Inflammation of the BRONCHIOLES.
An acute inflammatory disease of the lower RESPIRATORY TRACT, caused by paramyxoviruses, occurring primarily in infants and young children; the viruses most commonly implicated are PARAINFLUENZA VIRUS TYPE 3; RESPIRATORY SYNCYTIAL VIRUS, HUMAN; and METAPNEUMOVIRUS.
Inflammation of the BRONCHIOLES leading to an obstructive lung disease. Bronchioles are characterized by fibrous granulation tissue with bronchial exudates in the lumens. Clinical features include a nonproductive cough and DYSPNEA.
An interstitial lung disease of unknown etiology, occurring between 21-80 years of age. It is characterized by a dramatic onset of a "pneumonia-like" illness with cough, fever, malaise, fatigue, and weight loss. Pathological features include prominent interstitial inflammation without collagen fibrosis, diffuse fibroblastic foci, and no microscopic honeycomb change. There is excessive proliferation of granulation tissue within small airways and alveolar ducts.
The transference of either one or both of the lungs from one human or animal to another.
Pneumovirus infections caused by the RESPIRATORY SYNCYTIAL VIRUSES. Humans and cattle are most affected but infections in goats and sheep have been reported.
A racemic mixture of d-epinephrine and l-epinephrine.
A group of viruses in the PNEUMOVIRUS genus causing respiratory infections in various mammals. Humans and cattle are most affected but infections in goats and sheep have also been reported.
The type species of PNEUMOVIRUS and an important cause of lower respiratory disease in infants and young children. It frequently presents with bronchitis and bronchopneumonia and is further characterized by fever, cough, dyspnea, wheezing, and pallor.
Inflammation of the lung parenchyma that is associated with BRONCHITIS, usually involving lobular areas from TERMINAL BRONCHIOLES to the PULMONARY ALVEOLI. The affected areas become filled with exudate that forms consolidated patches.
Noises, normal and abnormal, heard on auscultation over any part of the RESPIRATORY TRACT.
Infections with viruses of the genus RESPIROVIRUS, family PARAMYXOVIRIDAE. Host cell infection occurs by adsorption, via HEMAGGLUTININ, to the cell surface.
Either of the pair of organs occupying the cavity of the thorax that effect the aeration of the blood.
Substances added to foods and medicine to improve the quality of taste.
A fibrillar collagen found widely distributed as a minor component in tissues that contain COLLAGEN TYPE I and COLLAGEN TYPE III. It is a heterotrimeric molecule composed of alpha1(V), alpha2(V) and alpha3(V) subunits. Several forms of collagen type V exist depending upon the composition of the subunits that form the trimer.
An infant during the first month after birth.
Disease having a short and relatively severe course.
Transplantation of tissue typical of one area to a different recipient site. The tissue may be autologous, heterologous, or homologous.
Agents that cause an increase in the expansion of a bronchus or bronchial tubes.
Measurement of the various processes involved in the act of respiration: inspiration, expiration, oxygen and carbon dioxide exchange, lung volume and compliance, etc.
The simultaneous, or near simultaneous, transference of heart and lungs from one human or animal to another.
A genus of the subfamily PNEUMOVIRINAE, containing two members: Turkey rhinotracheitis virus and a human Metapneumovirus. Virions lack HEMAGGLUTININ and NEURAMINIDASE.
Washing liquid obtained from irrigation of the lung, including the BRONCHI and the PULMONARY ALVEOLI. It is generally used to assess biochemical, inflammatory, or infection status of the lung.
Devices that cause a liquid or solid to be converted into an aerosol (spray) or a vapor. It is used in drug administration by inhalation, humidification of ambient air, and in certain analytical instruments.
The confinement of a patient in a hospital.
Inflammation involving the GLOTTIS or VOCAL CORDS and the subglottic larynx. Croup is characterized by a barking cough, HOARSENESS, and persistent inspiratory STRIDOR (a high-pitched breathing sound). It occurs chiefly in infants and children.
An immune response with both cellular and humoral components, directed against an allogeneic transplant, whose tissue antigens are not compatible with those of the recipient.
Inflammation of the lung parenchyma that is caused by a viral infection.
Inhaling liquid or solids, such as stomach contents, into the RESPIRATORY TRACT. When this causes severe lung damage, it is called ASPIRATION PNEUMONIA.
Inhalation of oxygen aimed at restoring toward normal any pathophysiologic alterations of gas exchange in the cardiopulmonary system, as by the use of a respirator, nasal catheter, tent, chamber, or mask. (From Dorland, 27th ed & Stedman, 25th ed)
Infections with viruses of the family PARAMYXOVIRIDAE. This includes MORBILLIVIRUS INFECTIONS; RESPIROVIRUS INFECTIONS; PNEUMOVIRUS INFECTIONS; HENIPAVIRUS INFECTIONS; AVULAVIRUS INFECTIONS; and RUBULAVIRUS INFECTIONS.
Inflammation of the large airways in the lung including any part of the BRONCHI, from the PRIMARY BRONCHI to the TERTIARY BRONCHI.
Helium. A noble gas with the atomic symbol He, atomic number 2, and atomic weight 4.003. It is a colorless, odorless, tasteless gas that is not combustible and does not support combustion. It was first detected in the sun and is now obtained from natural gas. Medically it is used as a diluent for other gases, being especially useful with oxygen in the treatment of certain cases of respiratory obstruction, and as a vehicle for general anesthetics. (Dorland, 27th ed)
Invasion of the host RESPIRATORY SYSTEM by microorganisms, usually leading to pathological processes or diseases.
The larger air passages of the lungs arising from the terminal bifurcation of the TRACHEA. They include the largest two primary bronchi which branch out into secondary bronchi, and tertiary bronchi which extend into BRONCHIOLES and PULMONARY ALVEOLI.
The cartilaginous and membranous tube descending from the larynx and branching into the right and left main bronchi.
Pathological processes involving any part of the LUNG.
The top portion of the pharynx situated posterior to the nose and superior to the SOFT PALATE. The nasopharynx is the posterior extension of the nasal cavities and has a respiratory function.
Hypertonic sodium chloride solution. A solution having an osmotic pressure greater than that of physiologic salt solution (0.9 g NaCl in 100 ml purified water).
The name of two islands of the West Indies, separated by a narrow channel. Their capital is Basse-Terre. They were discovered by Columbus in 1493, occupied by the French in 1635, held by the British at various times between 1759 and 1813, transferred to Sweden in 1813, and restored to France in 1816. Its status was changed from colony to a French overseas department in 1946. Columbus named it in honor of the monastery of Santa Maria de Guadalupe in Spain. (From Webster's New Geographical Dictionary, 1988, p470 & Room, Brewer's Dictionary of Names, 1992, p221)
Any hindrance to the passage of air into and out of the lungs.
The administration of drugs by the respiratory route. It includes insufflation into the respiratory tract.
Removal and pathologic examination of specimens in the form of small pieces of tissue from the living body.
The small airways branching off the TERTIARY BRONCHI. Terminal bronchioles lead into several orders of respiratory bronchioles which in turn lead into alveolar ducts and then into PULMONARY ALVEOLI.
A diverse group of lung diseases that affect the lung parenchyma. They are characterized by an initial inflammation of PULMONARY ALVEOLI that extends to the interstitium and beyond leading to diffuse PULMONARY FIBROSIS. Interstitial lung diseases are classified by their etiology (known or unknown causes), and radiological-pathological features.
A short-acting beta-2 adrenergic agonist that is primarily used as a bronchodilator agent to treat ASTHMA. Albuterol is prepared as a racemic mixture of R(-) and S(+) stereoisomers. The stereospecific preparation of R(-) isomer of albuterol is referred to as levalbuterol.
Washing out of the lungs with saline or mucolytic agents for diagnostic or therapeutic purposes. It is very useful in the diagnosis of diffuse pulmonary infiltrates in immunosuppressed patients.
The number of times an organism breathes with the lungs (RESPIRATION) per unit time, usually per minute.
Fluid obtained by THERAPEUTIC IRRIGATION or washout of the nasal cavity and NASAL MUCOSA. The resulting fluid is used in cytologic and immunologic assays of the nasal mucosa such as with the NASAL PROVOCATION TEST in the diagnosis of nasal hypersensitivity.
Presence of air in the mediastinal tissues due to leakage of air from the tracheobronchial tree, usually as a result of trauma.
Levels within a diagnostic group which are established by various measurement criteria applied to the seriousness of a patient's disorder.
A semi-synthetic macrolide antibiotic structurally related to ERYTHROMYCIN. It has been used in the treatment of Mycobacterium avium intracellulare infections, toxoplasmosis, and cryptosporidiosis.
Virus diseases caused by the ADENOVIRIDAE.
A form of bronchial disorder with three distinct components: airway hyper-responsiveness (RESPIRATORY HYPERSENSITIVITY), airway INFLAMMATION, and intermittent AIRWAY OBSTRUCTION. It is characterized by spasmodic contraction of airway smooth muscle, WHEEZING, and dyspnea (DYSPNEA, PAROXYSMAL).
Transplantation between individuals of the same species. Usually refers to genetically disparate individuals in contradistinction to isogeneic transplantation for genetically identical individuals.
Care of patients with deficiencies and abnormalities associated with the cardiopulmonary system. It includes the therapeutic use of medical gases and their administrative apparatus, environmental control systems, humidification, aerosols, ventilatory support, bronchopulmonary drainage and exercise, respiratory rehabilitation, assistance with cardiopulmonary resuscitation, and maintenance of natural, artificial, and mechanical airways.
Hospital units providing continuous surveillance and care to acutely ill infants and children. Neonates are excluded since INTENSIVE CARE UNITS, NEONATAL is available.
Infection of the lung often accompanied by inflammation.
Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease.
Special hospitals which provide care for ill children.
The productive enterprises concerned with food processing.
A glucocorticoid with the general properties of the corticosteroids. It is the drug of choice for all conditions in which routine systemic corticosteroid therapy is indicated, except adrenal deficiency states.
Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons.
X-ray visualization of the chest and organs of the thoracic cavity. It is not restricted to visualization of the lungs.
The period of confinement of a patient to a hospital or other health facility.
A species of the genus PNEUMOVIRUS causing pneumonia in mice.
Child hospitalized for short term care.
A group of CORTICOSTEROIDS that affect carbohydrate metabolism (GLUCONEOGENESIS, liver glycogen deposition, elevation of BLOOD SUGAR), inhibit ADRENOCORTICOTROPIC HORMONE secretion, and possess pronounced anti-inflammatory activity. They also play a role in fat and protein metabolism, maintenance of arterial blood pressure, alteration of the connective tissue response to injury, reduction in the number of circulating lymphocytes, and functioning of the central nervous system.
Any method of artificial breathing that employs mechanical or non-mechanical means to force the air into and out of the lungs. Artificial respiration or ventilation is used in individuals who have stopped breathing or have RESPIRATORY INSUFFICIENCY to increase their intake of oxygen (O2) and excretion of carbon dioxide (CO2).
A process in which normal lung tissues are progressively replaced by FIBROBLASTS and COLLAGEN causing an irreversible loss of the ability to transfer oxygen into the bloodstream via PULMONARY ALVEOLI. Patients show progressive DYSPNEA finally resulting in death.
One of several basic proteins released from EOSINOPHIL cytoplasmic granules. Eosinophil cationic protein is a 21-kDa cytotoxic peptide with a pI of 10.9. Although eosinophil cationic protein is considered a member of the RNAse A superfamily of proteins, it has only limited RNAse activity.
Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group.
Measure of the maximum amount of air that can be expelled in a given number of seconds during a FORCED VITAL CAPACITY determination . It is usually given as FEV followed by a subscript indicating the number of seconds over which the measurement is made, although it is sometimes given as a percentage of forced vital capacity.

Randomised controlled trial of budesonide for the prevention of post-bronchiolitis wheezing. (1/187)

BACKGROUND: Previous studies suggest that recurrent episodes of coughing and wheezing occur in up to 75% of infants after acute viral bronchiolitis. AIM: To assess the efficacy of budesonide given by means of a metered dose inhaler, spacer, and face mask in reducing the incidence of coughing and wheezing episodes up to 12 months after acute viral bronchiolitis. METHODS: Children under the age of 12 months admitted to hospital with acute viral bronchiolitis were randomised to receive either budesonide or placebo (200 microg or one puff twice daily) for the next eight weeks. Parents kept a diary card record of all episodes of coughing and wheezing over the next 12 months. RESULTS: Full follow up data were collected for 49 infants. There were no significant differences between the two study groups for the number of infants with symptom episodes up to six months after hospital discharge. At 12 months, 21 infants in the budesonide group had symptom episodes compared with 12 of 24 in the placebo group. The median number of symptom episodes was 2 (range, 0-13) in those who received budesonide and 1 (range, 0-11) in those who received placebo. Because there is no pharmacological explanation for these results, they are likely to be caused by a type 1 error, possibly exacerbated by there being more boys in the treatment group. CONCLUSION: Routine administration of budesonide by means of a metered dose inhaler, spacer, and face mask system immediately after acute viral bronchiolitis cannot be recommended.  (+info)

Association of fever and severe clinical course in bronchiolitis. (2/187)

Little attention has been given to the relation between fever and the severity of bronchiolitis. Therefore, the relation between fever and the clinical course of 90 infants (59 boys, 31 girls) hospitalised during one season with bronchiolitis was studied prospectively. Fever (defined as a single recording > 38.0 degrees C or two successive recording > 37.8 degrees C) was present in 28 infants. These infants were older (mean age, 5.3 v 4.0 months), had a longer mean hospital stay (4.2 v 2.7 days), and a more severe clinical course (71.0% v 29.0%) than those infants without fever. Radiological abnormalities (collapse/consolidation) were found in 60. 7% of the febrile group compared with 14.8% of the afebrile infants. These results suggest that monitoring of body temperature is important in bronchiolitis and that fever is likely to be associated with a more severe clinical course and radiological abnormalities.  (+info)

IL-8 and neutrophil elastase levels in the respiratory tract of infants with RSV bronchiolitis. (3/187)

The aim of this study was to determine whether interleukin (IL)-8 is released within the upper respiratory tract of infants during respiratory syncytial virus (RSV) bronchiolitis and whether the large number of polymorphonuclear neutrophils (PMNs) present in the respiratory tract of these infants are contributing to the inflammation through release of inflammatory mediators. Twenty-seven infants with acute bronchiolitis were recruited during one winter epidemic and 20 infant control subjects were recruited from a cohort participating in a community-based vaccine study. Samples of airways fluid were obtained using nasal lavage. The lavage fluid was spun to remove the cells, and the supernatant was stored at -70 degrees C. The supernatants were subsequently assayed for the presence of IL-8, total human neutrophil elastase (HNE) and neutrophil elastase activity. In the children with bronchiolitis compared with control infants, elevated levels of IL-8 (median (range) 1.53 (0-153) versus 0 (0-5.6) ng x mL(-1)) HNE (136 (32-694) versus 14 (0-516) ng x mL(-1)) and elastase activity (4 (1-220) versus 1 (0-339) mU x mL(-1)) were found. These results indicate that interleukin-8 is released in the upper respiratory tract in response to respiratory syncytial virus infection and suggest that polymorphonuclear neutrophil products are playing an important role in the inflammatory response to respiratory syncytial virus infection in infants with acute bronchiolitis. This contrasts with the predominantly eosinophilic response evident in atopic upper and lower respiratory tract disease.  (+info)

Peripheral blood cytokine responses and disease severity in respiratory syncytial virus bronchiolitis. (4/187)

The role of cellular immunity in disease severity in respiratory syncytial virus (RSV) bronchiolitis is largely unknown. This study investigated the association between disease severity and systemic cytokine responses in hospitalized ventilated and nonventilated RSV bronchiolitis patients. In whole blood cultures stimulated with phytohaemagglutinin (PHA), lymphoproliferative responses and interferon (IFN)-gamma and interleukin (IL)-4 production during acute illness were measured. In addition, plasma cytokines were measured. Measurements were repeated in the convalescent phase, 3-4 weeks after admission. Fifty patients were included. The median age in ventilaled patients was significantly lower than in nonventilated patients (1 versus 4 months, p<0.05). In comparison with nonventilated patients, the ventilated patients had significantly lower lymphoproliferative responses and a lower production of IFN-gamma and IL-4. In fact, IFN-gamma and IL-4 production in ventilated patients was almost completely undetectable. Plasma IL-8 levels in ventilated patients were significantly higher than in nonventilated patients. In the convalescent phase, lymphoproliferative and cytokine responses as well as plasma IL-8 levels were normal in both patient groups. Since RSV bronchiolitis is associated with the subsequent development of asthma, the possible skewing of the T-helper (Th1/Th2) cytokine balance was investigated. This was found neither in the acute nor in the convalescent phase. In conclusion, the data indicate that depressed lymphocyte function and elevated plasma interleukin-8 levels are markers of severe disease. It is suggested that age and maturation related immune mechanisms could explain the occurrence of severe respiratory syncytial virus bronchiolitis requiring mechanical ventilation in young infants.  (+info)

Effects of respiratory syncytial virus persistence on airway responsiveness and inflammation in guinea-pigs. (5/187)

Recurrent wheezing and asthma often develop after acute respiratory syncytial virus (RSV) bronchiolitis, but the mechanisms of these sequelae are poorly understood. Using a guinea-pig model of human RSV lung infection, the effects of long-term viral persistence on three hallmarks of asthma: nonspecific airway responsiveness, airway inflammation and airway remodelling were examined. Guinea-pigs were studied 100 days after intranasal instillation of either human RSV or uninfected vehicle, using: 1) acetylcholine challenge to test for airway hyperresponsiveness (AHR); 2) lung histology to quantify the numbers of airway eosinophils and metachromatic cells (mast cells/basophils); 3) airway morphometry of the areas of the airway subepithelial connective tissue, smooth muscle and adventitia, to test for airway remodelling; and 4) immunohistochemistry to identify lung cells containing RSV antigens. The RSV-inoculated group had significantly elevated AHR and airway eosinophils compared to uninfected control animals (p<0.05). There were no significant differences between the two groups in terms of numbers of airway metachromatic cells, or the areas of subepithelial connective tissue, smooth muscle or adventitia. Viral proteins were identified by immunohistochemistry within several types of lung cells. In conclusion, long-term persistence of respiratory syncytial virus in the guinea-pig lung is associated with airway hyperresponsiveness and airway eosinophilia, and these changes may be pertinent to the pathogenesis of postbronchiolitis wheezing and asthma in children.  (+info)

Randomised placebo controlled trial of nebulised corticosteroids in acute respiratory syncytial viral bronchiolitis. (6/187)

OBJECTIVE: To evaluate short and long term effects of giving nebulised budesonide early in respiratory syncytial viral (RSV) bronchiolitis. DESIGN: A multicentre randomised double blind placebo controlled trial. SUBJECTS: Infants admitted to hospital with their first episode of RSV positive bronchiolitis. INTERVENTION: Randomisation to receive either 1 mg of nebulised budesonide (Bud) or placebo (Pla) twice daily from admission until 2 weeks after discharge. Follow up was for 12 months. MAIN OUTCOME MEASURES: Duration of hospital admission, time taken to become symptom free, re-admission rates, general practitioner consultation rates, and use of anti-wheeze medication during follow up. RESULTS: 161 infants were studied. Both arms were similar with respect to initial clinical severity, age, sex, socioeconomic class, and tobacco exposure. Median time from first nebulisation to discharge: Bud and Pla, 2 days. Median number of days for 50% of infants to be symptom free for 48 hours: Bud, 10 days; Pla, 12 days. Respiratory re-admission rates in the 12 month follow up: Bud, 16%; Pla, 18%; median difference (95% confidence interval (CI)), -2 (-14 to 10). Median respiratory related general practitioner attendances: Bud, 4.0; Pla, 4.5; median difference (95% CI), -1 (-2 to 0). Percentage of infants receiving at least one prescription for anti-wheeze medication during follow up, corticosteroids: Bud, 50%; Pla, 60%; difference (95% CI), -10 (-26 to 6); bronchodilators: Bud, 60%; Pla, 67%; difference (95% CI), -7 (-22 to 8). CONCLUSIONS: There are no short or long term clinical benefits from the administration of nebulised corticosteroids in the acute phase of RSV bronchiolitis.  (+info)

No objective benefit from steroids inhaled via a spacer in infants recovering from bronchiolitis. (7/187)

A double-blind randomized placebo-controlled trial was conducted to investigate the efficacy of 3 months' inhaled steroids delivered via a spacer device with face mask attachment to infants recovering from bronchiolitis. Forty-eight previously healthy infants recovering from their first documented episode of acute bronchiolitis were randomized to receive 150 microg fluticasone propionate (FP) b.i.d. or placebo delivered via the Babyhaler spacer. Longitudinal assessments were performed on seven occasions over 1 yr based on symptom diaries and health records, clinical examinations, overnight cough recordings and oxygen saturation readings. Lung function was measured 6 months after hospital discharge. Forty-three infants completed the trial (FP 21, placebo 22). There were no significant differences in the three objective end-points measured, recorded night cough, oxygen saturation and lung function test results. Symptom scores were low in both the FP and placebo groups with the absence of (0) or mild (1) symptoms > or =90% of the trial days. No statistical differences in symptom frequency, use of rescue respiratory medications or hospital admissions between treatment groups were found throughout the trial or follow-up periods. In conclusion, the use of inhaled fluticasone propionate in infants recovering from acute bronchiolitis cannot be recommended.  (+info)

The diagnostic and therapeutic approach to acute bronchiolitis in hospitalized children in Israel: a nationwide survey. (8/187)

BACKGROUND: Bronchiolitis caused by respiratory syncytial virus is one of the major causes of hospitalization in young children, especially during the winter. Recent evidence has shown that pharmacological treatment, especially nebulized epinephrine, in addition to the traditional supportive treatment, can alleviate symptoms and shorten hospitalization, but this approach is not yet widespread. OBJECTIVES: To determine whether the management of bronchiolitis in Israel is moving toward a stronger emphasis on pharmacological care. METHODS: A questionnaire on the diagnosis and management of bronchiolitis was completed by 27 heads of pediatric departments throughout Israel. The questionnaire dealt with the frequency of usage of diagnostic and selected therapeutic procedures. RESULTS: Chest X-ray and arterial blood gases are commonly used as a diagnostic aid in more than 75% of the departments, and antibiotics are prescribed routinely in 24%. Corticosteroids are still in use: 48% use systemic steroids, and 19% nebulized steroids. Nebulized epinephrine is used in 22% of the departments, while nebulized beta-agonists are used frequently in two-thirds of the departments. CONCLUSIONS: Despite convincing data that beta-agonists and steroids have no positive effect on the outcome of bronchiolitis on the one hand, and that nebulized epinephrine has advantages in children on the other, we found significant use of the former two agents and sparse use of the latter. Greater awareness is needed among pediatricians, and measures should be introduced to incorporate the new recommendations, with further study of the effect of the old and new drugs on bronchiolitis.  (+info)

Bronchiolitis is a common respiratory infection in infants and young children, typically caused by a viral infection. It is characterized by inflammation and congestion of the bronchioles (the smallest airways in the lungs), which can lead to difficulty breathing and wheezing.

The most common virus that causes bronchiolitis is respiratory syncytial virus (RSV), but other viruses such as rhinovirus, influenza, and parainfluenza can also cause the condition. Symptoms of bronchiolitis may include cough, wheezing, rapid breathing, difficulty feeding, and fatigue.

In severe cases, bronchiolitis can lead to respiratory distress and require hospitalization. Treatment typically involves supportive care, such as providing fluids and oxygen therapy, and in some cases, medications to help open the airways may be used. Prevention measures include good hand hygiene and avoiding close contact with individuals who are sick.

Viral bronchiolitis is a common respiratory infection in infants and young children, typically caused by a viral pathogen such as the respiratory syncytial virus (RSV). The infection leads to inflammation and congestion of the small airways (bronchioles) in the lungs, resulting in symptoms like wheezing, cough, difficulty breathing, and rapid breathing.

The infection usually spreads through respiratory droplets when an infected person coughs or sneezes. The virus can also survive on surfaces for several hours, making it easy to contract the infection by touching contaminated objects and then touching the face.

Most cases of viral bronchiolitis are mild and resolve within 1-2 weeks with supportive care, including increased fluid intake, humidified air, and fever reduction. However, in severe cases or in high-risk infants (such as those born prematurely or with underlying heart or lung conditions), hospitalization may be necessary to manage complications like dehydration, respiratory distress, or oxygen deprivation.

Preventive measures include good hand hygiene, avoiding close contact with sick individuals, and ensuring that infants and young children receive appropriate vaccinations and immunizations as recommended by their healthcare provider.

Bronchiolitis obliterans is a medical condition characterized by the inflammation and scarring (fibrosis) of the bronchioles, which are the smallest airways in the lungs. This results in the narrowing or complete obstruction of the airways, leading to difficulty breathing and reduced lung function.

The condition is often caused by a respiratory infection, such as adenovirus or mycoplasma pneumonia, but it can also be associated with exposure to certain chemicals, drugs, or radiation therapy. In some cases, the cause may be unknown.

Symptoms of bronchiolitis obliterans include cough, shortness of breath, wheezing, and crackles heard on lung examination. Diagnosis typically involves a combination of medical history, physical exam, imaging studies (such as chest X-ray or CT scan), and pulmonary function tests. In some cases, a biopsy may be necessary to confirm the diagnosis.

Treatment for bronchiolitis obliterans is focused on managing symptoms and preventing further lung damage. This may include bronchodilators to help open up the airways, corticosteroids to reduce inflammation, and oxygen therapy to help with breathing. In severe cases, a lung transplant may be necessary.

Cryptogenic organizing pneumonia (COP) is a type of lung disorder that is characterized by the presence of inflammation and scarring in the lungs. The term "cryptogenic" means that the cause of the condition is unknown or unclear.

Organizing pneumonia is a specific pattern of injury to the lungs that can be caused by various factors, including infections, medications, and autoimmune disorders. However, in cases of COP, there is no clear underlying cause that can be identified.

The main symptoms of COP include cough, shortness of breath, fever, and fatigue. The condition can also cause crackles or wheezing sounds when listening to the lungs with a stethoscope. Diagnosis of COP typically involves a combination of imaging studies, such as chest X-rays or CT scans, and lung biopsy.

Treatment for COP usually involves the use of corticosteroids, which can help to reduce inflammation and improve symptoms. In some cases, other medications may also be used to manage the condition. The prognosis for people with COP is generally good, with most individuals responding well to treatment and experiencing improvement in their symptoms over time. However, recurrence of the condition is possible, and long-term monitoring may be necessary.

Lung transplantation is a surgical procedure where one or both diseased lungs are removed and replaced with healthy lungs from a deceased donor. It is typically considered as a treatment option for patients with end-stage lung diseases, such as chronic obstructive pulmonary disease (COPD), cystic fibrosis, idiopathic pulmonary fibrosis, and alpha-1 antitrypsin deficiency, who have exhausted all other medical treatments and continue to suffer from severe respiratory failure.

The procedure involves several steps, including evaluating the patient's eligibility for transplantation, matching the donor's lung size and blood type with the recipient, and performing the surgery under general anesthesia. After the surgery, patients require close monitoring and lifelong immunosuppressive therapy to prevent rejection of the new lungs.

Lung transplantation can significantly improve the quality of life and survival rates for some patients with end-stage lung disease, but it is not without risks, including infection, bleeding, and rejection. Therefore, careful consideration and thorough evaluation are necessary before pursuing this treatment option.

Respiratory Syncytial Virus (RSV) infections refer to the clinical illnesses caused by the Respiratory Syncytial Virus. RSV is a highly contagious virus that spreads through respiratory droplets, contact with infected surfaces, or direct contact with infected people. It primarily infects the respiratory tract, causing inflammation and damage to the cells lining the airways.

RSV infections can lead to a range of respiratory illnesses, from mild, cold-like symptoms to more severe conditions such as bronchiolitis (inflammation of the small airways in the lungs) and pneumonia (infection of the lung tissue). The severity of the infection tends to depend on factors like age, overall health status, and presence of underlying medical conditions.

In infants and young children, RSV is a leading cause of bronchiolitis and pneumonia, often resulting in hospitalization. In older adults, people with weakened immune systems, and those with chronic heart or lung conditions, RSV infections can also be severe and potentially life-threatening.

Symptoms of RSV infection may include runny nose, cough, sneezing, fever, wheezing, and difficulty breathing. Treatment typically focuses on managing symptoms and providing supportive care, although hospitalization and more aggressive interventions may be necessary in severe cases or for high-risk individuals. Preventive measures such as hand hygiene, wearing masks, and avoiding close contact with infected individuals can help reduce the spread of RSV.

Racepinephrine is not typically referred to as a "race" in the medical context, but rather as a form of epinephrine (also known as adrenaline). Racepinephrine is the optical isomer of epinephrine, meaning that it is a molecule with the same chemical formula but a different arrangement of atoms in space.

Racepinephrine is a naturally occurring catecholamine, a type of neurotransmitter and hormone that is produced by the adrenal glands and is involved in the "fight or flight" response. It is also used as a medication, typically in the form of the racemic mixture of epinephrine, which contains equal amounts of both isomers (R- and S-epinephrine).

Racepinephrine has similar effects to epinephrine, including increasing heart rate and blood pressure, improving respiratory function, and enhancing mental alertness. It is used in the treatment of anaphylaxis, cardiac arrest, and other emergency situations where rapid restoration of cardiovascular function is necessary.

It's important to note that while racepinephrine and epinephrine have similar effects, they are not identical and may have different therapeutic uses and potential side effects.

Respiratory Syncytial Viruses (RSV) are a common type of virus that cause respiratory infections, particularly in young children and older adults. They are responsible for inflammation and narrowing of the small airways in the lungs, leading to breathing difficulties and other symptoms associated with bronchiolitis and pneumonia.

The term "syncytial" refers to the ability of these viruses to cause infected cells to merge and form large multinucleated cells called syncytia, which is a characteristic feature of RSV infections. The virus spreads through respiratory droplets when an infected person coughs or sneezes, and it can also survive on surfaces for several hours, making transmission easy.

RSV infections are most common during the winter months and can cause mild to severe symptoms depending on factors such as age, overall health, and underlying medical conditions. While RSV is typically associated with respiratory illnesses in children, it can also cause significant disease in older adults and immunocompromised individuals. Currently, there is no vaccine available for RSV, but antiviral medications and supportive care are used to manage severe infections.

Respiratory Syncytial Virus (RSV) is a highly contagious virus that causes infections in the respiratory system. In humans, it primarily affects the nose, throat, lungs, and bronchioles (the airways leading to the lungs). It is a major cause of lower respiratory tract infections and bronchiolitis (inflammation of the small airways in the lung) in young children, but can also infect older children and adults.

Human Respiratory Syncytial Virus (hRSV) belongs to the family Pneumoviridae and is an enveloped, single-stranded, negative-sense RNA virus. The viral envelope contains two glycoproteins: the G protein, which facilitates attachment to host cells, and the F protein, which mediates fusion of the viral and host cell membranes.

Infection with hRSV typically occurs through direct contact with respiratory droplets from an infected person or contaminated surfaces. The incubation period ranges from 2 to 8 days, after which symptoms such as runny nose, cough, sneezing, fever, and wheezing may appear. In severe cases, particularly in infants, young children, older adults, and individuals with weakened immune systems, hRSV can cause pneumonia or bronchiolitis, leading to hospitalization and, in rare cases, death.

Currently, there is no approved vaccine for hRSV; however, passive immunization with palivizumab, a monoclonal antibody, is available for high-risk infants to prevent severe lower respiratory tract disease caused by hRSV. Supportive care and prevention of complications are the mainstays of treatment for hRSV infections.

Bronchopneumonia is a type of pneumonia that involves inflammation and infection of the bronchioles (small airways in the lungs) and alveoli (tiny air sacs in the lungs). It can be caused by various bacteria, viruses, or fungi and often occurs as a complication of a respiratory tract infection.

The symptoms of bronchopneumonia may include cough, chest pain, fever, chills, shortness of breath, and fatigue. In severe cases, it can lead to complications such as respiratory failure or sepsis. Treatment typically involves antibiotics for bacterial infections, antiviral medications for viral infections, and supportive care such as oxygen therapy and hydration.

Respiratory sounds are the noises produced by the airflow through the respiratory tract during breathing. These sounds can provide valuable information about the health and function of the lungs and airways. They are typically categorized into two main types: normal breath sounds and adventitious (or abnormal) breath sounds.

Normal breath sounds include:

1. Vesicular breath sounds: These are soft, low-pitched sounds heard over most of the lung fields during quiet breathing. They are produced by the movement of air through the alveoli and smaller bronchioles.
2. Bronchovesicular breath sounds: These are medium-pitched, hollow sounds heard over the mainstem bronchi and near the upper sternal border during both inspiration and expiration. They are a combination of vesicular and bronchial breath sounds.

Abnormal or adventitious breath sounds include:

1. Crackles (or rales): These are discontinuous, non-musical sounds that resemble the crackling of paper or bubbling in a fluid-filled container. They can be heard during inspiration and are caused by the sudden opening of collapsed airways or the movement of fluid within the airways.
2. Wheezes: These are continuous, musical sounds resembling a whistle. They are produced by the narrowing or obstruction of the airways, causing turbulent airflow.
3. Rhonchi: These are low-pitched, rumbling, continuous sounds that can be heard during both inspiration and expiration. They are caused by the vibration of secretions or fluids in the larger airways.
4. Stridor: This is a high-pitched, inspiratory sound that resembles a harsh crowing or barking noise. It is usually indicative of upper airway narrowing or obstruction.

The character, location, and duration of respiratory sounds can help healthcare professionals diagnose various respiratory conditions, such as pneumonia, chronic obstructive pulmonary disease (COPD), asthma, and bronchitis.

Respiroviruses are a genus of viruses in the family *Paramyxoviridae* that includes several important human pathogens, such as parainfluenza virus (PIV) types 1, 2, and 3, and human respiratory syncytial virus (HRSV). These viruses are primarily transmitted through respiratory droplets and direct contact with infected individuals.

Respirovirus infections mainly affect the respiratory tract and can cause a range of symptoms, from mild upper respiratory tract illness to severe lower respiratory tract infections. The severity of the disease depends on various factors, including the age and overall health status of the infected individual.

Parainfluenza viruses are a common cause of acute respiratory infections in children, particularly in those under five years old. They can lead to croup, bronchitis, pneumonia, and other respiratory tract complications. In adults, PIV infections are usually less severe but can still cause upper respiratory symptoms, such as the common cold.

Human respiratory syncytial virus is another important respirovirus that primarily affects young children, causing bronchiolitis and pneumonia. Reinfection with HRSV can occur throughout life, although subsequent infections are typically less severe than the initial infection. In older adults and individuals with compromised immune systems, HRSV infections can lead to serious complications, including pneumonia and exacerbation of chronic lung diseases.

Prevention strategies for respirovirus infections include good personal hygiene practices, such as frequent handwashing and covering the mouth and nose when coughing or sneezing. Vaccines are not available for most respiroviruses; however, research is ongoing to develop effective vaccines against these viruses, particularly HRSV.

A lung is a pair of spongy, elastic organs in the chest that work together to enable breathing. They are responsible for taking in oxygen and expelling carbon dioxide through the process of respiration. The left lung has two lobes, while the right lung has three lobes. The lungs are protected by the ribcage and are covered by a double-layered membrane called the pleura. The trachea divides into two bronchi, which further divide into smaller bronchioles, leading to millions of tiny air sacs called alveoli, where the exchange of gases occurs.

Flavoring agents are substances added to foods, beverages, pharmaceuticals, and sometimes even medical devices to enhance or modify their taste and aroma. They can be natural, derived from plants or animals, or synthetic, created in a laboratory. Flavoring agents do not necessarily provide any nutritional value and are typically used in small quantities.

In a medical context, flavoring agents may be added to medications to improve patient compliance, especially for children or individuals who have difficulty swallowing pills. These agents can help mask the unpleasant taste of certain medicines, making them more palatable and easier to consume. However, it is essential to ensure that the use of flavoring agents does not interfere with the medication's effectiveness or safety.

Collagen Type V is a specific type of collagen, which is a protein that provides structure and strength to connective tissues in the body. Collagen Type V is found in various tissues, including the cornea, blood vessels, and hair. It plays a crucial role in the formation of collagen fibers and helps regulate the diameter of collagen fibrils. Mutations in the genes that encode for Collagen Type V can lead to various connective tissue disorders, such as Ehlers-Danlos syndrome and osteogenesis imperfecta.

A newborn infant is a baby who is within the first 28 days of life. This period is also referred to as the neonatal period. Newborns require specialized care and attention due to their immature bodily systems and increased vulnerability to various health issues. They are closely monitored for signs of well-being, growth, and development during this critical time.

An acute disease is a medical condition that has a rapid onset, develops quickly, and tends to be short in duration. Acute diseases can range from minor illnesses such as a common cold or flu, to more severe conditions such as pneumonia, meningitis, or a heart attack. These types of diseases often have clear symptoms that are easy to identify, and they may require immediate medical attention or treatment.

Acute diseases are typically caused by an external agent or factor, such as a bacterial or viral infection, a toxin, or an injury. They can also be the result of a sudden worsening of an existing chronic condition. In general, acute diseases are distinct from chronic diseases, which are long-term medical conditions that develop slowly over time and may require ongoing management and treatment.

Examples of acute diseases include:

* Acute bronchitis: a sudden inflammation of the airways in the lungs, often caused by a viral infection.
* Appendicitis: an inflammation of the appendix that can cause severe pain and requires surgical removal.
* Gastroenteritis: an inflammation of the stomach and intestines, often caused by a viral or bacterial infection.
* Migraine headaches: intense headaches that can last for hours or days, and are often accompanied by nausea, vomiting, and sensitivity to light and sound.
* Myocardial infarction (heart attack): a sudden blockage of blood flow to the heart muscle, often caused by a buildup of plaque in the coronary arteries.
* Pneumonia: an infection of the lungs that can cause coughing, chest pain, and difficulty breathing.
* Sinusitis: an inflammation of the sinuses, often caused by a viral or bacterial infection.

It's important to note that while some acute diseases may resolve on their own with rest and supportive care, others may require medical intervention or treatment to prevent complications and promote recovery. If you are experiencing symptoms of an acute disease, it is always best to seek medical attention to ensure proper diagnosis and treatment.

Heterotopic transplantation is a type of organ or tissue transplant where the graft is placed in a different location from where it normally resides while still maintaining its original site. This is often done to supplement the function of the existing organ rather than replacing it. A common example of heterotopic transplantation is a heart transplant, where the donor's heart is placed in a new location in the recipient's body, while the recipient's own heart remains in place but is typically nonfunctional. This allows for the possibility of returning the function of the recipient's heart if the transplanted organ fails.

In heterotopic kidney transplantation, the donor kidney is placed in a different location, usually in the lower abdomen, while the recipient's own kidneys are left in place. This approach can be beneficial for recipients with poor renal function or other medical conditions that make traditional kidney transplantation too risky.

Heterotopic transplantation is also used in liver transplantation, where a portion of the donor liver is placed in a different location, typically in the recipient's abdomen, while the recipient's own liver remains in place. This approach can be useful for recipients with acute liver failure or other conditions that make traditional liver transplantation too risky.

One advantage of heterotopic transplantation is that it allows for the possibility of returning the function of the recipient's organ if the transplanted organ fails, as well as reducing the risk of rejection and improving overall outcomes for the recipient. However, this approach also has some disadvantages, such as increased complexity of the surgical procedure, potential for complications related to the placement of the graft, and the need for ongoing immunosuppression therapy to prevent rejection.

Bronchodilators are medications that relax and widen the airways (bronchioles) in the lungs, making it easier to breathe. They work by relaxing the smooth muscle around the airways, which allows them to dilate or open up. This results in improved airflow and reduced symptoms of bronchoconstriction, such as wheezing, coughing, and shortness of breath.

Bronchodilators can be classified into two main types: short-acting and long-acting. Short-acting bronchodilators are used for quick relief of symptoms and last for 4 to 6 hours, while long-acting bronchodilators are used for maintenance therapy and provide symptom relief for 12 hours or more.

Examples of bronchodilator agents include:

* Short-acting beta-agonists (SABAs) such as albuterol, levalbuterol, and pirbuterol
* Long-acting beta-agonists (LABAs) such as salmeterol, formoterol, and indacaterol
* Anticholinergics such as ipratropium, tiotropium, and aclidinium
* Combination bronchodilators that contain both a LABA and an anticholinergic, such as umeclidinium/vilanterol and glycopyrrolate/formoterol.

Respiratory Function Tests (RFTs) are a group of medical tests that measure how well your lungs take in and exhale air, and how well they transfer oxygen and carbon dioxide into and out of your blood. They can help diagnose certain lung disorders, measure the severity of lung disease, and monitor response to treatment.

RFTs include several types of tests, such as:

1. Spirometry: This test measures how much air you can exhale and how quickly you can do it. It's often used to diagnose and monitor conditions like asthma, chronic obstructive pulmonary disease (COPD), and other lung diseases.
2. Lung volume testing: This test measures the total amount of air in your lungs. It can help diagnose restrictive lung diseases, such as pulmonary fibrosis or sarcoidosis.
3. Diffusion capacity testing: This test measures how well oxygen moves from your lungs into your bloodstream. It's often used to diagnose and monitor conditions like pulmonary fibrosis, interstitial lung disease, and other lung diseases that affect the ability of the lungs to transfer oxygen to the blood.
4. Bronchoprovocation testing: This test involves inhaling a substance that can cause your airways to narrow, such as methacholine or histamine. It's often used to diagnose and monitor asthma.
5. Exercise stress testing: This test measures how well your lungs and heart work together during exercise. It's often used to diagnose lung or heart disease.

Overall, Respiratory Function Tests are an important tool for diagnosing and managing a wide range of lung conditions.

Heart-lung transplantation is a surgical procedure where both the heart and lungs of a patient are replaced with those from a deceased donor. This complex and highly specialized surgery is typically considered as a last resort for patients suffering from end-stage lung or heart-lung diseases, such as cystic fibrosis, pulmonary fibrosis, chronic obstructive pulmonary disease (COPD), or certain forms of congenital heart disease, who have exhausted all other treatment options and face imminent death.

The procedure involves removing the patient's diseased heart and lungs en bloc, followed by implanting the donor's heart and lungs in their place. The surgery requires a skilled multidisciplinary team of cardiothoracic surgeons, anesthesiologists, perfusionists, transplant coordinators, and intensive care specialists.

Following the transplantation, patients require lifelong immunosuppressive therapy to prevent rejection of the transplanted organs. Despite the significant risks associated with this procedure, including infection, bleeding, and rejection, heart-lung transplantation can significantly improve both survival and quality of life for carefully selected patients with advanced heart-lung disease.

Metapneumovirus is a type of virus that can cause respiratory infections in humans and animals. The human metapneumovirus (HMPV) is a leading cause of acute respiratory infection (ARI), particularly in young children, the elderly, and people with weakened immune systems. It is associated with a wide range of clinical manifestations, ranging from mild upper respiratory symptoms to severe bronchiolitis and pneumonia.

HMPV is an enveloped, single-stranded RNA virus that belongs to the Pneumoviridae family, subfamily Pneumovirinae, and genus Metapneumovirus. It was first identified in 2001, although it is believed to have been circulating in humans for at least 50 years before its discovery. HMPV is transmitted through respiratory droplets and direct contact with infected individuals or contaminated surfaces.

The incubation period of HMPV ranges from 3 to 6 days, after which symptoms such as cough, fever, nasal congestion, sore throat, and difficulty breathing may appear. In severe cases, HMPV can lead to bronchitis, bronchiolitis, or pneumonia, requiring hospitalization, especially in high-risk populations. Currently, there is no specific antiviral treatment for HMPV infections, and management typically involves supportive care, such as oxygen therapy, hydration, and respiratory support if necessary. Prevention measures include good hand hygiene, wearing masks, and avoiding close contact with infected individuals.

Bronchoalveolar lavage (BAL) fluid is a type of clinical specimen obtained through a procedure called bronchoalveolar lavage. This procedure involves inserting a bronchoscope into the lungs and instilling a small amount of saline solution into a specific area of the lung, then gently aspirating the fluid back out. The fluid that is recovered is called bronchoalveolar lavage fluid.

BAL fluid contains cells and other substances that are present in the lower respiratory tract, including the alveoli (the tiny air sacs where gas exchange occurs). By analyzing BAL fluid, doctors can diagnose various lung conditions, such as pneumonia, interstitial lung disease, and lung cancer. They can also monitor the effectiveness of treatments for these conditions by comparing the composition of BAL fluid before and after treatment.

BAL fluid is typically analyzed for its cellular content, including the number and type of white blood cells present, as well as for the presence of bacteria, viruses, or other microorganisms. The fluid may also be tested for various proteins, enzymes, and other biomarkers that can provide additional information about lung health and disease.

Nebulizer: A nebulizer is a medical device that delivers medication in the form of a mist to the respiratory system. It is often used for people who have difficulty inhaling medication through traditional inhalers, such as young children or individuals with severe respiratory conditions. The medication is placed in the nebulizer cup and then converted into a fine mist by the machine. This allows the user to breathe in the medication directly through a mouthpiece or mask.

Vaporizer: A vaporizer, on the other hand, is a device that heats up a liquid, often water or essential oils, to produce steam or vapor. While some people use vaporizers for therapeutic purposes, such as to help relieve congestion or cough, it is important to note that vaporizers are not considered medical devices and their effectiveness for these purposes is not well-established.

It's worth noting that nebulizers and vaporizers are different from each other in terms of their purpose and usage. Nebulizers are used specifically for delivering medication, while vaporizers are used to produce steam or vapor, often for non-medical purposes.

Hospitalization is the process of admitting a patient to a hospital for the purpose of receiving medical treatment, surgery, or other health care services. It involves staying in the hospital as an inpatient, typically under the care of doctors, nurses, and other healthcare professionals. The length of stay can vary depending on the individual's medical condition and the type of treatment required. Hospitalization may be necessary for a variety of reasons, such as to receive intensive care, to undergo diagnostic tests or procedures, to recover from surgery, or to manage chronic illnesses or injuries.

Croup is a common respiratory condition that mainly affects young children. It is characterized by a harsh, barking cough and difficulty breathing, which can sometimes be accompanied by stridor (a high-pitched, wheezing sound that occurs when breathing in). Croup is typically caused by a viral infection that leads to inflammation of the upper airway, including the larynx (voice box) and trachea (windpipe).

The medical definition of croup is:

* Acute laryngotracheitis or laryngotracheobronchitis
* Inflammation of the larynx and trachea, often with involvement of the bronchi
* Characterized by a barking cough, stridor, and hoarseness
* Most commonly caused by viral infections, such as parainfluenza virus
* Typically affects children between 6 months and 3 years of age.

Graft rejection is an immune response that occurs when transplanted tissue or organ (the graft) is recognized as foreign by the recipient's immune system, leading to the activation of immune cells to attack and destroy the graft. This results in the failure of the transplant and the need for additional medical intervention or another transplant. There are three types of graft rejection: hyperacute, acute, and chronic. Hyperacute rejection occurs immediately or soon after transplantation due to pre-existing antibodies against the graft. Acute rejection typically occurs within weeks to months post-transplant and is characterized by the infiltration of T-cells into the graft. Chronic rejection, which can occur months to years after transplantation, is a slow and progressive process characterized by fibrosis and tissue damage due to ongoing immune responses against the graft.

Viral pneumonia is a type of pneumonia caused by viral infection. It primarily affects the upper and lower respiratory tract, leading to inflammation of the alveoli (air sacs) in the lungs. This results in symptoms such as cough, difficulty breathing, fever, fatigue, and chest pain. Common viruses that can cause pneumonia include influenza virus, respiratory syncytial virus (RSV), and adenovirus. Viral pneumonia is often milder than bacterial pneumonia but can still be serious, especially in young children, older adults, and people with weakened immune systems. Treatment typically involves supportive care, such as rest, hydration, and fever reduction, while the body fights off the virus. In some cases, antiviral medications may be used to help manage symptoms and prevent complications.

Respiratory aspiration is defined as the entry of foreign materials (such as food, liquids, or vomit) into the lower respiratory tract during swallowing, which includes the trachea and lungs. This can lead to respiratory complications such as pneumonia, bronchitis, or lung abscesses. Aspiration can occur in individuals with impaired swallowing function due to various conditions like neurological disorders, stroke, or anesthesia.

Oxygen inhalation therapy is a medical treatment that involves the administration of oxygen to a patient through a nasal tube or mask, with the purpose of increasing oxygen concentration in the body. This therapy is used to treat various medical conditions such as chronic obstructive pulmonary disease (COPD), pneumonia, heart failure, and other conditions that cause low levels of oxygen in the blood. The additional oxygen helps to improve tissue oxygenation, reduce work of breathing, and promote overall patient comfort and well-being. Oxygen therapy may be delivered continuously or intermittently, depending on the patient's needs and medical condition.

Paramyxoviridae is a family of viruses that includes several important pathogens causing respiratory infections in humans and animals. According to the medical perspective, Paramyxoviridae infections refer to the diseases caused by these viruses.

Some notable human paramyxovirus infections include:

1. Respiratory Syncytial Virus (RSV) Infection: RSV is a common cause of respiratory tract infections, particularly in young children and older adults. It can lead to bronchiolitis and pneumonia, especially in infants and patients with compromised immune systems.
2. Measles (Rubeola): Measles is a highly contagious viral disease characterized by fever, cough, coryza (runny nose), conjunctivitis, and a maculopapular rash. It can lead to severe complications such as pneumonia, encephalitis, and even death, particularly in malnourished children and individuals with weakened immune systems.
3. Parainfluenza Virus Infection: Parainfluenza viruses are responsible for upper and lower respiratory tract infections, including croup, bronchitis, and pneumonia. They mainly affect young children but can also infect adults, causing mild to severe illnesses.
4. Mumps: Mumps is a contagious viral infection that primarily affects the salivary glands, causing painful swelling. It can lead to complications such as meningitis, encephalitis, deafness, and orchitis (inflammation of the testicles) in rare cases.
5. Human Metapneumovirus (HMPV) Infection: HMPV is a respiratory virus that can cause upper and lower respiratory tract infections, similar to RSV and parainfluenza viruses. It mainly affects young children and older adults, leading to bronchitis, pneumonia, and exacerbations of chronic lung diseases.

Prevention strategies for Paramyxoviridae infections include vaccination programs, practicing good personal hygiene, and implementing infection control measures in healthcare settings.

Bronchitis is a medical condition characterized by inflammation of the bronchi, which are the large airways that lead to the lungs. This inflammation can cause a variety of symptoms, including coughing, wheezing, chest tightness, and shortness of breath. Bronchitis can be either acute or chronic.

Acute bronchitis is usually caused by a viral infection, such as a cold or the flu, and typically lasts for a few days to a week. Symptoms may include a productive cough (coughing up mucus or phlegm), chest discomfort, and fatigue. Acute bronchitis often resolves on its own without specific medical treatment, although rest, hydration, and over-the-counter medications to manage symptoms may be helpful.

Chronic bronchitis, on the other hand, is a long-term condition that is characterized by a persistent cough with mucus production that lasts for at least three months out of the year for two consecutive years. Chronic bronchitis is typically caused by exposure to irritants such as cigarette smoke, air pollution, or occupational dusts and chemicals. It is often associated with chronic obstructive pulmonary disease (COPD), which includes both chronic bronchitis and emphysema.

Treatment for chronic bronchitis may include medications to help open the airways, such as bronchodilators and corticosteroids, as well as lifestyle changes such as smoking cessation and avoiding irritants. In severe cases, oxygen therapy or lung transplantation may be necessary.

Helium is not a medical term, but it's a chemical element with symbol He and atomic number 2. It's a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gases section of the periodic table. In medicine, helium is sometimes used in medical settings for its unique properties, such as being less dense than air, which can help improve the delivery of oxygen to patients with respiratory conditions. For example, heliox, a mixture of helium and oxygen, may be used to reduce the work of breathing in patients with conditions like chronic obstructive pulmonary disease (COPD) or asthma. Additionally, helium is also used in cryogenic medical equipment and in magnetic resonance imaging (MRI) machines to cool the superconducting magnets.

Respiratory tract infections (RTIs) are infections that affect the respiratory system, which includes the nose, throat (pharynx), voice box (larynx), windpipe (trachea), bronchi, and lungs. These infections can be caused by viruses, bacteria, or, less commonly, fungi.

RTIs are classified into two categories based on their location: upper respiratory tract infections (URTIs) and lower respiratory tract infections (LRTIs). URTIs include infections of the nose, sinuses, throat, and larynx, such as the common cold, flu, laryngitis, and sinusitis. LRTIs involve the lower airways, including the bronchi and lungs, and can be more severe. Examples of LRTIs are pneumonia, bronchitis, and bronchiolitis.

Symptoms of RTIs depend on the location and cause of the infection but may include cough, congestion, runny nose, sore throat, difficulty breathing, wheezing, fever, fatigue, and chest pain. Treatment for RTIs varies depending on the severity and underlying cause of the infection. For viral infections, treatment typically involves supportive care to manage symptoms, while antibiotics may be prescribed for bacterial infections.

"Bronchi" are a pair of airways in the respiratory system that branch off from the trachea (windpipe) and lead to the lungs. They are responsible for delivering oxygen-rich air to the lungs and removing carbon dioxide during exhalation. The right bronchus is slightly larger and more vertical than the left, and they further divide into smaller branches called bronchioles within the lungs. Any abnormalities or diseases affecting the bronchi can impact lung function and overall respiratory health.

The trachea, also known as the windpipe, is a tube-like structure in the respiratory system that connects the larynx (voice box) to the bronchi (the two branches leading to each lung). It is composed of several incomplete rings of cartilage and smooth muscle, which provide support and flexibility. The trachea plays a crucial role in directing incoming air to the lungs during inspiration and outgoing air to the larynx during expiration.

Lung diseases refer to a broad category of disorders that affect the lungs and other structures within the respiratory system. These diseases can impair lung function, leading to symptoms such as coughing, shortness of breath, chest pain, and wheezing. They can be categorized into several types based on the underlying cause and nature of the disease process. Some common examples include:

1. Obstructive lung diseases: These are characterized by narrowing or blockage of the airways, making it difficult to breathe out. Examples include chronic obstructive pulmonary disease (COPD), asthma, bronchiectasis, and cystic fibrosis.
2. Restrictive lung diseases: These involve stiffening or scarring of the lungs, which reduces their ability to expand and take in air. Examples include idiopathic pulmonary fibrosis, sarcoidosis, and asbestosis.
3. Infectious lung diseases: These are caused by bacteria, viruses, fungi, or parasites that infect the lungs. Examples include pneumonia, tuberculosis, and influenza.
4. Vascular lung diseases: These affect the blood vessels in the lungs, impairing oxygen exchange. Examples include pulmonary embolism, pulmonary hypertension, and chronic thromboembolic pulmonary hypertension (CTEPH).
5. Neoplastic lung diseases: These involve abnormal growth of cells within the lungs, leading to cancer. Examples include small cell lung cancer, non-small cell lung cancer, and mesothelioma.
6. Other lung diseases: These include interstitial lung diseases, pleural effusions, and rare disorders such as pulmonary alveolar proteinosis and lymphangioleiomyomatosis (LAM).

It is important to note that this list is not exhaustive, and there are many other conditions that can affect the lungs. Proper diagnosis and treatment of lung diseases require consultation with a healthcare professional, such as a pulmonologist or respiratory therapist.

The nasopharynx is the uppermost part of the pharynx (throat), which is located behind the nose. It is a muscular cavity that serves as a passageway for air and food. The nasopharynx extends from the base of the skull to the lower border of the soft palate, where it continues as the oropharynx. Its primary function is to allow air to flow into the respiratory system through the nostrils while also facilitating the drainage of mucus from the nose into the throat. The nasopharynx contains several important structures, including the adenoids and the opening of the Eustachian tubes, which connect the middle ear to the back of the nasopharynx.

A hypertonic saline solution is a type of medical fluid that contains a higher concentration of salt (sodium chloride) than is found in the average person's blood. This solution is used to treat various medical conditions, such as dehydration, brain swelling, and increased intracranial pressure.

The osmolarity of a hypertonic saline solution typically ranges from 1500 to 23,400 mOsm/L, with the most commonly used solutions having an osmolarity of around 3000 mOsm/L. The high sodium concentration in these solutions creates an osmotic gradient that draws water out of cells and into the bloodstream, helping to reduce swelling and increase fluid volume in the body.

It is important to note that hypertonic saline solutions should be administered with caution, as they can cause serious side effects such as electrolyte imbalances, heart rhythm abnormalities, and kidney damage if not used properly. Healthcare professionals must carefully monitor patients receiving these solutions to ensure safe and effective treatment.

I'm sorry for any confusion, but "Guadeloupe" is not a medical term. It is actually an overseas region and department of France, located in the Caribbean Sea. Guadeloupe is an archipelago consisting of several islands, with a total land area of approximately 1,700 square kilometers (656 square miles) and a population of around 400,000 people.

If you have any questions related to medical terminology or health-related topics, I would be happy to try and help answer them for you.

Airway obstruction is a medical condition that occurs when the normal flow of air into and out of the lungs is partially or completely blocked. This blockage can be caused by a variety of factors, including swelling of the tissues in the airway, the presence of foreign objects or substances, or abnormal growths such as tumors.

When the airway becomes obstructed, it can make it difficult for a person to breathe normally. They may experience symptoms such as shortness of breath, wheezing, coughing, and chest tightness. In severe cases, airway obstruction can lead to respiratory failure and other life-threatening complications.

There are several types of airway obstruction, including:

1. Upper airway obstruction: This occurs when the blockage is located in the upper part of the airway, such as the nose, throat, or voice box.
2. Lower airway obstruction: This occurs when the blockage is located in the lower part of the airway, such as the trachea or bronchi.
3. Partial airway obstruction: This occurs when the airway is partially blocked, allowing some air to flow in and out of the lungs.
4. Complete airway obstruction: This occurs when the airway is completely blocked, preventing any air from flowing into or out of the lungs.

Treatment for airway obstruction depends on the underlying cause of the condition. In some cases, removing the obstruction may be as simple as clearing the airway of foreign objects or mucus. In other cases, more invasive treatments such as surgery may be necessary.

"Inhalation administration" is a medical term that refers to the method of delivering medications or therapeutic agents directly into the lungs by inhaling them through the airways. This route of administration is commonly used for treating respiratory conditions such as asthma, COPD (chronic obstructive pulmonary disease), and cystic fibrosis.

Inhalation administration can be achieved using various devices, including metered-dose inhalers (MDIs), dry powder inhalers (DPIs), nebulizers, and soft-mist inhalers. Each device has its unique mechanism of delivering the medication into the lungs, but they all aim to provide a high concentration of the drug directly to the site of action while minimizing systemic exposure and side effects.

The advantages of inhalation administration include rapid onset of action, increased local drug concentration, reduced systemic side effects, and improved patient compliance due to the ease of use and non-invasive nature of the delivery method. However, proper technique and device usage are crucial for effective therapy, as incorrect usage may result in suboptimal drug deposition and therapeutic outcomes.

A biopsy is a medical procedure in which a small sample of tissue is taken from the body to be examined under a microscope for the presence of disease. This can help doctors diagnose and monitor various medical conditions, such as cancer, infections, or autoimmune disorders. The type of biopsy performed will depend on the location and nature of the suspected condition. Some common types of biopsies include:

1. Incisional biopsy: In this procedure, a surgeon removes a piece of tissue from an abnormal area using a scalpel or other surgical instrument. This type of biopsy is often used when the lesion is too large to be removed entirely during the initial biopsy.

2. Excisional biopsy: An excisional biopsy involves removing the entire abnormal area, along with a margin of healthy tissue surrounding it. This technique is typically employed for smaller lesions or when cancer is suspected.

3. Needle biopsy: A needle biopsy uses a thin, hollow needle to extract cells or fluid from the body. There are two main types of needle biopsies: fine-needle aspiration (FNA) and core needle biopsy. FNA extracts loose cells, while a core needle biopsy removes a small piece of tissue.

4. Punch biopsy: In a punch biopsy, a round, sharp tool is used to remove a small cylindrical sample of skin tissue. This type of biopsy is often used for evaluating rashes or other skin abnormalities.

5. Shave biopsy: During a shave biopsy, a thin slice of tissue is removed from the surface of the skin using a sharp razor-like instrument. This technique is typically used for superficial lesions or growths on the skin.

After the biopsy sample has been collected, it is sent to a laboratory where a pathologist will examine the tissue under a microscope and provide a diagnosis based on their findings. The results of the biopsy can help guide further treatment decisions and determine the best course of action for managing the patient's condition.

Bronchioles are the smallest airways in the respiratory system that carry air into the lungs. They are branching tubes within the lungs that further divide and become smaller than bronchi, ending in tiny air sacs called alveoli where the exchange of oxygen and carbon dioxide occurs. Bronchioles do not have cartilage in their walls, unlike larger bronchi, making them more flexible and able to adjust to changes in lung volume during breathing.

Interstitial lung diseases (ILDs) are a group of disorders characterized by inflammation and scarring (fibrosis) in the interstitium, the tissue and space around the air sacs (alveoli) of the lungs. The interstitium is where the blood vessels that deliver oxygen to the lungs are located. ILDs can be caused by a variety of factors, including environmental exposures, medications, connective tissue diseases, and autoimmune disorders.

The scarring and inflammation in ILDs can make it difficult for the lungs to expand and contract normally, leading to symptoms such as shortness of breath, cough, and fatigue. The scarring can also make it harder for oxygen to move from the air sacs into the bloodstream.

There are many different types of ILDs, including:

* Idiopathic pulmonary fibrosis (IPF): a type of ILD that is caused by unknown factors and tends to progress rapidly
* Hypersensitivity pneumonitis: an ILD that is caused by an allergic reaction to inhaled substances, such as mold or bird droppings
* Connective tissue diseases: ILDs can be a complication of conditions such as rheumatoid arthritis and scleroderma
* Sarcoidosis: an inflammatory disorder that can affect multiple organs, including the lungs
* Asbestosis: an ILD caused by exposure to asbestos fibers

Treatment for ILDs depends on the specific type of disease and its underlying cause. Some treatments may include corticosteroids, immunosuppressive medications, and oxygen therapy. In some cases, a lung transplant may be necessary.

Albuterol is a medication that is used to treat bronchospasm, or narrowing of the airways in the lungs, in conditions such as asthma and chronic obstructive pulmonary disease (COPD). It is a short-acting beta-2 agonist, which means it works by relaxing the muscles around the airways, making it easier to breathe. Albuterol is available in several forms, including an inhaler, nebulizer solution, and syrup, and it is typically used as needed to relieve symptoms of bronchospasm. It may also be used before exercise to prevent bronchospasm caused by physical activity.

The medical definition of Albuterol is: "A short-acting beta-2 adrenergic agonist used to treat bronchospasm in conditions such as asthma and COPD. It works by relaxing the muscles around the airways, making it easier to breathe."

Bronchoalveolar lavage (BAL) is a medical procedure in which a small amount of fluid is introduced into a segment of the lung and then gently suctioned back out. The fluid contains cells and other materials that can be analyzed to help diagnose various lung conditions, such as inflammation, infection, or cancer.

The procedure is typically performed during bronchoscopy, which involves inserting a thin, flexible tube with a light and camera on the end through the nose or mouth and into the lungs. Once the bronchoscope is in place, a small catheter is passed through the bronchoscope and into the desired lung segment. The fluid is then introduced and suctioned back out, and the sample is sent to a laboratory for analysis.

BAL can be helpful in diagnosing various conditions such as pneumonia, interstitial lung diseases, alveolar proteinosis, and some types of cancer. It can also be used to monitor the effectiveness of treatment for certain lung conditions. However, like any medical procedure, it carries some risks, including bleeding, infection, and respiratory distress. Therefore, it is important that the procedure is performed by a qualified healthcare professional in a controlled setting.

Respiratory rate is the number of breaths a person takes per minute. It is typically measured by counting the number of times the chest rises and falls in one minute. Normal respiratory rate at rest for an adult ranges from 12 to 20 breaths per minute. An increased respiratory rate (tachypnea) or decreased respiratory rate (bradypnea) can be a sign of various medical conditions, such as lung disease, heart failure, or neurological disorders. It is an important vital sign that should be regularly monitored in clinical settings.

Nasal lavage fluid refers to the fluid that is obtained through a process called nasal lavage or nasal washing. This procedure involves instilling a saline solution into the nose and then allowing it to drain out, taking with it any mucus, debris, or other particles present in the nasal passages. The resulting fluid can be collected and analyzed for various purposes, such as diagnosing sinus infections, allergies, or other conditions affecting the nasal cavity and surrounding areas.

It is important to note that the term "nasal lavage fluid" may also be used interchangeably with "nasal wash fluid," "nasal irrigation fluid," or "sinus rinse fluid." These terms all refer to the same basic concept of using a saline solution to clean out the nasal passages and collect the resulting fluid for analysis.

Mediastinal emphysema is a medical condition characterized by the presence of air or gas within the mediastinum, which is the central compartment of the thorax that contains the heart, esophagus, trachea, bronchi, thymus gland, and other associated structures.

In mediastinal emphysema, the air accumulates in the mediastinal tissues and spaces, leading to their abnormal distention or swelling. This condition can result from various causes, including:

* Pulmonary trauma or barotrauma (e.g., mechanical ventilation, scuba diving)
* Infections that cause gas-forming organisms (e.g., pneumomediastinum)
* Air leakage from the lungs or airways (e.g., bronchial rupture, esophageal perforation)
* Certain medical procedures (e.g., mediastinoscopy, tracheostomy)

Mediastinal emphysema can cause symptoms such as chest pain, cough, difficulty breathing, and swallowing problems. In severe cases, it may lead to life-threatening complications, including tension pneumothorax or mediastinitis. Treatment depends on the underlying cause and severity of the condition.

A Severity of Illness Index is a measurement tool used in healthcare to assess the severity of a patient's condition and the risk of mortality or other adverse outcomes. These indices typically take into account various physiological and clinical variables, such as vital signs, laboratory values, and co-morbidities, to generate a score that reflects the patient's overall illness severity.

Examples of Severity of Illness Indices include the Acute Physiology and Chronic Health Evaluation (APACHE) system, the Simplified Acute Physiology Score (SAPS), and the Mortality Probability Model (MPM). These indices are often used in critical care settings to guide clinical decision-making, inform prognosis, and compare outcomes across different patient populations.

It is important to note that while these indices can provide valuable information about a patient's condition, they should not be used as the sole basis for clinical decision-making. Rather, they should be considered in conjunction with other factors, such as the patient's overall clinical presentation, treatment preferences, and goals of care.

Azithromycin is a widely used antibiotic drug that belongs to the class of macrolides. It works by inhibiting bacterial protein synthesis, which leads to the death of susceptible bacteria. This medication is active against a broad range of gram-positive and gram-negative bacteria, atypical bacteria, and some parasites.

Azithromycin is commonly prescribed to treat various bacterial infections, such as:

1. Respiratory tract infections, including pneumonia, bronchitis, and sinusitis
2. Skin and soft tissue infections
3. Sexually transmitted diseases, like chlamydia
4. Otitis media (middle ear infection)
5. Traveler's diarrhea

The drug is available in various forms, including tablets, capsules, suspension, and intravenous solutions. The typical dosage for adults ranges from 250 mg to 500 mg per day, depending on the type and severity of the infection being treated.

Like other antibiotics, azithromycin should be used judiciously to prevent antibiotic resistance. It is essential to complete the full course of treatment as prescribed by a healthcare professional, even if symptoms improve before finishing the medication.

Adenoviridae infections refer to diseases caused by members of the Adenoviridae family of viruses, which are non-enveloped, double-stranded DNA viruses. These viruses can infect a wide range of hosts, including humans, animals, and birds. In humans, adenovirus infections can cause a variety of symptoms, depending on the specific type of virus and the age and immune status of the infected individual.

Common manifestations of adenovirus infections in humans include:

1. Respiratory illness: Adenoviruses are a common cause of respiratory tract infections, such as bronchitis, pneumonia, and croup. They can also cause conjunctivitis (pink eye) and pharyngoconjunctival fever.
2. Gastrointestinal illness: Some types of adenoviruses can cause diarrhea, vomiting, and abdominal pain, particularly in children and immunocompromised individuals.
3. Genitourinary illness: Adenoviruses have been associated with urinary tract infections, hemorrhagic cystitis, and nephritis.
4. Eye infections: Epidemic keratoconjunctivitis is a severe form of conjunctivitis caused by certain adenovirus types.
5. Central nervous system infections: Adenoviruses have been linked to meningitis, encephalitis, and other neurological disorders, although these are rare.

Transmission of adenoviruses typically occurs through respiratory droplets, contaminated surfaces, or contaminated water. Preventive measures include good hygiene practices, such as handwashing and avoiding close contact with infected individuals. There is no specific treatment for adenovirus infections, but supportive care can help alleviate symptoms. In severe cases or in immunocompromised patients, antiviral therapy may be considered.

Asthma is a chronic respiratory disease characterized by inflammation and narrowing of the airways, leading to symptoms such as wheezing, coughing, shortness of breath, and chest tightness. The airway obstruction in asthma is usually reversible, either spontaneously or with treatment.

The underlying cause of asthma involves a combination of genetic and environmental factors that result in hypersensitivity of the airways to certain triggers, such as allergens, irritants, viruses, exercise, and emotional stress. When these triggers are encountered, the airways constrict due to smooth muscle spasm, swell due to inflammation, and produce excess mucus, leading to the characteristic symptoms of asthma.

Asthma is typically managed with a combination of medications that include bronchodilators to relax the airway muscles, corticosteroids to reduce inflammation, and leukotriene modifiers or mast cell stabilizers to prevent allergic reactions. Avoiding triggers and monitoring symptoms are also important components of asthma management.

There are several types of asthma, including allergic asthma, non-allergic asthma, exercise-induced asthma, occupational asthma, and nocturnal asthma, each with its own set of triggers and treatment approaches. Proper diagnosis and management of asthma can help prevent exacerbations, improve quality of life, and reduce the risk of long-term complications.

Homologous transplantation is a type of transplant surgery where organs or tissues are transferred between two genetically non-identical individuals of the same species. The term "homologous" refers to the similarity in structure and function of the donated organ or tissue to the recipient's own organ or tissue.

For example, a heart transplant from one human to another is an example of homologous transplantation because both organs are hearts and perform the same function. Similarly, a liver transplant, kidney transplant, lung transplant, and other types of organ transplants between individuals of the same species are also considered homologous transplantations.

Homologous transplantation is in contrast to heterologous or xenogeneic transplantation, where organs or tissues are transferred from one species to another, such as a pig heart transplanted into a human. Homologous transplantation is more commonly performed than heterologous transplantation due to the increased risk of rejection and other complications associated with xenogeneic transplants.

Respiratory therapy is a healthcare profession that specializes in the diagnosis, treatment, and management of respiratory disorders and diseases. Respiratory therapists (RTs) work under the direction of physicians to provide care for patients with conditions such as chronic obstructive pulmonary disease (COPD), asthma, cystic fibrosis, sleep apnea, and neuromuscular diseases that affect breathing.

RTs use a variety of techniques and treatments to help patients breathe more easily, including oxygen therapy, aerosol medication delivery, chest physiotherapy, mechanical ventilation, and patient education. They also perform diagnostic tests such as pulmonary function studies to assess lung function and help diagnose respiratory conditions.

RTs work in a variety of healthcare settings, including hospitals, clinics, long-term care facilities, and home health agencies. They may provide care for patients of all ages, from premature infants to the elderly. The overall goal of respiratory therapy is to help patients achieve and maintain optimal lung function and quality of life.

A Pediatric Intensive Care Unit (PICU) is a specialized hospital unit that provides intensive care to critically ill or injured infants, children, and adolescents. The PICU is equipped with advanced medical technology and staffed by healthcare professionals trained in pediatrics, including pediatric intensivists, pediatric nurses, respiratory therapists, and other specialists as needed.

The primary goal of the PICU is to closely monitor and manage the most critical patients, providing around-the-clock care and interventions to support organ function, treat life-threatening conditions, and prevent complications. The PICU team works together to provide family-centered care, keeping parents informed about their child's condition and involving them in decision-making processes.

Common reasons for admission to the PICU include respiratory failure, shock, sepsis, severe trauma, congenital heart disease, neurological emergencies, and post-operative monitoring after complex surgeries. The length of stay in the PICU can vary widely depending on the severity of the child's illness or injury and their response to treatment.

Pneumonia is an infection or inflammation of the alveoli (tiny air sacs) in one or both lungs. It's often caused by bacteria, viruses, or fungi. Accumulated pus and fluid in these air sacs make it difficult to breathe, which can lead to coughing, chest pain, fever, and difficulty breathing. The severity of symptoms can vary from mild to life-threatening, depending on the underlying cause, the patient's overall health, and age. Pneumonia is typically diagnosed through a combination of physical examination, medical history, and diagnostic tests such as chest X-rays or blood tests. Treatment usually involves antibiotics for bacterial pneumonia, antivirals for viral pneumonia, and supportive care like oxygen therapy, hydration, and rest.

Follow-up studies are a type of longitudinal research that involve repeated observations or measurements of the same variables over a period of time, in order to understand their long-term effects or outcomes. In medical context, follow-up studies are often used to evaluate the safety and efficacy of medical treatments, interventions, or procedures.

In a typical follow-up study, a group of individuals (called a cohort) who have received a particular treatment or intervention are identified and then followed over time through periodic assessments or data collection. The data collected may include information on clinical outcomes, adverse events, changes in symptoms or functional status, and other relevant measures.

The results of follow-up studies can provide important insights into the long-term benefits and risks of medical interventions, as well as help to identify factors that may influence treatment effectiveness or patient outcomes. However, it is important to note that follow-up studies can be subject to various biases and limitations, such as loss to follow-up, recall bias, and changes in clinical practice over time, which must be carefully considered when interpreting the results.

A pediatric hospital is a specialized medical facility that provides comprehensive healthcare services for infants, children, adolescents, and young adults up to the age of 21. These hospitals employ medical professionals with expertise in treating various childhood illnesses, injuries, and developmental disorders. The facilities are designed to cater to the unique needs of children, including child-friendly environments, specialized equipment, and age-appropriate care.

Pediatric hospitals offer a wide range of services such as inpatient and outpatient care, emergency services, surgical procedures, diagnostic testing, rehabilitation, and mental health services. They also focus on preventive healthcare, family-centered care, and education to support the overall well-being of their young patients. Some pediatric hospitals may specialize further, focusing on specific areas such as cancer treatment, cardiology, neurology, or orthopedics.

I believe there might be a slight confusion in your question. The "food processing industry" is not a medical term per se, but rather a term used to describe the branch of manufacturing that involves transforming raw agricultural ingredients into food products for commercial sale.

The food-processing industry includes activities such as:

1. Cleaning and grading raw food materials
2. Preservation through canning, freezing, refrigeration, or dehydration
3. Preparation of food by chopping, cooking, baking, or mixing
4. Packaging and labeling of the final food product

While not a medical term, it is still relevant to the medical field as processed foods can impact human health, both positively and negatively. For example, processing can help preserve nutrients, increase food safety, and make certain foods more accessible and convenient. However, overly processed foods often contain high levels of added sugars, sodium, and unhealthy fats, which can contribute to various health issues such as obesity, diabetes, and cardiovascular diseases.

Prednisolone is a synthetic glucocorticoid drug, which is a class of steroid hormones. It is commonly used in the treatment of various inflammatory and autoimmune conditions due to its potent anti-inflammatory and immunosuppressive effects. Prednisolone works by binding to specific receptors in cells, leading to changes in gene expression that reduce the production of substances involved in inflammation, such as cytokines and prostaglandins.

Prednisolone is available in various forms, including tablets, syrups, and injectable solutions. It can be used to treat a wide range of medical conditions, including asthma, rheumatoid arthritis, inflammatory bowel disease, allergies, skin conditions, and certain types of cancer.

Like other steroid medications, prednisolone can have significant side effects if used in high doses or for long periods of time. These may include weight gain, mood changes, increased risk of infections, osteoporosis, diabetes, and adrenal suppression. As a result, the use of prednisolone should be closely monitored by a healthcare professional to ensure that its benefits outweigh its risks.

Retrospective studies, also known as retrospective research or looking back studies, are a type of observational study that examines data from the past to draw conclusions about possible causal relationships between risk factors and outcomes. In these studies, researchers analyze existing records, medical charts, or previously collected data to test a hypothesis or answer a specific research question.

Retrospective studies can be useful for generating hypotheses and identifying trends, but they have limitations compared to prospective studies, which follow participants forward in time from exposure to outcome. Retrospective studies are subject to biases such as recall bias, selection bias, and information bias, which can affect the validity of the results. Therefore, retrospective studies should be interpreted with caution and used primarily to generate hypotheses for further testing in prospective studies.

Thoracic radiography is a type of diagnostic imaging that involves using X-rays to produce images of the chest, including the lungs, heart, bronchi, great vessels, and the bones of the spine and chest wall. It is a commonly used tool in the diagnosis and management of various respiratory, cardiovascular, and thoracic disorders such as pneumonia, lung cancer, heart failure, and rib fractures.

During the procedure, the patient is positioned between an X-ray machine and a cassette containing a film or digital detector. The X-ray beam is directed at the chest, and the resulting image is captured on the film or detector. The images produced can help identify any abnormalities in the structure or function of the organs within the chest.

Thoracic radiography may be performed as a routine screening test for certain conditions, such as lung cancer, or it may be ordered when a patient presents with symptoms suggestive of a respiratory or cardiovascular disorder. It is a safe and non-invasive procedure that can provide valuable information to help guide clinical decision making and improve patient outcomes.

"Length of Stay" (LOS) is a term commonly used in healthcare to refer to the amount of time a patient spends receiving care in a hospital, clinic, or other healthcare facility. It is typically measured in hours, days, or weeks and can be used as a metric for various purposes such as resource planning, quality assessment, and reimbursement. The length of stay can vary depending on the type of illness or injury, the severity of the condition, the patient's response to treatment, and other factors. It is an important consideration in healthcare management and can have significant implications for both patients and providers.

Murine pneumonia virus (MPV) is not a widely recognized or officially established medical term. However, it may refer to the Pneumonia Virus of Mice (PVM), which is a pathogen that affects mice and can cause interstitial pneumonia.

PVM is an enveloped, single-stranded, negative-sense RNA virus belonging to the family Paramyxoviridae and the genus Pneumovirus. It primarily infects laboratory mice but has also been found in wild mouse populations. The virus replicates in the respiratory epithelium, leading to interstitial pneumonia and inflammation of the airways.

It is essential to note that Murine Pneumonia Virus should not be confused with Hantavirus Pulmonary Syndrome (HPS), which is also known as "mouse-related pulmonary syndrome." HPS is a severe, sometimes fatal, respiratory disease in humans caused by exposure to hantaviruses, which are found in rodents.

A "hospitalized child" refers to a minor (an individual who has not yet reached the age of majority, which varies by country but is typically 18 in the US) who has been admitted to a hospital for the purpose of receiving medical treatment and care. This term can encompass children of all ages, from infants to teenagers, and may include those who are suffering from a wide range of medical conditions or injuries, requiring various levels of care and intervention.

Hospitalization can be necessary for a variety of reasons, including but not limited to:

1. Acute illnesses that require close monitoring, such as pneumonia, meningitis, or sepsis.
2. Chronic medical conditions that need ongoing management, like cystic fibrosis, cancer, or congenital heart defects.
3. Severe injuries resulting from accidents, such as fractures, burns, or traumatic brain injuries.
4. Elective procedures, such as surgeries for orthopedic issues or to correct congenital abnormalities.
5. Mental health disorders that necessitate inpatient care and treatment.

Regardless of the reason for hospitalization, healthcare professionals strive to provide comprehensive, family-centered care to ensure the best possible outcomes for their young patients. This may involve working closely with families to address their concerns, providing education about the child's condition and treatment plan, and coordinating care across various disciplines and specialties.

Glucocorticoids are a class of steroid hormones that are naturally produced in the adrenal gland, or can be synthetically manufactured. They play an essential role in the metabolism of carbohydrates, proteins, and fats, and have significant anti-inflammatory effects. Glucocorticoids suppress immune responses and inflammation by inhibiting the release of inflammatory mediators from various cells, such as mast cells, eosinophils, and lymphocytes. They are frequently used in medical treatment for a wide range of conditions, including allergies, asthma, rheumatoid arthritis, dermatological disorders, and certain cancers. Prolonged use or high doses of glucocorticoids can lead to several side effects, such as weight gain, mood changes, osteoporosis, and increased susceptibility to infections.

Artificial respiration is an emergency procedure that can be used to provide oxygen to a person who is not breathing or is breathing inadequately. It involves manually forcing air into the lungs, either by compressing the chest or using a device to deliver breaths. The goal of artificial respiration is to maintain adequate oxygenation of the body's tissues and organs until the person can breathe on their own or until advanced medical care arrives. Artificial respiration may be used in conjunction with cardiopulmonary resuscitation (CPR) in cases of cardiac arrest.

Pulmonary fibrosis is a specific type of lung disease that results from the thickening and scarring of the lung tissues, particularly those in the alveoli (air sacs) and interstitium (the space around the air sacs). This scarring makes it harder for the lungs to properly expand and transfer oxygen into the bloodstream, leading to symptoms such as shortness of breath, coughing, fatigue, and eventually respiratory failure. The exact cause of pulmonary fibrosis can vary, with some cases being idiopathic (without a known cause) or related to environmental factors, medications, medical conditions, or genetic predisposition.

Eosinophil Cationic Protein (ECP) is a protein found in the granules of eosinophils, which are a type of white blood cell that plays a role in the immune response, particularly against parasitic infections and allergens. ECP is released from eosinophils during degranulation, a process that occurs when these cells are activated and release their granules' contents.

Elevated levels of ECP in body fluids, such as blood or sputum, can indicate eosinophil activation and may be associated with various inflammatory conditions, including asthma, allergies, and some parasitic infections. Measuring ECP levels can help monitor disease activity and assess the effectiveness of treatment in these conditions.

Prospective studies, also known as longitudinal studies, are a type of cohort study in which data is collected forward in time, following a group of individuals who share a common characteristic or exposure over a period of time. The researchers clearly define the study population and exposure of interest at the beginning of the study and follow up with the participants to determine the outcomes that develop over time. This type of study design allows for the investigation of causal relationships between exposures and outcomes, as well as the identification of risk factors and the estimation of disease incidence rates. Prospective studies are particularly useful in epidemiology and medical research when studying diseases with long latency periods or rare outcomes.

Forced Expiratory Volume (FEV) is a medical term used to describe the volume of air that can be forcefully exhaled from the lungs in one second. It is often measured during pulmonary function testing to assess lung function and diagnose conditions such as chronic obstructive pulmonary disease (COPD) or asthma.

FEV is typically expressed as a percentage of the Forced Vital Capacity (FVC), which is the total volume of air that can be exhaled from the lungs after taking a deep breath in. The ratio of FEV to FVC is used to determine whether there is obstruction in the airways, with a lower ratio indicating more severe obstruction.

There are different types of FEV measurements, including FEV1 (the volume of air exhaled in one second), FEV25-75 (the average volume of air exhaled during the middle 50% of the FVC maneuver), and FEV0.5 (the volume of air exhaled in half a second). These measurements can provide additional information about lung function and help guide treatment decisions.

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There is a lack of consensus as to whether inhaled nebulized epinephrine is beneficial in the treatment of bronchiolitis, with ... Malhotra A, Krilov LR (January 2001). "Viral croup". Pediatrics in Review. 22 (1): 5-12. doi:10.1542/pir.22-1-5. PMID 11139641 ... Everard ML (February 2009). "Acute bronchiolitis and croup". Pediatric Clinics of North America. 56 (1): 119-33, x-xi. doi: ... "A Systematic Review of Clinical Practice Guidelines for the Diagnosis and Management of Bronchiolitis". J. Infect. Dis. 222 ( ...
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Viral replication is cytoplasmic. Entry into the host cell is achieved by viral attachment to host cell. Replication and ... HPIV-3 is associated with bronchiolitis, bronchitis, and pneumonia. HPIV-4 is less common than the other types, and is known to ... demonstrating a vast host range and great viral genetic diversity. As molecular technology advances and viral surveillance ... If the viral genome follows a multiple promoter model, the level inhibition of transcription should correlate with the length ...
Expression of the viral proteins alone does not cause host cell death. unlike other parvoviruses where this has been examined. ... and bronchiolitis (30%) being the most common ultimate diagnoses. HBoV1 has been generally associated with respiratory symptoms ... A viral noncoding RNA of 140 nucleotides, named as bocavirus-encoded small RNA (BocaSR), is expressed from the 3' noncoding ... Other parvoviruses replicate only when the host cell is in S phase: viral replication results in the death of the host cell. ...
... forming the viral proteins from the viral mRNA. Towards the end of the process, (after the formation of the viral proteins) the ... HPIV-3 has been closely associated with bronchiolitis and pneumonia and principally targets those aged ... Viral RNA (vRNA) is initially associated with nucleoprotein (NP), phosphoprotein (P) and the large protein (L). The ... Furthermore, the fusion (F) protein is important in aiding the fusion of the host and viral cellular membranes, eventually ...
NOS 466 Acute bronchitis and bronchiolitis 466.0 Bronchitis, acute 466.11 Bronchiolitis, acute, due to RSV 470 Deviated nasal ... 478 Other diseases of upper respiratory tract 478.1 Abscess/ulcer of nose 480 Viral pneumonia 480.31 Pneumonia, SARS associated ... coronavirus 480.9 Pneumonia, viral, unspec. 481 Pneumococcal pneumonia 482 Other bacterial pneumonia 482.9 Pneumonia, bacterial ...
In severe viral detection, intubation and the use of a mechanical ventilation will be inserted as a breathing apparatus. The ... Orthopneumoviruses can cause diseases that range from a less-severe upper-respiratory illness to severe bronchiolitis or ... RSV is the leading viral agent among pneumoviruses in pediatric upper respiratory diseases globally. New pneumoviruses have ... More serious symptoms include wheezing, difficulty breathing, fever, bronchiolitis and pneumonia. Having a weak immune system ...
Viral bronchiolitis is a common condition and a leading cause of hospitalization in young children. Objective: This article ... Vaccines for RSV bronchiolitis are being developed. Children with viral bronchiolitis in early life are at increased risk of ... Vaccines for RSV bronchiolitis are being developed. Children with viral bronchiolitis in early life are at increased risk of ... Keywords: Bronchiolitis, viral, respiratory syncytial virus, RSV, wheezing, beta-agonists, nebulized racemic epinephrine, ...
When organizing pneumonia is associated with granulation tissue in the bronchiolar lumen, the qualifying term bronchiolitis ... Viral Pneumonia * 2003/viewarticle/939559. Putting it Into (Best) Practice: Diagnostic Challenges and Opportunities in ... Bronchiolitis Obliterans Organizing Pneumonia (BOOP) Imaging * Sections Bronchiolitis Obliterans Organizing Pneumonia (BOOP) ... encoded search term (Bronchiolitis Obliterans Organizing Pneumonia (BOOP) Imaging) and Bronchiolitis Obliterans Organizing ...
... including viral bronchiolitis. Coughing and wheezing in bronchiolitis is difficult to distinguish from asthma. The differential ...
Categories: Bronchiolitis, Viral Image Types: Photo, Illustrations, Video, Color, Black&White, PublicDomain, ...
answered Jun 9, 2020 in Bronchiolitis, Viral by winfordhoward90 (300 points) *covid-19 ...
There was wide variation in the management of infants with viral bronchiolitis by UK GPs. Most infants with viral bronchiolitis ... to assess their management of infants with viral bronchiolitis. We measured practice before the 2015 NICE bronchiolitis ... Results: 39% of GPs did not refer to any guideline to manage infants with bronchiolitis, 33% did not routinely measure oxygen ... Up to 75% of GPs management did not conform to the newly published 2015 NICE bronchiolitis guideline prior to its publication ...
High Flow Nasal Cannula treatment for viral Bronchiolitis, a randomised controlled trial. A new way for oxygen treatment in ... High Flow Nasal Cannula treatment for viral Bronchiolitis, a randomised controlled trial. ... The aim of this study is to investigate the role of high flow therapy in infants with bronchiolitis, but future research and ... Our research group has recently investigated the role of high flow therapy in infants with bronchiolitis and we were able to ...
Respiratory viral infections are a distinct risk for bronchiolitis obliterans syndrome and death. Am J Respir Crit Care Med. ... Viral infections may also be diagnosed with serologic techniques or culture. Matching the CMV status (donor and recipient), ... This feature is helpful when viral inclusions are not readily apparent on hematoxylin and eosin (H&E) stain. (IHC stain using ... This feature is helpful when viral inclusions are not readily apparent on hematoxylin and eosin (H&E) stain. (IHC stain using ...
Read on to learn more about asthma exacerbations that occur following viral infections. ... What is viral-induced asthma and what are some of its symptoms? ... Younger children may develop bronchiolitis, which is a viral ... Viral-induced asthma, or viral asthma, occurs when a virus triggers an asthma attack. The symptoms of viral asthma may be the ... Respiratory syncytial virus (RSV) is the leading cause of bronchiolitis, a viral lung infection common. in young children and a ...
Bedside parameters and viral bronchiolitis respiratory phenotypes. The clinical presentation of viral bronchiolitis is ... "viral bronchiolitis" [22]. As a result, viral bronchiolitis guidelines advocate against the use, or even a therapeutic trial, ... viral bronchiolitis occurring during non-peak months or during non- RSV-predominant months, 3) viral bronchiolitis presenting ... However, there are many different types of viral bronchiolitis, with variations occurring at an individual and viral level. To ...
Bronchiolitis is inflammation of the small airways in the lungs. Acute bronchiolitis is due to a viral infection usually ... Hancock DG, Charles-Britton B, Dixon DL, Forsyth KD (September 2017). "The heterogeneity of viral bronchiolitis: A lack of ... Caballero MT, Polack FP, Stein RT (1 November 2017). "Viral bronchiolitis in young infants: new perspectives for management and ... Enriquez A, Chu IW, Mellis C, Lin WY (November 2012). "Nebulised deoxyribonuclease for viral bronchiolitis in children younger ...
RESULTS: Compared to the use of an SpO2 threshold of 90%, treating infants with viral bronchiolitis with the use of an SpO2 ... CONCLUSIONS: In Bogota, a high-altitude city, in infants admitted for viral bronchiolitis, the use of an SpO2 threshold of 85% ... in infants with viral bronchiolitis living at high altitudes. METHODS: A decision analysis model was developed to estimate the ... for deciding whether infants hospitalized for viral bronchiolitis can be safely discharged to home, from a third-party payers ...
High-Frequency Percussive Ventilation in Viral Bronchiolitis. White BR, Cadotte N, McClellan EB, Presson AP, Bennett E, Smith ...
... bronchiolitis, pyrexia, rhinovirus, asthma, adenovirus infection, erythema multiforme, croup infectious, viral gastroenteritis ... In the placebo group there was 1 participant with bronchiolitis, rhinovirus and acute respiratory failure. ... bronchiolitis due to rhinovirus), Epstein-Barr infection, urinary tract infection, and humerus fracture. In the placebo group ...
Increasing burden of viral bronchiolitis in the pediatric intensive care unit; an observational study Autoren: Rosalie S ... Epidemiology and Immune Pathogenesis of Viral Sepsis Autoren: Gu-Lung Lin, Joseph P. McGinley, Simon B. Drysdale, Andrew J. ... Burden of respiratory syncytial virus bronchiolitis on the Dutch pediatric intensive care units Autoren: Rosalie S Linssen, ... A Systematic Review of Clinical Practice Guidelines for the Diagnosis and Management of Bronchiolitis Autoren: Amir Kirolos, ...
Bronchiolitis is inflammation of the small airways in the lungs. RSV is a viral infection that may cause bronchiolitis. You can ...
Viral pneumonia decreases in frequency in healthy young and middle-aged adults, but it then increases substantially among the ... Bronchiolitis to asthma: a review and call for studies of gene-virus interactions in asthma causation. Am J Respir Crit Care ... Sex differences in viral pneumonia. Men who are infected develop viral pneumonia at a slightly higher rate than women. Pregnant ... Viral transmission. The mechanism of viral transmission varies with the type of virus. Routes include large-droplet spread over ...
Bronchiolitis. Bronchiolitis is a viral lung infection that often affects babies younger than 6 months old. Respiratory ... Croup is a respiratory condition caused by an acute viral infection. Its known for causing a distinctive barking cough. ... 2017). Bronchiolitis.. https://www.mayoclinic.org/diseases-conditions/bronchiolitis/symptoms-causes/syc-20351565. ...
Viral infections. In: McPherson RA, Pincus MR, eds. Henrys Clinical Diagnosis and Management by Laboratory Methods. 24th ed. ...
Many patients with BOS suffer from recurrent bacterial, viral and fungal infections that further compromise lung function and ... Post-transplant bronchiolitis obliterans. A. Boehler, M. Estenne. European Respiratory Journal 2003 22: 1007-1018; DOI: 10.1183 ... Alho HS, Inkinen KA, Salminen U‐S, et al. Collagens I and III in a porcine bronchial model of obliterative bronchiolitis. Am J ... Classification of bronchiolitis obliterans syndrome-taxonomic realism or skepticism. J Heart Lung Transplant 2002;21:941-944. ...
Swelling and mucus buildup in the smallest air passages in the lungs ( bronchiolitis ) Bronchiolitis. Bronchiolitis is swelling ... and mucus buildup in the smallest air passages in the lungs (bronchioles). It is usually due to a viral infection.... ... Wheezing, bronchiolitis, and bronchitis. In: Kliegman RM, Stanton BF, St. Geme JW, Schor NF, eds. Nelson Textbook of Pediatrics ... Sibilant rhonchi; Wheezing asthma; Wheezing - bronchiectasis; Wheezing - bronchiolitis; Wheezing - bronchitis; Wheezing - COPD ...
Bronchiolitis can be a serious illness for babies and toddlers. This article discusses the symptoms and what can be done to ... Bronchiolitis is usually caused by a viral infection. The commonest virus is the respiratory syncytial virus (RSV). This virus ... Bronchiolitis is more likely to happen to an infant who is a male aged between three and six months of age in winter who has ... For mild bronchiolitis it can help to keep some steam in the air that the infant breathes. A cool-mist vaporizer in the ...
109 Bronchiolitis. 110 Pneumonia. 111 Infective Endocarditis. 112 Acute Gastroenteritis. 113 Viral Hepatitis. 114 Urinary Tract ...
Viral-mediated inhibition of antioxidant enzymes contributes to the pathogenesis of severe RSV bronchiolitis. Am J Resp Critic ... Her research is focused on the investigation of viral- and host-specific mechanisms that contribute to the pathogenesis of ... with research expertise in the area of respiratory viral pathogens, lung inflammation, and cellular signaling. ... respiratory viral infections. Over the past several years, she has identified several inducible intracellular signaling ...
Viral induced wheeze. *Long-term condition plus viral upper respiratory tract infection (e.g. congenital cardiac condition + ...
Difference Between Bronchitis and Bronchiolitis What is Bronchitis? Definition of Bronchitis: Bronchitis is the condition in ... Antibiotics are usually not recommended since infections are mainly viral.. What is Bronchiolitis?. Definition of Bronchiolitis ... Bronchiolitis. *Bronchitis is an inflammation of the upper respiratory tract while bronchiolitis is an infection and ... Symptoms of bronchitis and bronchiolitis are similar but bronchiolitis can also cause vomiting leading to dehydration. ...
  • Younger children may develop bronchiolitis , which is a viral infection that may lead to childhood asthma . (medicalnewstoday.com)
  • Respiratory syncytial virus (RSV) is the leading cause of bronchiolitis, a viral lung infection common in young children and a major risk factor for developing childhood asthma. (medicalnewstoday.com)
  • However, a study suggests that oral corticosteroids can decrease wheezing in the 12 months after viral infection and decrease the incidence of asthma by 30% in a 4-7-year follow-up. (medicalnewstoday.com)
  • Viral bronchiolitis is the most important cause of lower respiratory tract infection (LRTI) in children during the first 2 years of life and is the leading cause of hospitalisation among infants younger than 1 year [ 1 - 3 ]. (ersjournals.com)
  • Acute bronchiolitis is due to a viral infection usually affecting children younger than two years of age. (wikipedia.org)
  • Acute bronchiolitis is usually the result of infection by respiratory syncytial virus (72% of cases) or human rhinovirus (26% of cases). (wikipedia.org)
  • Infants with bronchiolitis between the age of two and three months have a second infection by bacteria (usually a urinary tract infection) less than 6% of the time. (wikipedia.org)
  • Respiratory syncytial virus (RSV) is the most frequent cause of lower respiratory tract infection in infants and children and the second most common viral cause of pneumonia in adults. (medscape.com)
  • Croup is a respiratory condition caused by an acute viral infection. (healthline.com)
  • It is usually due to a viral infection. (stlukes-stl.com)
  • Bronchiolitis is usually caused by a viral infection. (familydoctor.co.nz)
  • Bronchiolitis is a lower respiratory tract infection, most often caused by Respiratory Syncytial Virus (RSV). (bpac.org.nz)
  • The course of illness in infants with bronchiolitis can vary, although it often begins with symptoms similar to a cold, lasting approximately three days, which worsen as the infection spreads into the lower respiratory tract. (bpac.org.nz)
  • 2 Clinicians should consider a diagnosis of bronchiolitis in an infant aged under 12 months with symptoms of lower respiratory tract infection during winter. (bpac.org.nz)
  • This viral infection primarily affects infants and young children, causing inflammation and obstruction in the small airways of the lungs. (bcm.edu)
  • Bronchiolitis is a viral infection that happens mostly in the late fall and winter. (cheo.on.ca)
  • By clarifying the roles of both host- (genetic) and virus- (environment) specific factors that contribute to the frequency and severity of viral LRTI, it may be possible to determine if severe LRTIs cause asthma, or if asthma susceptibility predisposes patients to severe LRTI in response to viral infection. (atsjournals.org)
  • There is no specific treatment for the viral infection. (medlineplus.gov)
  • Hepatitis E virus (HEV), an important agent of viral hepatitis worldwide, can cause severe courses of infection in pregnant women and immunosuppressed patients. (mdpi.com)
  • What Is a Viral Infection? (medicinenet.com)
  • A viral infection is a proliferation of a harmful virus inside your body. (medicinenet.com)
  • With an active viral infection, a virus makes copies of itself and bursts the host cell (killing it) to set the newly-formed virus particles free. (medicinenet.com)
  • Is it a Bacterial or Viral Infection? (medicinenet.com)
  • Contaminated food and water are other potential sources of viral infection. (medicinenet.com)
  • Bronchiolitis is a viral infection that causes the small breathing tubes in the lungs to become tight, swollen and filled with mucous. (cheo.on.ca)
  • In addition, we found that some therapeutic monoclonal antibodies (REGN10987 plus REGN10933, COV2-2196 plus COV2-2130, and S309) and antiviral drugs (molnupiravir, nirmatrelvir and S-217622) can restrict viral infection in the respiratory organs of BA.2-infected hamsters. (nature.com)
  • The spike (S) protein of SARS-CoV-2 mediates viral receptor binding and membrane fusion, both of which are essential for viral infection of host cells. (nature.com)
  • Parainfluenza virus (PIV) is second in importance only to RSV as a cause of lower respiratory tract disease in children and pneumonia and bronchiolitis in infants younger than 6 months. (medscape.com)
  • Respiratory syncytial virus (RSV) is an important viral agent of childhood respiratory tract disease worldwide, causing pneumonia and bronchiolitis in infants. (gla.ac.uk)
  • Use of continuous positive airway pressure (CPAP) in acute viral bronchiolitis: a systematic review. (thieme-connect.de)
  • A new way for oxygen treatment in infants with viral respiratory infections. (emergencyfoundation.org.au)
  • Her research is focused on the investigation of viral- and host-specific mechanisms that contribute to the pathogenesis of respiratory viral infections. (utmb.edu)
  • Viral infections are important causes of asthma exacerbations in children, and lower respiratory tract infections (LRTIs), caused by viruses such as respiratory syncytial virus (RSV) and rhinovirus (RV), are a leading cause of bronchiolitis in infants. (atsjournals.org)
  • The term ALRI included: acute broncho-pneumonia for bacterial infections, bronchiolitis for viral infections, pneumonia and pleuro-pneumonia. (scirp.org)
  • How Long Are Viral Infections Contagious? (medicinenet.com)
  • Viral infections are contagious for varying periods of time depending on the virus. (medicinenet.com)
  • Respiratory viral infections affect the lungs, nose, and throat. (medicinenet.com)
  • Other lower respiratory tract infections seen in children are croup (laryngotracheobronchitis), bronchitis, and bronchiolitis. (pediatriconcall.com)
  • Most commonly, it is the result of infections (bacterial, viral, or fungal), but it can occur as a result of chemical injury (gastric acid/aspiration of food/hydrocarbon and lipoid pneumonia/radiation-induced pneumonia). (pediatriconcall.com)
  • Lymphocytic predominance may be seen in viral pneumonia, pertussis, and atypical infections. (pediatriconcall.com)
  • Bronchiolitis is inflammation of the small airways in the lungs. (wikipedia.org)
  • The virus can cause croup , bronchiolitis , bronchitis and certain types of pneumonia. (medlineplus.gov)
  • Certain treatments are available for the symptoms of croup and bronchiolitis to make breathing easier. (medlineplus.gov)
  • Airway obstruction in croup and bronchiolitis can be severe and even life threatening, especially in younger children. (medlineplus.gov)
  • Passive immunoprophylaxis with a monoclonal antibody against RSV, when given intramuscularly and monthly during winter, is effective in preventing severe RSV bronchiolitis in high-risk children who are born prematurely and in children under 2 years with chronic lung disease or hemodynamically significant congenital heart disease. (benthamscience.com)
  • Viral-mediated inhibition of antioxidant enzymes contributes to the pathogenesis of severe RSV bronchiolitis. (utmb.edu)
  • Children with viral bronchiolitis in early life are at increased risk of developing asthma later in childhood. (benthamscience.com)
  • Viral bronchiolitis in early life predisposes asthma development later in childhood. (benthamscience.com)
  • The aim of this study is to investigate the role of high flow therapy in infants with bronchiolitis, but future research and trials will also include other conditions such as asthma and pneumonia. (emergencyfoundation.org.au)
  • What are the symptoms of viral-induced asthma? (medicalnewstoday.com)
  • What symptoms might a person experience with viral-induced asthma? (medicalnewstoday.com)
  • Symptoms of viral asthma may include difficulty breathing, chest tightness, and wheezing. (medicalnewstoday.com)
  • Viral-induced asthma, or viral asthma, occurs when a virus triggers an asthma attack . (medicalnewstoday.com)
  • The symptoms of viral asthma may be the same as typical asthma symptoms. (medicalnewstoday.com)
  • In this article, we will look at the symptoms of viral asthma, what causes it, and how doctors treat it. (medicalnewstoday.com)
  • Viral asthma can occur in adults and children. (medicalnewstoday.com)
  • Doctors may need to differentiate between bronchiolitis and asthma. (medicalnewstoday.com)
  • When someone has viral-induced asthma, they may have other symptoms, such as those of the common cold. (medicalnewstoday.com)
  • In addition, race may be a risk factor for viral asthma, which can make a person more prone to exacerbation. (medicalnewstoday.com)
  • Sinusitis and sensitivity to animal dander and dust mites are also risk factors for triggering viral asthma. (medicalnewstoday.com)
  • Evidence suggests that although scientists have made progress in understanding viral asthma, they need to understand it more to help prevent it. (medicalnewstoday.com)
  • A 2016 review notes that doctors may prescribe short-acting beta2-adrenergic receptor agonists inhalers and corticosteroids to help manage viral asthma. (medicalnewstoday.com)
  • Scientists are currently trying to develop new therapies and treatments for viral asthma. (medicalnewstoday.com)
  • In some cases, viral asthma may also require emergency treatment or hospitalization. (medicalnewstoday.com)
  • The virus for the common cold can be a primary trigger for viral asthma. (medicalnewstoday.com)
  • There can be quite a lot of wheezing with it making bronchiolitis hard to separate out from asthma both for parents and doctors. (familydoctor.co.nz)
  • Gaps in care, including high under 5 pneumonia mortality rates, the burden of bronchiolitis, and disparities in asthma management, demand immediate attention. (bcm.edu)
  • Infants hospitalized with bronchiolitis are at significantly increased risk for both recurrent wheezing and childhood asthma. (atsjournals.org)
  • To date, studies addressing the incidence of asthma after bronchiolitis severe enough to warrant hospitalization have focused almost exclusively on RSV, but a number of recent studies suggest that other respiratory pathogens, including RV, may contribute as well. (atsjournals.org)
  • It is not known whether viral bronchiolitis directly contributes to asthma causation or simply identifies infants at risk for subsequent wheezing, as from an atopic predisposition or preexisting abnormal lung function. (atsjournals.org)
  • Thus, many possible determinants exist that may contribute to the severity of bronchiolitis and the subsequent development of asthma. (atsjournals.org)
  • One such determinant is the potential involvement of genetic susceptibility loci to asthma after viral bronchiolitis, a critical area that is just beginning to be evaluated. (atsjournals.org)
  • Infants with bronchiolitis who develop symptoms severe enough to warrant hospitalization are at increased risk of developing recurrent wheezing or childhood asthma ( 1 - 6 ). (atsjournals.org)
  • It is also not known whether viral bronchiolitis (both inpatient and outpatient illnesses) contributes to asthma inception or simply identifies infants who are at increased risk for subsequent wheezing ( 2 , 7 - 10 ). (atsjournals.org)
  • BO and its clinical correlate bronchiolitis obliterans syndrome (BOS) affect up to 50-60% of patients who survive 5 yrs after surgery, irrespective of the type of transplant procedure 1 , 4 - 6 . (ersjournals.com)
  • Bronchiolitis typically presents in children under two years old and is characterized by a constellation of respiratory symptoms that consists of fever, rhinorrhea, cough, wheeze, tachypnea and increased work of breathing such as nasal flaring or grunting that develops over one to three days. (wikipedia.org)
  • Infants with mild bronchiolitis characteristically have cough, wheezing, nasal discharge, and chest recession with wheeze and crackles audible on chest auscultation. (bpac.org.nz)
  • If left untreated, patients with adult bronchiolitis may progress to develop cough , wheezing , and dyspnea . (wikidoc.org)
  • Objective: This article provides readers with an update on the evaluation, diagnosis, and treatment of viral bronchiolitis, primarily due to RSV. (benthamscience.com)
  • Bronchiolitis in children: The Saudi initiative of bronchiolitis diagnosis, management, and prevention (SIBRO). (benthamscience.com)
  • Age is also a key factor in establishing a diagnosis of bronchiolitis, as 85% of cases in New Zealand are in infants aged under 12 months. (bpac.org.nz)
  • Dr. Casola is a physician-scientist specialized in pediatric infectious diseases, with research expertise in the area of respiratory viral pathogens, lung inflammation, and cellular signaling. (utmb.edu)
  • Another respiratory condition that significantly impacts pediatric emergency departments is bronchiolitis. (bcm.edu)
  • Only a few pediatric studies have examined the use of HFNC, with most focusing on this modality for viral bronchiolitis. (nih.gov)
  • Bronchiolitis is a name that sounds like bronchitis but it is a quite different condition. (familydoctor.co.nz)
  • Common complications of adult bronchiolitis include chronic bronchitis , pneumonia , and death. (wikidoc.org)
  • However, there are many different types of viral bronchiolitis, with variations occurring at an individual and viral level. (ersjournals.com)
  • Bronchiolitis obliterans (BO) after LTx was first described in 1984 at Stanford University, Stanford, CA, USA, in heart-lung transplant recipients who showed a progressive decline inforced expiratory volume in one second (FEV 1 ) 3 . (ersjournals.com)
  • Can bronchiolitis cause lung problems later on? (cheo.on.ca)
  • Some forms of viral pneumonia, particularly adenoviral disease, tend to cause bronchiolitis obliterans and hyperlucent lung syndrome. (pediatriconcall.com)
  • Life-threatening respiratory symptoms can be seen in young infants with bronchiolitis and those with weak immune system. (medlineplus.gov)
  • Symptoms of the viral illness occur as a result of cell damage, tissue destruction, and the associated immune response. (medicinenet.com)
  • The symptoms of viral and bacterial illnesses are sometimes similar. (medicinenet.com)
  • Depending on the virulence of the organism, as well as the age and comorbidities of the patient, viral pneumonia can vary from a mild, self-limited illness to a life-threatening disease. (medscape.com)
  • Bronchiolitis can be a serious illness for babies and toddlers. (familydoctor.co.nz)
  • Bronchiolitis typically affects infants aged under 12 months, with young infants or those born premature at greater risk of severe illness. (bpac.org.nz)
  • Chronic bronchiolitis is the general term used for small airways disease in adults, notably in chronic obstructive pulmonary disease. (wikipedia.org)
  • However, chronic allograft dysfunction in the form of bronchiolitis obliterans remains a major hurdle that threatens both the quality of life and long-term survival of the recipients. (ersjournals.com)
  • Results: Respiratory syncytial virus (RSV) is the most common viral bronchiolitis in young children. (benthamscience.com)
  • The influenza viruses are the most common viral cause of pneumonia. (medscape.com)
  • This article discusses the alloimmune-dependent and -independent risk factors for bronchiolitis obliterans, the current understanding of the pathogenesis of bronchiolitis obliterans based on results of animal and human studies, the clinical staging of the complication, strategies that may contribute to the prevention and/or early detection of bronchiolitis obliterans, and suggestions for future research. (ersjournals.com)
  • Addressing these gaps necessitates the development and implementation of evidence-based guidelines, standardizing diagnostic criteria, and promoting appropriate supportive care measures to reduce hospitalizations and improve outcomes for children with bronchiolitis. (bcm.edu)
  • PIV pneumonia and bronchiolitis are caused primarily by the PIV-3 strain. (medscape.com)
  • Results: 39% of GPs did not refer to any guideline to manage infants with bronchiolitis, 33% did not routinely measure oxygen saturations, 48% prescribed an 'inappropriate' (evidence of no benefit) medication and 62% did not give written guidance to parents. (ox.ac.uk)
  • Tests such as a chest X-ray or viral testing are not routinely needed. (wikipedia.org)
  • Testing for the specific viral cause can be done but has little effect on management and thus is not routinely recommended. (wikipedia.org)
  • Unfortunately antibiotics do not help bronchiolitis because they are not able to kill off viruses. (familydoctor.co.nz)
  • Bronchiolitis is caused by a virus, so antibiotics won't help. (cheo.on.ca)
  • Background: Viral bronchiolitis is the leading cause of hospitalisation in infants in the UK with wide variation in rates of hospitalisation in different geographical regions of the UK. (ox.ac.uk)
  • Rates of hospitalisation for bronchiolitis in New Zealand have increased by approximately 50% since 2000. (bpac.org.nz)
  • Bronchiolitis causes airway obstruction, breathing difficulties , and wheezing . (medicalnewstoday.com)
  • Increased respiratory effort in infants with more severe bronchiolitis can result in difficulty feeding, reduced fluid intake and dehydration. (bpac.org.nz)
  • Conclusion: Viral bronchiolitis is common. (benthamscience.com)
  • Conclusion: There was wide variation in the management of infants with viral bronchiolitis by UK GPs. (ox.ac.uk)
  • Conclusion s: Bronchiolitis is one of the most common disease in the young children and is the frequent reason for hospitalization. (banglajol.info)
  • For mild bronchiolitis it can help to keep some steam in the air that the infant breathes. (familydoctor.co.nz)
  • We measured practice before the 2015 NICE bronchiolitis guideline against the guideline, to obtain a benchmark of practice. (ox.ac.uk)
  • Comparison of two oxygen saturation targets to decide on hospital discharge of infants with viral bronchiolitis living at high altitudes: a cost-effectiveness analysis. (ox.ac.uk)
  • OBJECTIVES: The objective of the current study was to evaluate the cost-effectiveness of two pulse oximetry (SpO2) thresholds to decide on hospital discharge when all other discharge criteria are met, in infants with viral bronchiolitis living at high altitudes. (ox.ac.uk)
  • RESULTS: Compared to the use of an SpO2 threshold of 90%, treating infants with viral bronchiolitis with the use of an SpO2 threshold of 85% resulted in lower total costs (US$119.39 vs. US$188.357 mean cost per patient) and a greater probability of discharge to home at day 4 of the initial hospitalization (0.8400 vs. 0.7600), therefore being a dominant strategy. (ox.ac.uk)
  • Despite scientific evidence proving that inhaled β 2 -adrenergic receptor (β 2 -AR) agonists can reverse bronchoconstriction in all ages, current guidelines advocate against the use of β 2 -AR bronchodilators in infants with viral bronchiolitis because clinical trials have not demonstrated an overall clinical benefit. (ersjournals.com)
  • Background: Viral bronchiolitis is a common condition and a leading cause of hospitalization in young children. (benthamscience.com)
  • Bronchiolitis in children. (benthamscience.com)
  • About 10% to 30% of children under the age of two years are affected by bronchiolitis at some point in time. (wikipedia.org)
  • 1 Between 2009 - 2013, approximately 6000 children per year were hospitalised with bronchiolitis. (bpac.org.nz)
  • Bronchiolitis happens most often in children under one year of age, and is the most common reason why babies are admitted to hospital. (cheo.on.ca)
  • Children can get bronchiolitis more than once, but it is usually milder the second time around. (cheo.on.ca)
  • Despite the high incidence of viral bronchiolitis, there is not yet a unified definition nor international agreement on diagnostic criteria of the disease: while in North America the presence of wheezing in infants aged up to 24 months is usually a criterion used for defining bronchiolitis, in the UK, the presence of inspiratory crackles in infants aged up to 12 months is the diagnostic criterion [ 4 ]. (ersjournals.com)
  • Although this association has been widely reported, the mechanisms underlying this increased incidence of wheezing after severe bronchiolitis are unclear. (atsjournals.org)
  • Infants who have severe bronchiolitis may need hospital admission for fluids, humidified oxygen, and close observation. (familydoctor.co.nz)
  • Cochrane evidence-based reviews have been performed on most treatment modalities for RSV and viral bronchiolitis. (benthamscience.com)
  • Treatment for viral bronchiolitis is mainly symptomatic support. (benthamscience.com)
  • Prognosis is generally excellent if viral in origin with full recovery upon completion of treatment. (wikidoc.org)
  • The virus which triggers bronchiolitis can easily be passed on to other infants. (familydoctor.co.nz)
  • The effect of high flow nasal cannula therapy on the work of breathing in infants with bronchiolitis. (emergencyfoundation.org.au)