Bronchial Provocation Tests
Methacholine Chloride
A quaternary ammonium parasympathomimetic agent with the muscarinic actions of ACETYLCHOLINE. It is hydrolyzed by ACETYLCHOLINESTERASE at a considerably slower rate than ACETYLCHOLINE and is more resistant to hydrolysis by nonspecific CHOLINESTERASES so that its actions are more prolonged. It is used as a parasympathomimetic bronchoconstrictor agent and as a diagnostic aid for bronchial asthma. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1116)
Asthma
Nasal Provocation Tests
Skin Tests
Metallurgy
The science, art, or technology dealing with processes involved in the separation of metals from their ores, the technique of making or compounding the alloys, the techniques of working or heat-treating metals, and the mining of metals. It includes industrial metallurgy as well as metallurgical techniques employed in the preparation and working of metals used in dentistry, with special reference to orthodontic and prosthodontic appliances. (From Jablonski, Dictionary of Dentistry, 1992, p494)
Forced Expiratory Volume
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.
Bronchial Hyperreactivity
Tendency of the smooth muscle of the tracheobronchial tree to contract more intensely in response to a given stimulus than it does in the response seen in normal individuals. This condition is present in virtually all symptomatic patients with asthma. The most prominent manifestation of this smooth muscle contraction is a decrease in airway caliber that can be readily measured in the pulmonary function laboratory.
Ergonovine
Resins, Plant
Flammable, amorphous, vegetable products of secretion or disintegration, usually formed in special cavities of plants. They are generally insoluble in water and soluble in alcohol, carbon tetrachloride, ether, or volatile oils. They are fusible and have a conchoidal fracture. They are the oxidation or polymerization products of the terpenes, and are mixtures of aromatic acids and esters. Most are soft and sticky, but harden after exposure to cold. (From Grant & Hackh's Chemical Dictionary, 5th ed & Dorland, 28th ed)
Allergens
Bronchoconstriction
Histamine
Saline Solution, Hypertonic
Angina Pectoris, Variant
Mannitol
A diuretic and renal diagnostic aid related to sorbitol. It has little significant energy value as it is largely eliminated from the body before any metabolism can take place. It can be used to treat oliguria associated with kidney failure or other manifestations of inadequate renal function and has been used for determination of glomerular filtration rate. Mannitol is also commonly used as a research tool in cell biological studies, usually to control osmolarity.
Vital Capacity
Respiratory Function Tests
Raynaud Disease
Drug Hypersensitivity
Rhinitis, Allergic, Seasonal
Vibration
Oxytocics
Drugs that stimulate contraction of the myometrium. They are used to induce LABOR, OBSTETRIC at term, to prevent or control postpartum or postabortion hemorrhage, and to assess fetal status in high risk pregnancies. They may also be used alone or with other drugs to induce abortions (ABORTIFACIENTS). Oxytocics used clinically include the neurohypophyseal hormone OXYTOCIN and certain prostaglandins and ergot alkaloids. (From AMA Drug Evaluations, 1994, p1157)
Alveolitis, Extrinsic Allergic
Hyperventilation
Rhinitis, Allergic, Perennial
Dermatophagoides pteronyssinus
Cromolyn Sodium
Ketotifen
Pelvic Pain
Pain in the pelvic region of genital and non-genital origin and of organic or psychogenic etiology. Frequent causes of pain are distension or contraction of hollow viscera, rapid stretching of the capsule of a solid organ, chemical irritation, tissue ischemia, and neuritis secondary to inflammatory, neoplastic, or fibrotic processes in adjacent organs. (Kase, Weingold & Gershenson: Principles and Practice of Clinical Gynecology, 2d ed, pp479-508)
Urticaria
Immunoglobulin E
Respiratory symptoms among glass bottle workers--cough and airways irritancy syndrome? (1/1269)
Glass bottle workers have been shown to experience an excess of respiratory symptoms. This work describes in detail the symptoms reported by a cohort of 69 symptomatic glass bottle workers. Symptoms, employment history and clinical investigations including radiology, spirometry and serial peak expiratory flow rate records were retrospectively analyzed from clinical records. The results showed a consistent syndrome of work-related eye, nose and throat irritation followed after a variable period by shortness of breath. The latent interval between starting work and first developing symptoms was typically 4 years (median = 4 yrs; range = 0-28). The interval preceding the development of dysponea was longer and much more variable (median = 16 yrs; range = 3-40). Spirometry was not markedly abnormal in the group but 57% of workers had abnormal serial peak expiratory flow rate charts. Workers in this industry experience upper and lower respiratory tract symptoms consistent with irritant exposure. The long-term functional significance of these symptoms should be formally investigated. (+info)Dose-response slope of forced oscillation and forced expiratory parameters in bronchial challenge testing. (2/1269)
In population studies, the provocative dose (PD) of bronchoconstrictor causing a significant decrement in lung function cannot be calculated for most subjects. Dose-response curves for carbachol were examined to determine whether this relationship can be summarized by means of a continuous index likely to be calculable for all subjects, namely the two-point dose response slope (DRS) of mean resistance (Rm) and resistance at 10 Hz (R10) measured by the forced oscillation technique (FOT). Five doses of carbachol (320 microg each) were inhaled by 71 patients referred for investigation of asthma (n=16), chronic cough (n=15), nasal polyposis (n=8), chronic rhinitis (n=8), dyspnoea (n=8), urticaria (n=5), post-anaphylactic shock (n=4) and miscellaneous conditions (n=7). FOT resistance and forced expiratory volume in one second (FEV1) were measured in close succession. The PD of carbachol leading to a fall in FEV1 > or = 20% (PD20) or a rise in Rm or R10 > or = 47% (PD47,Rm and PD47,R10) were calculated by interpolation. DRS for FEV1 (DRSFEV1), Rm (DRSRm) and R10 (DRSR10) were obtained as the percentage change at last dose divided by the total dose of carbachol. The sensitivity (Se) and specificity (Sp) of DRSRm, DRS10 delta%Rm and delta%R10 in detecting spirometric bronchial hyperresponsiveness (BHR, fall in FEV1 > or = 20%) were assessed by receiver operating characteristic (ROC) curves. There were 23 (32%) "spirometric" reactors. PD20 correlated strongly with DRSFEV1 (r=-0.962; p=0.0001); PD47,Rm correlated significantly with DRSRm (r=-0.648; p=0.0001) and PD47,R10 with DRSR10 (r=-0.552; p=0.0001). DRSFEV1 correlated significantly with both DRSRm (r=0.700; p=0.0001) and DRSR10 (r=0.784; p=0.0001). The Se and Sp of the various FOT indices to correctly detect spirometric BHR were as follows: DRSRm: Se=91.3%, Sp=81.2%; DRSR10: Se=91.3%, Sp=95.8%; delta%Rm: Se=86.9%, Sp=52.1%; and delta%R10: Se=91.3%, Sp=58.3%. Dose-response slopes of indices of forced oscillation technique resistance, especially the dose-response slope of resistance at 10Hz are proposed as simple quantitative indices of bronchial responsiveness which can be calculated for all subjects and that may be useful in occupational epidemiology. (+info)Exhaled and nasal NO levels in allergic rhinitis: relation to sensitization, pollen season and bronchial hyperresponsiveness. (3/1269)
Exhaled nitric oxide is a potential marker of lower airway inflammation. Allergic rhinitis is associated with asthma and bronchial hyperresponsiveness. To determine whether or not nasal and exhaled NO concentrations are increased in allergic rhinitis and to assess the relation between hyperresponsiveness and exhaled NO, 46 rhinitic and 12 control subjects, all nonasthmatic nonsmokers without upper respiratory tract infection, were randomly selected from a large-scale epidemiological survey in Central Norway. All were investigated with flow-volume spirometry, methacholine provocation test, allergy testing and measurement of nasal and exhaled NO concentration in the nonpollen season. Eighteen rhinitic subjects completed an identical follow-up investigation during the following pollen season. Exhaled NO was significantly elevated in allergic rhinitis in the nonpollen season, especially in perennially sensitized subjects, as compared with controls (p=0.01), and increased further in the pollen season (p=0.04), mainly due to a two-fold increase in those with seasonal sensitization. Nasal NO was not significantly different from controls in the nonpollen season and did not increase significantly in the pollen season. Exhaled NO was increased in hyperresponsive subjects, and decreased significantly after methacholine-induced bronchoconstriction, suggesting that NO production occurs in the peripheral airways. In allergic rhinitis, an increase in exhaled nitric oxide on allergen exposure, particularly in hyperresponsive subjects, may be suggestive of airway inflammation and an increased risk for developing asthma. (+info)Bradykinin-induced bronchospasm in the rat in vivo: a role for nitric oxide modulation. (4/1269)
Bradykinin has an important role in asthma pathogenesis, but its site of action is unclear. It was previously reported by the authors that bradykinin causes a dose-dependent reduction in dynamic compliance but little change in total lung resistance. This suggested that bradykinin may have a preferential effect in the distant lung. The purpose of the current investigation was to better characterize the effects of bradykinin on pulmonary resistance in rodents and explore the role of nitric oxide release in modulating the effect of bradykinin. Airway constriction was induced in the rats by aerosol administration of bradykinin with or without treatments with the inhaled bradykinin-2 receptor antagonist, Hoe 140 or the nitric oxide synthase inhibitors N(G)-nitro-L-arginine methylester or N(G)-monomethyl-L-arginine. Total lung resistance was partitioned into tissue and airway resistance by using the alveolar capsule method. Bradykinin induced a significant increase in both resistances. Hoe 140 abolished the response to bradykinin. The nitric oxide synthase inhibitors enhanced the bronchoconstricting response. In conclusion, the bradykinin response in the rats was not only localized to conducting airways but also involved a relatively selective tissue reaction. Bradykinin-induced bronchospasm in the rat is solely due to activation of bradykinin-2 receptor. Further, it was shown that nitric oxide significantly modulates the bronchospasm caused by bradykinin, suggesting that nitric oxide is an important modulator of airways responsiveness to bradykinin. (+info)Effect of inhaled corticosteroids on bronchial responsiveness in patients with "corticosteroid naive" mild asthma: a meta-analysis. (5/1269)
BACKGROUND: Inhaled corticosteroids are the most efficacious anti-inflammatory drugs in asthma. International guidelines also advocate the early introduction of inhaled corticosteroids in corticosteroid naive patients. A study was undertaken to assess the effects of inhaled corticosteroids on bronchial hyperresponsiveness in patients with corticosteroid naive asthma by conventional meta-analysis. METHODS: A Medline search of papers published between January 1966 and June 1998 was performed and 11 papers were selected in which the patients had no history of treatment with inhaled or oral corticosteroids. Bronchial responsiveness to bronchoconstricting agents was considered as the main outcome parameter. Doubling doses (DD) of histamine or methacholine were calculated. RESULTS: The total effect size of inhaled corticosteroids (average daily dose 1000 microg) versus placebo in the 11 studies was +1.16 DD (95% confidence interval (CI) +0.76 to +1.57). When only the eight short term studies (2-8 weeks) were analysed the effect size of the bronchoconstricting agent was +0.91 DD (95% CI +0.65 to +1.16). No relationship was found between the dose of inhaled corticosteroid used and the effect on bronchial responsiveness. CONCLUSION: This meta-analysis in patients with corticosteroid naive asthma indicates that, on average, high doses of inhaled corticosteroids decrease bronchial hyperresponsiveness in 2-8 weeks. It remains unclear whether there is a dose-response relationship between inhaled corticosteroids and effect on bronchial hyperresponsiveness. (+info)Update on the "Dutch hypothesis" for chronic respiratory disease. (6/1269)
BACKGROUND: Many patients with chronic obstructive lung disease show increased airways responsiveness to histamine. We investigated the hypothesis that increased airways responsiveness predicts the development and remission of chronic respiratory symptoms. METHODS: We used data from 24-year follow-up (1965-90) of 2684 participants in a cohort study in Vlagtwedde and Vlaardingen, Netherlands. Increased airways responsiveness was defined as a PC10 value (concentration of histamine for which challenge led to a 10% fall in forced expiratory volume in 1 s) of less than 8 mg/ml. Information on respiratory symptoms was collected by means of a standard questionnaire every 3 years. Logistic regression was used to control for age, area of residence, cigarette smoking status, and sex. FINDINGS: Participants with increased airways responsiveness (1281 observations) were more likely than those without increased airways responsiveness (5801 observations) to develop the following symptoms during any 3-year follow-up interval: chronic cough (odds ratio 1.9 [95% CI 1.2-2.9]), chronic phlegm (2.0 [1.3-3.0]), dyspnoea (2.3[1.5-3.5]), asthmatic attacks (3.7[2.2-6.1]), and persistent wheeze (2.7[1.7-4.4]). The estimate of the odds ratio for the development of any of the six symptoms was 1.7 (1.2-2.3). Participants with increased airways responsiveness were less likely than those without this characteristic to show remission of these respiratory symptoms. The estimate of the odds ratio for the remission of any of the six symptoms was 0.42 (0.28-0.61). INTERPRETATION: These prospective analyses show that increased airways responsiveness is positively associated with the development of chronic respiratory symptoms and negatively associated with the remission of these symptoms in adults. (+info)Effect of the leukotriene receptor antagonist pranlukast on cellular infiltration in the bronchial mucosa of patients with asthma. (7/1269)
BACKGROUND: It has been reported that pranlukast reduces the antigen induced immediate and late phase asthmatic responses, airway hyperreactivity to acetylcholine, and pulmonary eosinophil accumulation in guinea pigs. A study was undertaken to test the hypothesis that pranlukast may reduce the number of inflammatory cells in the bronchial mucosa of patients with asthma. METHODS: A double blind, placebo controlled study was performed in 17 mild to moderate asthmatic subjects to examine changes in inflammatory cell infiltration in response to pranlukast (225 mg orally twice per day for four weeks). Comparisons of the mean daily beta 2 agonist use, symptom score, FEV1 percentage predicted, and airway methacholine responsiveness were made before and after treatment. Using fibreoptic bronchoscopy, bronchial biopsy specimens were obtained before and after treatment with either pranlukast (n = 10) or placebo (n = 7). Immunohistology was performed using monoclonal antibodies for CD3, CD4, CD8, CD68, NP57, AA1, EG1, EG2, gamma GTP and CD19. RESULTS: When the pranlukast and placebo treated groups were compared there were decreases in beta 2 agonist use, symptom score, and airway methacholine responsiveness after pranlukast but no increase in FEV1 was seen. The clinical response in patients treated with pranlukast was accompanied by a reduction in CD3 (median difference -37, 95% confidence interval (CI) -69 to -1; p < 0.05), CD4 (median difference -28, 95% CI -49 to -8; p < 0.01), AA1 (median difference -15, 95% CI -26 to 0; p < 0.05) and EG2 positive cells (95% CI -35 to 0; p < 0.05), but not in EG1 positive eosinophils, gamma GTP positive cells, and CD19 positive plasma cells. CONCLUSIONS: These results support the view that pranlukast may act by inhibition of bronchial inflammation in patients with asthma. (+info)Clearance in small ciliated airways in allergic asthmatics after bronchial allergen provocation. (8/1269)
BACKGROUND: Asthma tends to affect mucociliary clearance, as assessed from measurements in large airways. However, there is no knowledge about clearance in the smallest airways of the tracheobronchial region in acute exacerbation of asthma. OBJECTIVE: The aim of the study was to investigate clearance from the bronchiolar region in patients with allergic asthma in a situation resembling a mild acute exacerbation of the disease. We also aimed to compare clearance data with corresponding data found for healthy subjects and asthmatics on therapy. METHODS: Tracheobronchial clearance was studied twice in 9 patients with mild asthma of the allergic type after inhalation of 6 microm (aerodynamic diameter) monodisperse Teflon particles labelled with 111In. At one exposure, inhalation was performed 4 h after bronchial provocation with an allergen the patients were allergic to. The second exposure was a control measurement. The particles were inhaled at an extremely slow flow, 0.05 liter/s, which gives deposition mainly in the small ciliated airways (bronchioles). Lung retention was measured at 0, 24, 48 and 72 h. RESULTS: All patients demonstrated an early asthmatic reaction of varying degree after bronchial provocation. There was significant clearance of radioaerosol in each 24-hour period for both exposures, with the possible exception of the period between 24 and 48 h for the provocation exposure, with similar fractions of retained particles at all points of time. The retained fractions were significantly larger compared to a group of healthy subjects and asthmatics on regular treatment with anti-inflammatory drugs. CONCLUSIONS: Our results indicate that in allergic asthmatics a bronchial allergen provocation with an early asthmatic reaction does not significantly influence overall clearance from the bronchiolar region. However, in the present group of patients, retention in small ciliated airways was significantly higher compared to healthy subjects and asthmatics on regular treatment. (+info)Bronchodilator response to salbutamol after spontaneous recovery from nonspecific bronchial provocation tests in asthma
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List of MeSH codes (E01)
... bronchial provocation tests MeSH E01.370.386.700.150 - capnography MeSH E01.370.386.700.250 - exercise test MeSH E01.370. ... Nasal provocation test MeSH E01.370.386.700 - respiratory function tests MeSH E01.370.386.700.050 - airway resistance MeSH ... intradermal tests MeSH E01.370.750.300.400 - kveim test MeSH E01.370.750.300.750 - skin test end-point titration MeSH E01.370. ... intradermal tests MeSH E01.450.495.750.300.540 - kveim test MeSH E01.450.495.750.300.750 - skin test end-point titration MeSH ...
Asthma trigger
"Cellular Events in the Bronchi in Mild Asthma and after Bronchial Provocation". American Review of Respiratory Disease. 139 (3 ... "Guidelines for Methacholine and Exercise Challenge Testing-1999". American Journal of Respiratory and Critical Care Medicine. ... Beta-blocker, or beta-adrenergic antagonists, may also induce bronchial constriction and block the action of other beta- ... causing bronchial hyperresponsiveness, bronchoconstriction, excessive mucus secretion, airflow obstruction and an asthma attack ...
Allergic rhinitis
... the nasal provocation testing necessary to diagnose the condition was not widely available.: 617 Prevention often focuses on ... This IL-33/ST2 signaling pathway has been found to be one of the main genetic determinants in bronchial asthma pathogenesis, ... Skin testing is the most common method of allergy testing. This may include a patch test to determine if a particular substance ... The intradermal allergy test is more sensitive than the skin prick test, but is also more often positive in people that do not ...
Histamine intolerance
Rather than increase histamine during the test diet, eliminate it. This procedure does not endanger the patient. Quite the ... ISBN 978-3-7776-2349-8. "Histamine intolerance: lack of reproducibility of single symptoms by oral provocation with histamine: ... However, since many complaints such as headaches, migraines, bronchial asthma, hypotension, arrhythmia and dysmenorrhea ( ... Histamin Intoleranz "Histamine intolerance: Causes, symptoms, and test". Medical News Today. 16 April 2021. Vogelreuter, Axel ( ...
Richard Cobden
He did not wait long after his admission into that assembly in bringing their predictions to the test. Parliament met on 19 ... For several years Cobden had been suffering severely at intervals from bronchial irritation and a difficulty of breathing. ... Napoleon was represented as contemplating a sudden and piratical descent upon the British coast without pretext or provocation ...
Miles Davis
Witnesses said the policeman hit Davis in the stomach with a nightstick without provocation. Two detectives held the crowd back ... John's Hospital near his home in Santa Monica, California, for routine tests. Doctors suggested he have a tracheal tube ... implanted to relieve his breathing after repeated bouts of bronchial pneumonia. The suggestion provoked an outburst from Davis ...
Vocal Cord Dysfunction Treatment & Management: Medical Care, Consultations, Diet
Vocal cord dysfunction: the importance of psychologic factors and provocation challenge testing. J Allergy Clin Immunol. 1987 ... Bucca C, Rolla G, Brussino L, De Rose V, Bugiani M. Are asthma-like symptoms due to bronchial or extrathoracic airway ... Formal psychological testing in patients with paradoxical vocal fold dysfunction. Laryngoscope. 2008 Apr. 118(4):740-7. [QxMD ...
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Vocal Cord Dysfunction Treatment & Management: Medical Care, Consultations, Diet
Vocal cord dysfunction: the importance of psychologic factors and provocation challenge testing. J Allergy Clin Immunol. 1987 ... Bucca C, Rolla G, Brussino L, De Rose V, Bugiani M. Are asthma-like symptoms due to bronchial or extrathoracic airway ... Formal psychological testing in patients with paradoxical vocal fold dysfunction. Laryngoscope. 2008 Apr. 118(4):740-7. [QxMD ...
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Vocal Cord Dysfunction Differential Diagnoses
Vocal cord dysfunction: the importance of psychologic factors and provocation challenge testing. J Allergy Clin Immunol. 1987 ... Bucca C, Rolla G, Brussino L, De Rose V, Bugiani M. Are asthma-like symptoms due to bronchial or extrathoracic airway ... Formal psychological testing in patients with paradoxical vocal fold dysfunction. Laryngoscope. 2008 Apr. 118(4):740-7. [QxMD ...
Code System Concept
Inhalation bronchial challenge testing (procedure) {15435001 , SNOMED-CT } Inhalational provocation test (procedure) {252518009 ...
Status Asthmaticus Treatment & Management: Approach Considerations, Beta2-Agonists, Anticholinergics
... allergy testing (if indicated), control of environmental factors, and consistent follow-up testing and manipulation of ... In addition, corticosteroids can decrease bronchial hypersensitivity, reduce the recovery of eosinophils and mast cells in ... and activate properties that may prevent late bronchoconstrictive responses to allergies and provocation. ... Children with asthma commonly present with normal (FEV1), and, accordingly, more sensitive lung function testing should be ...
IMSEAR at SEARO: Search
1 Bronchial Provocation Tests. *1 Dogs. *1 Histamine --pharmacology. *1 Pulmonary Circulation --drug effects ...
Status Asthmaticus Treatment & Management: Approach Considerations, Beta2-Agonists, Anticholinergics
... allergy testing (if indicated), control of environmental factors, and consistent follow-up testing and manipulation of ... In addition, corticosteroids can decrease bronchial hypersensitivity, reduce the recovery of eosinophils and mast cells in ... and activate properties that may prevent late bronchoconstrictive responses to allergies and provocation. ... Children with asthma commonly present with normal (FEV1), and, accordingly, more sensitive lung function testing should be ...
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Status Asthmaticus Treatment & Management: Approach Considerations, Beta2-Agonists, Anticholinergics
... allergy testing (if indicated), control of environmental factors, and consistent follow-up testing and manipulation of ... In addition, corticosteroids can decrease bronchial hypersensitivity, reduce the recovery of eosinophils and mast cells in ... and activate properties that may prevent late bronchoconstrictive responses to allergies and provocation. ... Children with asthma commonly present with normal (FEV1), and, accordingly, more sensitive lung function testing should be ...
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Code System Concept
Bronchial provocation test (procedure) {165011001 , SNOMED-CT } Complex lung function test (procedure) {426345008 , SNOMED-CT ... PFT - Pulmonary function tests Current Synonym true false 39331011 Measurement of respiratory function Current Synonym true ... Inhalation bronchial challenge testing (procedure) {15435001 , SNOMED-CT } Maximal voluntary ventilation measurement (procedure ... Hypoxia altitude simulation test (procedure) {440011007 , SNOMED-CT } Hypoxia altitude simulation test with supplemental oxygen ...
Status Asthmaticus Treatment & Management: Approach Considerations, Beta2-Agonists, Anticholinergics
... allergy testing (if indicated), control of environmental factors, and consistent follow-up testing and manipulation of ... In addition, corticosteroids can decrease bronchial hypersensitivity, reduce the recovery of eosinophils and mast cells in ... and activate properties that may prevent late bronchoconstrictive responses to allergies and provocation. ... Children with asthma commonly present with normal (FEV1), and, accordingly, more sensitive lung function testing should be ...
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Bronchial Thermoplasty Benefits Asthma Sufferers Long Term
Bronchial provocation test. Positive. Reversible. Unknown from specialist clinic. Asthma control. Stable control ,6 weeks. ... Bronchial thermoplasty gives long-lasting relief after just a few treatments.. Results from the AIR2 pivotal trial show ... Previous trials of bronchial thermoplasty have used similar but slightly different selection criteria. Of 136 patients in this ... She noted that bronchial thermoplasty is not without risks, particularly exacerbations and hospitalizations immediately after ...
Bronchial Provocation Testing: The Future
Are bronchiopulmonary tests the best way to confirm a diagnosis of asthma or exercise-induced bronchoconstriction? ... Introduction: Bronchial Provocation Tests: The Future is Here. *Stimuli Used for Bronchial Provocation Test Act Either Directly ... Introduction: Bronchial Provocation Tests: The Future is Here. *Stimuli Used for Bronchial Provocation Test Act Either Directly ... Purpose of review Performing a bronchial provocation test (BPT) using a direct or indirect stimulus to identify bronchial hyper ...
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Occupational asthma: MedlinePlus Medical Encyclopedia
Dietary magnesium, lung function, wheezing, and airway hyperreactivity in a random adult population sample
We tested the hypothesis that high dietary magnesium intake is associated with better lung function, and a reduced risk of ... Bronchial Hyperreactivity / etiology * Bronchial Hyperreactivity / prevention & control* * Bronchial Provocation Tests * Diet * ... We tested the hypothesis that high dietary magnesium intake is associated with better lung function, and a reduced risk of ... and atopy as the mean skin-prick test response to three common environmental allergens. We measured airway reactivity to ...
External Education Opportunities / Opportunités de formation externe - CSRT
Reevaluation of Diagnosis in Adults With Physician-Diagnosed Asthma
All participants were assessed with home peak flow and symptom monitoring, spirometry, and serial bronchial challenge tests, ... whom a diagnosis of current asthma was ultimately ruled out were followed up clinically with repeated bronchial challenge tests ... Participants using long-term oral steroids and participants unable to be tested using spirometry were excluded. Information ... or bronchial hyperresponsiveness after having all asthma medications tapered off and after a study pulmonologist established an ...
NIOSHTIC-2 Search Results - Full View
A variety of different bronchial provocation methods have been described to test for specific bronchial hyperresponsiveness. ... NIOSH-Publication; Respiratory-system-disorders; Bronchial-asthma; Lung-function; Pulmonary-function; Aerosols; Aerosol- ... dosage regimen of histamine and methacholine and generates the aerosol using a Wrights nebulizer primed with 5 milliliter test ...
Allergome - Che a 3
Allergome - Par o 1
The impact of smoking cessation on respiratory symptoms, lung function, airway hyperresponsiveness and inflammation | European...
Israel RH, Ossip-Klein DJ, Poe RH, et al. Bronchial provocation tests before and after cessation of smoking. Respiration 1988; ... Allergen Provocation Tests in Respiratory Research: Building on 50 Years of Experience ... Bronchial reactivity to inhaled histamine and annual rate of decline in FEV1 in male smokers and ex-smokers. Thorax 1985;40:9- ... Bronchial reactivity, smoking, and α1‐antitrypsin. A population-based study of middle-aged men. Am Rev Respir Dis 1982;126:864- ...
The aspirin disease | Thorax
The bronchial28 and nasal25 provocation tests are less dangerous but are probably less sensitive. These tests can be used as ... an oral provocation test with aspirin should be undertaken.27 This test is not free from risks and needs to be undertaken by a ... 1991) Nasal provocation test with lysine acetylsalicylate in aspirin-sensitive patients. Ann Allergy 67:60-62, . ... A nasal provocation test with lysine-acetylsalicylate was performed in all patients using the technique described previously.25 ...
The Prohibited List | World Anti Doping Agency
Mannitol by inhalation is permitted e.g. to perform bronchial provocation testing in asthma. ... The National Anti-Doping Organizations are no longer obliged to conduct tests but may assist IF and National Federations where ... After administration of glucocorticoids, an Adverse Analytical Finding (positive doping test) can be reached for different ... may also contain THC and other cannabinoids that could result in a positive test for a prohibited cannabinoid. ...
Plus it
Quantitative skin prick and bronchial provocation tests with platinum salt. Br J Ind Med 1991;48:830-837. ... Clinical, bronchial provocation, and immunologic studies. Am Rev Respir Dis 1983;128:226-230. ... T‐cell clones derived from bronchial mucosa of subjects with OA caused by LMW agents produce IL‐5 and IFN‐γ, but not IL‐4 119- ... Park JW, Kim CW, Kim KS, et al. Role of skin prick test and serological measurement of specific IgE in the diagnosis of ...
Articles in press | Archivos de Bronconeumología
Upper airway obstruction masquerading as exercise induced bronchospasm in an elite road cyclist | British Journal of Sports...
... may be made by careful history taking and is supported by normal standard lung function and bronchial provocation tests and ... Based on the history of inspiratory stridor, lack of response to medication, and normal provocation tests, a diagnosis of ... However, when symptoms are atypical, standard lung function or provocation tests are normal, or response to medication is poor ... provocation tests are negative, and if response to medication is poor.. Take home message. Awareness of vocal cord dysfunction ...
topic:"Adolescent" found 57100 records • Arctic Health
The specific diagnosis was confirmed by skin prick tests, specific IgE, and bronchial provocation tests with HDM allergens. The ... Bronchial Provocation Tests Double-Blind Method Female Forced expiratory volume Glycoproteins - administration & dosage - ... Predictive value of tests Quality-Adjusted Life Years Recurrence Treatment Outcome Abstract. To evaluate the costs, ... Skin Tests Steroids - therapeutic use Vital Capacity Abstract. Thirty-one adult patients with asthma caused by house-dust mites ...
March 2018 - Volume 17 - Issue 3 - Contributor Index : Current Sports Medicine Reports
... of EIA/EIB/EIC should first be evaluated with baseline spirometry and then with an appropriate bronchial provocation test to ... of EIA/EIB/EIC should first be evaluated with baseline spirometry and then with an appropriate bronchial provocation test to ... of EIA/EIB/EIC should first be evaluated with baseline spirometry and then with an appropriate bronchial provocation test to ...
IMSEAR at SEARO: Effect of intraesophageal acid instillation on airway reactivity in patients with asthma.
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Pulmonary Function Testing: Spirometry, Lung Volume Determination, Diffusing Capacity of Lung for Carbon Monoxide
Methacholine Challenge Testing. Synonyms. Mecholyl challenge, bronchial provocation test. Indications. It is used diagnose ... Six-Minute Walk Test. Background. The six-minute walk test (6mwt) is a test that can aid in assessing the functional capacity ... ERS technical standard on bronchial challenge testing: general considerations and performance of methacholine challenge tests. ... CPX test is used for evaluation of dyspnea that is out of proportion to findings on static pulmonary function tests, ...
Code System Concept
Bronchial provocation test (procedure) {165011001 , SNOMED-CT } Parent/Child (Relationship Type) Exercise bronchial provocation ... BPT - Bronchial provocation test Current Synonym true false 256638016 Bronchial provocation test Current Synonym true false ... Bronchial provocation test (procedure). Code System Preferred Concept Name. Bronchial provocation test (procedure). ...
Pediatrics - Publications
- Oregon Health & Science University
SNOMED CT Browser - FHIR Server FHIR Server
Exercise bronchial provocation test (procedure). Is a. True. Bronchial provocation test. geïnfereerde relatie. existentiële ... Bronchial provocation test with allergen. Is a. True. Bronchial provocation test. geïnfereerde relatie. existentiële restrictie ... Inhalational provocation test. false. geïnfereerde relatie. existentiële restrictie (metadata). Bronchial provocation test. Is ... Bronchial provocation test. Method. Measurement - action. true. geïnfereerde relatie. existentiële restrictie (metadata). 1. ...
List of MeSH codes (E01) - Wikipedia
... bronchial provocation tests MeSH E01.370.386.700.150 - capnography MeSH E01.370.386.700.250 - exercise test MeSH E01.370. ... Nasal provocation test MeSH E01.370.386.700 - respiratory function tests MeSH E01.370.386.700.050 - airway resistance MeSH ... intradermal tests MeSH E01.370.750.300.400 - kveim test MeSH E01.370.750.300.750 - skin test end-point titration MeSH E01.370. ... intradermal tests MeSH E01.450.495.750.300.540 - kveim test MeSH E01.450.495.750.300.750 - skin test end-point titration MeSH ...
JIACI · Journal of Investigational Allergology and Clinical Immunology
publications on the use and standardization of bronchial provocation tests with allergen, few analyze specific NPT. In this ... Specific nasal provocation testing (NPT) consists of eliciting a response from the nasal mucosa by controlled exposure to ... Allergen-Specific Nasal Provocation Testing: Review by the Rhinoconjunctivitis Committee of the Spanish Society of Allergy and ... Key words: Nasal provocation test. Allergen-specific. Allergic rhinitis. Acoustic rhinometry. Rhinomanometry. Nasal nitric ...
HyperresponsivenessAllergenObstructionAirwayAllergyInhalationAllergicSymptomsAirwaysMeasurementPulmonary funcNasal provocationAirflowStandardizationBronchoconstrictionChronicAllergensDiagnosis of asthmaClinicalMethacholine testConfirm the diagnosisHypersensitivityIntradermalInflammationAdultsAsthmatic patientsPatientsEucapnicHistamineClinicallySpecificBaselineMeSHLaboratoryPeakSpirometry testPositiveCiteExercise induced bronchospasmAdult
Hyperresponsiveness9
- The primary outcome was the proportion of participants in whom a diagnosis of current asthma was ruled out, defined as participants who exhibited no evidence of acute worsening of asthma symptoms, reversible airflow obstruction, or bronchial hyperresponsiveness after having all asthma medications tapered off and after a study pulmonologist established an alternative diagnosis. (nih.gov)
- Clinical assessment of bronchial hyperresponsiveness due to nonspecific and specific agents. (cdc.gov)
- A variety of different bronchial provocation methods have been described to test for specific bronchial hyperresponsiveness. (cdc.gov)
- Smoking cessation clearly improves respiratory symptoms and bronchial hyperresponsiveness, and prevents excessive decline in lung function in all three groups. (ersjournals.com)
- Consequently, the primary aim of the present review is to provide an overview of the effects of smoking cessation on respiratory symptoms, lung function (FEV 1 and extent of longitudinal decline in FEV 1 ), bronchial hyperresponsiveness, and the pathological and inflammatory changes in the lungs of the above-mentioned groups. (ersjournals.com)
- The main findings were, to our surprise, there was no benefit of high dose omega-3 fatty acid supplements on bronchial hyperresponsiveness to mannitol over 3 weeks. (medicalresearch.com)
- This prospective randomised placebo-controlled study demonstrated no efficacy of omega-3 fatty acid supplements on bronchial hyperresponsiveness and airway inflammation in persons with active symptomatic asthma and who were either taking regular inhaled corticosteroids, or beta2 agonists alone, for management of their asthma symptoms. (medicalresearch.com)
- The AR is a risk factor for the development of obstruction in lower airways and clinical studies with asthmatic patients demonstrated reduction of bronchial hyperresponsiveness and asthma symptoms after just nasal topical treatment. (unicamp.br)
- What factors are associated with bronchial hyperresponsiveness (BHR) in adolescents with childhood asthma? (e-cep.org)
Allergen8
- Although there have been many studies and publications on the use and standardization of bronchial provocation tests with allergen, few analyze specific NPT. (jiaci.org)
- prick test , consist of the administration of the allergen or substance suspected of causing the allergic reaction. (diater.com)
- This technique is used by the specialist when the skin prick tests are negative and the specialist suspects that the allergen in question is causing the allergic reaction. (diater.com)
- The test consists of the administration of a small amount of allergen or suspected substance under the surface of the skin. (diater.com)
- For this test, the suspected allergen of the allergic reaction is administered, through one of the following organs: nose, conjunctiva (eyes) or respiratory tract (lung), in order to reproduce the symptoms that could appear when an allergic individual is exposed naturally to an allergen. (diater.com)
- Skin intradermal testing confirmed that both cases were due to immune-mediated anaphylaxis to cisatracurium, despite the fact that neither of the patients had been exposed to the allergen previously. (ekja.org)
- Once we inhale the allergen (dust mites, pollen, animal dander, etc.) and it comes into contact with the bronchial mucosa, a process begins in which different cells and inflammatory mediators intervene. (clinicalbcn.es)
- In CRS patients, we assessed the parameters associated with FA including prick skin test (PST) reactivity to food allergens, serum levels of allergen-specific IgE and cytokines (IL-4, IL-13, IFN-Î 3 ), and the number/reactivity of food-allergen specific Th1/Th2 cells in the peripheral blood before and 2 months after sinus surgery. (biomedcentral.com)
Obstruction2
- With the more sensitive plethysmographic method of detecting airways obstruction, a significant increase in postexercise bronchial tone was found also in the NEIA group. (onlineasthmainhalers.com)
- Bronchial asthma is a chronic inflammatory disease of the airways that causes variable airflow obstruction. (clinicalbcn.es)
Airway10
- Further, a positive methacholine test alone should be interpreted with caution as it may reflect airway injury rather than asthma or EIB. (medscape.com)
- A positive methacholine test may reflect transient airway injury rather than asthma. (medscape.com)
- We tested the hypothesis that high dietary magnesium intake is associated with better lung function, and a reduced risk of airway hyper-reactivity and wheezing in a random sample of adults. (nih.gov)
- 4 ] have attempted to determine how important an increase in smooth muscle mass could be as a contributor to exaggerated airway narrowing in a computer model of the tracheo-bronchial tree. (sch.ac.kr)
- Inflammation in the ASM bundles and submucosa of bronchial biopsies is positively associated with impaired airway mechanics during DI in asthma [ 7 ]. (sch.ac.kr)
- Bronchial challenge tests may be used to assess airway reactions to specific allergens and other sensitizing agents and also to quantify non-allergic airway responsiveness to pharmacological agents such as methacholine or histamine. (sch.ac.kr)
- and 2) another distinct phenotype with onset of symptoms during the sporting career, through repeated heavy training and competitions, presenting with bronchial responsiveness to a eucapnic hyperventilation test and a variable association with atopic markers and eosinophilic airway inflammation. (ersjournals.com)
- EVH is a provocative test to diagnose exercise-induced airway narrowing. (ganshorn.de)
- According to the results of lung function tests and bronchial provocation 154 patients 392 had asthma 5 13 COPD and 234 595 no obstructive airway disease OAD Fig. (chartexamples.com)
- If the bronchial mucosa becomes inflamed, the diameter of the airway decreases and symptoms occur. (clinicalbcn.es)
Allergy8
- Allergy intradermal skin test - although allergy tests aren't used to diagnose asthma, they can help identify substances that may be causing or worsening asthma. (healthpinions.com)
- The diagnosis of the allergy is made using simple tests - both skin tests and blood tests. (diater.com)
- The provocation test, is another complementary method of diagnosis of the allergy. (diater.com)
- Controversies in drug allergy: Testing for delayed reactions. (vanderbilt.edu)
- Impact of an Integrated Antibiotic Allergy Testing Program on Antimicrobial Stewardship: A Multicenter Evaluation. (vanderbilt.edu)
- We recommend that you see an allergy specialist for medical evaluation and testing as appropriate. (clinicalbcn.es)
- 2. Other allergy tests that require preauthorization include patch testing for more than 80 units, intradermal dilution testing, oral challenge testing and pulmonary function testing. (qualchoice.com)
- Intradermal (Intracutaneous) allergy testing (95024, 95028) is performed when percutaneous tests are negative. (qualchoice.com)
Inhalation3
- Acquérir les connaissances et les compétences nécessaires pour éduquer efficacement les patients sur l'utilisation des médicaments en inhalation. (csrt.com)
- Hyperactivity can be demonstrated by bronchial provocation tests where inhalation of a gradually increasing concentration of either methacholine or histamine, may induce a transient episode of airflow limitation in susceptible individuals. (gpnotebook.com)
- Bronchial inhalation challenge tests have been used for several decades as means of modeling asthma for investigative purposes. (sch.ac.kr)
Allergic14
- It is indicated in the diagnostic confirmation of allergic rhinitis and when discrepancies arise or difficulties exist in the assessment of a patient s medical history and the results of skin and/or serological tests. (jiaci.org)
- Generally, prick tests are safe, and they do not present a risk of an allergic reaction. (diater.com)
- However, generalised allergic reactions have sometimes been described with the conduct of these tests. (diater.com)
- Intradermal testing is another diagnostic method that helps determine whether an individual is allergic to a specific substance. (diater.com)
- This test is conducted if there is an allergic conjunctival condition. (diater.com)
- This test is conducted in the event of allergic rhinitis. (diater.com)
- The provocation tests reproduce the allergic symptoms in the affected target organ. (diater.com)
- The goal of this study was to test whether indoleamine 2,3 dioxygenase (IDO) participates in the pathogenesis of pediatric allergic asthma by influencing Th17/regulatory T cell (Treg) differentiation and related cytokines. (biomedcentral.com)
- The FeNO significantly decreased in 7 of 16 patients with a positive challenge test within 60 to 90 minutes after the first symptoms of an allergic reaction. (biomedcentral.com)
- AD is associated with other atopic diseases such as allergic rhinoconjunctivitis or bronchial asthma. (skintherapyletter.com)
- Patients with the intrinsic or "non-allergic" form of AD have no associated respiratory diseases, such as bronchial asthma or allergic rhinitis, show normal total serum IgE levels, no specific IgE, and negative atopy patch tests. (skintherapyletter.com)
- As adjunctive laboratory tests for disease activity of allergic bronchopulmonary aspergillosis (ABPA) and certain parasitic diseases. (qualchoice.com)
- Skin Patch Testing (95044) for diagnosing contact allergic dermatitis. (qualchoice.com)
- Diagnostic Accuracy of Vaccine and Vaccine Excpient Testing in the Setting of Allergic Reactions to COVID-19 Vaccines: A Systematic Review and Meta-analysis. (amedeo.com)
Symptoms7
- Purpose of review Performing a bronchial provocation test (BPT) using a direct or indirect stimulus to identify bronchial hyper-responsiveness (BHR) reduces the possibility of over and under-diagnosis of asthma based on history and symptoms. (medscape.com)
- type A characterised by respiratory symptoms (bronchial asthma, rhinitis) which account for about 15% of cases, and type B with urticaria and angio-oedema which occur in more than 75% of cases. (bmj.com)
- The strict interrelationship between aspirin intolerance, bronchial asthma, and nasal polyposis has been confirmed by the statistical association between the prevalence rates of the different symptoms of the disease. (bmj.com)
- However, when symptoms are atypical, standard lung function or provocation tests are normal, or response to medication is poor, other causes of exercise induced dyspnoea should be sought. (bmj.com)
- An exercise test for exercise induced bronchospasm, involving 10 min exercise on a cycle ergometer to maximum levels of exercise, was normal and reproduction of symptoms did not occur during the test. (bmj.com)
- Athletes with symptoms suggestive of EIA/EIB/EIC should first be evaluated with baseline spirometry and then with an appropriate bronchial provocation test to confirm the diagnosis. (lww.com)
- Although the percentage of the population with the condition can be seen as reasonably low compared to other diseases, the health risks associated with asthma-e.g., pneumonia, narrowing and thickening of bronchial tubes, severe chest pain, and respiratory symptoms or failure-can be severe. (healthmatch.io)
Airways4
- Bronchial provocation testing - irritates your airways to check for asthma. (mainlinehealth.org)
- Respiratory disease is surely an soreness of this bronchial tubes (airways), which create air flow to and from the respiratory system. (buzrush.com)
- Whenever the bronchial pipes are inflamed, the coating, or mucous membrane, of a airways swells and expands heavier. (buzrush.com)
- Of 101 patients with chronic cough (with no history of sinusitis, recent pulmonary infection, bronchitis, gasteroesophageal reflux or underlying pulmonary conditions), 51.5% showed reactive airways disease to the methacholine test, 40.6% were unreactive and 7.9% were indeterminate. (who.int)
Measurement2
- All patients underwent IgE and RAST tests for the most common inhalant allergens, and a quantitative measurement of Eosinophil Cationic Protein (ECP) by CAP-radioallergosorbent test-fluorescence enzyme immunoassay (UniCAP, Pharmacia Diagnostics, Germany). (ijbm.org)
- Sensitisation to common aeroallergens (grass and tree pollen, animal dander, dust mites and moulds) was determined by skin prick tests with commercially available extracts (Allergopharma, Reinbek, Germany), and/or by specific IgE measurement by UniCAP™ System (Thermo Fisher Scientific, Uppsala, Sweden). (biomedcentral.com)
Pulmonary func1
- The subjects were evaluated via a pulmonary function test, a skin prick test, and an eosinophil count. (biomedcentral.com)
Nasal provocation2
- Specific nasal provocation testing (NPT) consists of eliciting a response from the nasal mucosa by controlled exposure to allergens. (jiaci.org)
- Patients underwent protocol nasal provocation test with histamine assessed by symptom scores, acoustic rhinometry and spirometry. (unicamp.br)
Airflow1
- It is possible to test for nocturnal asthma by taking measurements of airflow out of the lungs during expiration in the evening and again upon awakening in the morning. (orthopedicshealth.com)
Standardization2
- Report Working Party Standardization of Lung Function Tests, European Community for Steel and Coal. (ijbm.org)
- Labial human gland secretion charge has been believed from your standardization blackberry curve generated from suggest values obtained from quantitative tests using spittle extracted from 3 wholesome volunteers. (mirna1.com)
Bronchoconstriction3
- Twenty percent of patients with a negative test result to methacholine or mannitol may still have exercise-induced bronchoconstriction. (medscape.com)
- FEV 1 ) occurring after a standardised exercise test is called exercise-induced bronchoconstriction (EIB). (ersjournals.com)
- attempted to validate these findings by using inhaled mannitol, a bronchial provocation test that was derived from the understanding of exercise-induced bronchoconstriction and which has demonstrated experimentally to be a useful model for exercise-induced bronchoconstriction. (medicalresearch.com)
Chronic3
- Although the methacholine challenge test is not a primary test for evaluating chronic cough, if no other reason for chronic cough is found, it may be a guiding test for asthma. (who.int)
- Current guidelines do not recommend performing aeroallergen skin prick testing (SPT) in chronic spontaneous urticaria (CSU). (biomedcentral.com)
- Pulmonary diffusing capacity for CO (DL CO ) and cardiac output (Q) were simultaneously measured by a noninvasive rebreathing method (RB) in 15 normal subjects and in 60 patients, including cardiac diseases (CD), bronchial asthma (BA), chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (PF). (go.jp)
Allergens2
- In 2633 adults aged 18-70 sampled from the electoral register of an administrative area of Nottingham, UK, we measured dietary magnesium intake by semiquantitative food-frequency questionnaire, lung function as the 1-sec forced expiratory volume (FEV1), and atopy as the mean skin-prick test response to three common environmental allergens. (nih.gov)
- A correct diagnosis begins with the conduct of skin tests with allergens, also called Prick Tests. (diater.com)
Diagnosis of asthma2
- Recent findings A high frequency of negative methacholine tests has been reported in 240 patients given a diagnosis of asthma at the end of the study, many of whom had documented EIB. (medscape.com)
- Summary It is likely that both a direct test and an indirect test result may be required in some patients in order to confirm or exclude a diagnosis of asthma with certainty. (medscape.com)
Clinical7
- An increasing number of reports concerning the existence of a relationship between bronchial asthma and the presence of nasal polyposis in the clinical picture of hypersensitivity reactions to aspirin has been accumulating in the literature since the late 1920s. (bmj.com)
- All the children were divided into two groups, based on their atopic status, clinical date and lung function tests. (ijbm.org)
- 2 Clinical Practice Guidelines for General Practitioners Bronchial Asthma Purpose of the ResearchTo improve and unify bronchial asthma diagnosis treatment and pro-phylaxis techniques in primary healthcare. (chartexamples.com)
- The clinical vascular scientist can comment briefly on the findings and will write a report for the consultant who requested the test. (cuh.nhs.uk)
- Clinical manifestations supported by skin tests and invitro parameters are valuable. (gotomydoctor.com)
- The diagnosis was based on history, clinical evaluation, and radiologic patterns, including provocation tests or home challenge tests. (buy-asthma-inhalers-online.com)
- Hypersensitivity pneumonitis of unknown cause was diagnosed by the clinical course, especially improvement during hospitalization and deterioration during home challenge tests, and histologic examinations. (buy-asthma-inhalers-online.com)
Methacholine test1
- This suggests that a negative methacholine test should not be relied upon to rule out asthma. (medscape.com)
Confirm the diagnosis1
- 15 Objective testing to confirm the diagnosis should be considered at a later date. (chartexamples.com)
Hypersensitivity2
- Utility of patch testing in patients with hypersensitivity syndromes associated with abacavir. (vanderbilt.edu)
- Immediate hypersensitivity skin testing with bird sera and pigeon bloom was positive in 78% and 100% of BFL patients, respectively, and in 64% and 88% of control pigeon breeders, respectively. (lww.com)
Intradermal1
- The intradermal test is a more sensitive technique than the prick test, providing better results at diagnosis. (diater.com)
Inflammation1
- Yes, bronchial inhalers are indicated to treat inflammation, including inhaled corticosteroids, inhaled corticosteroids in combination with long-acting B2 agonists, short-acting B2 agonists and oral corticosteroids, among others. (clinicalbcn.es)
Adults1
- A set of nine physical fitness tests for flexibility, speed, endurance and strength developed by the Council of Europe for school age children and adults. (nih.gov)
Asthmatic patients1
- In this study there was no difference in the catecholamine response to orthostatic provocation or exercise when comparisons between asthmatic patients and healthy control subjects were made. (onlineasthmainhalers.com)
Patients14
- Mannitol, an indirect stimulus, identified a similar prevalence of BHR to methacholine and identified more patients than a single exercise test in three studies. (medscape.com)
- Mannitol identified bronchial hyper-responsiveness in more patients than a single exercise test. (medscape.com)
- The association of bronchial asthma and nasal polyposis in aspirin intolerant patients was first described by Widal in 1922 8 and confirmed by several later reports. (bmj.com)
- Aspirin intolerance has been reported in 6-34% of asthmatic subjects, 11 , 20 , 21 in 35-52% of subjects with polyps, 3 , 22 and in as many as 64.5% of patients suffering from bronchial asthma and nasal polyps. (bmj.com)
- Some patients do elude diagnosis but most are helped through consultation with specialists and the testing offered. (phoenixhospitalgroup.com)
- Sur un total de 101 patients atteints de toux chronique (sans antécédents de sinusite, d'infection pulmonaire récente, de bronchite, de reflux gastro-oesophagien ni d'affections pulmonaires sous-jacentes), 51,5 % ont présenté une hyperréactivité des voies aériennes au test de provocation à la méthacholine, 40,6 % n'ont pas eu de réaction et 7,9 % ont eu des résultats non concluants. (who.int)
- M9293 Bacterial & Viral Filters protects the operators of spirometry tests, while the Medikro ® SpiroSafe flow transducers protect the patients from cross contamination. (medikro.com)
- When using a less sensitive parameter, such as FEVi, to evaluate bronchial tone, the postexercise measurements of the NEIA patients did not differ from those of the C group. (onlineasthmainhalers.com)
- Several earlier studies of sympathoadrenal activity in bronchial asthma have shown enhanced plasma nor-drenaline levels during exercise in patients with EIA compared with healthy control subjects and patients with NEIA. (onlineasthmainhalers.com)
- We have attempted to define our patients and control subjects and to standardize the exercise tests. (onlineasthmainhalers.com)
- Additionally, some centrally acting agents such as morphine and gabapentin may have therapeutic benefit in these patients by inhibition of the esophago-bronchial reflex and central sensitization [56,57]. (cckn-ia.org)
- Other patients tend to cough at night while others cough at any time of day without provocation. (orthopedicshealth.com)
- Investigation-noninvasive testing is used primarily for diagnosis, but whatever test is employed-exercise ECG, myocardial perfusion imaging, stress echocardiography, or multidetector CT-the incremental diagnostic value is greatest for patients with an intermediate pretest probability of coronary artery disease in whom uncertainty is greatest. (enetmd.com)
- Patients with continuing moderate or severe stable angina despite optimal medical treatment should undergo coronary angiography, as should those identified as being at high risk on noninvasive testing. (enetmd.com)
Eucapnic2
- The eucapnic voluntary hyperventilation (EVH) test is an alternative method to other indirect or direct bronchial challenge tests such as exercise challenge or methacholine challenge test 1 . (ganshorn.de)
- The current studies by the Indiana University group using both exercise and eucapnic voluntary hyperpnea (like mannitol, another surrogate test to identify EIB) should be validated by other groups. (medicalresearch.com)
Histamine2
- The second method uses the same doubling dosage regimen of histamine and methacholine and generates the aerosol using a Wright's nebulizer primed with 5 milliliter test solution and an oxygen flow rate of 7 liter/minute. (cdc.gov)
- If the test was carried out correctly, a papule will be produced in the forearm area where the positive control (histamine) has been placed and no reaction of any type should occur in the case of the negative control (physiological saline solution). (diater.com)
Clinically1
- Participants in whom a diagnosis of current asthma was ultimately ruled out were followed up clinically with repeated bronchial challenge tests over 1 year. (nih.gov)
Specific1
- Food challenges are the gold standard for the diagnosis, in particular when the patient's history and specific IgE test results do not correlate, as well as for follow-up assessment. (biomedcentral.com)
Baseline1
- Before doing the provocation, a forced spirometry sets the baseline for pre FEV 1 . (ganshorn.de)
MeSH1
- Exercise Test" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (musc.edu)
Laboratory2
- Other activities carried out by the IPCS include the development of know-how for coping with chemical accidents, coordination of laboratory testing and epidemiological studies, and promotion of research on the mechanisms of the biological action of chemicals. (inchem.org)
- No single laboratory test is diagnostic of CMA. (gotomydoctor.com)
Peak1
- All participants were assessed with home peak flow and symptom monitoring, spirometry, and serial bronchial challenge tests, and those participants using daily asthma medications had their medications gradually tapered off over 4 study visits. (nih.gov)
Spirometry test1
- Spirometry reversibility testing - uses information from your spirometry test results to calculate how effective treatment for your illness might be. (mainlinehealth.org)
Positive4
- To check that the test was performed correctly, two controls will used: positive and negative. (diater.com)
- In addition, as inhaled mannitol is a standardised bronchial provocation test used to identify the presence of active asthma, in those that have a positive mannitol test it would be clear that omega-3 supplements would have no benefit in treating their asthma. (medicalresearch.com)
- A positive methacholine challenge test was positively correlated with new wheezing. (who.int)
- The one exception was a case of bird fanciers disease that was diagnosed by history and positive provocation test against pigeon dropping extracts. (buy-asthma-inhalers-online.com)
Cite1
- Cite this: Bronchial Provocation Testing: The Future - Medscape - Feb 01, 2011. (medscape.com)
Exercise induced bronchospasm1
- Exercise Challenge Testing (94617, 94618) for exercise-induced bronchospasm, to be requested by Allergist or Pulmonologist. (qualchoice.com)
Adult1
- 1. Nieminen MM, Kaprio J, Koskenvou M. A population based study of bronchial asthma in adult twins. (ijbm.org)