VascularHypertensionSystemic and pulmonary circulationsIncrease in pulmonaryVenous returnArteriesAortaPressuresAorticVeinLeft ventricleArterial pressureVentricular septalPrimary pulmonary diseaseLungsStenosisOxygenationShuntAnomalousObstructiveFetal circulationHypoxemiaChronicComputed tomographyPersistentCongenitalArteriolesExtracorporeal circulationPatientsMmHgVeinsAcuteValveSevereOxidativeInfant'sBlood flowThoracicStructuralPressureCardiovascular
Vascular15
- Introduction and Methods: Acute exposure to high altitude increases pulmonary artery pressure (Ppa) and pulmonary vascular resistance (PVR). (uzh.ch)
- Congenital heart defects with left-to-right shunting and unrestricted pulmonary blood flow (PBF) due to a drop in pulmonary vascular resistance result in pulmonary overcirculation. (medscape.com)
- Children born preterm had significantly smaller right atria, right ventricles with smaller widths, higher relative wall thickness and higher estimated pulmonary vascular resistance (PVR) than controls. (lu.se)
- The pathobiology of pulmonary vascular disease (PVD) and PAH is complex, multifactorial and driven by inflammation and metabolic dysfunction 1 . (nature.com)
- Pulmonary hypertension (PH) is a fatal disorder characterized by an increase in pulmonary vascular resistance, which leads to right ventricular failure. (jrheum.org)
- Classical hemodynamic monitoring is based on the invasive measurement of systemic and pulmonary vascular pressures and of cardiac output. (medicosecuador.com)
- However, if signs of a low systemic cardiac output develop (low urine output and progressive acidosis) it will be necessary to increase the pulmonary vascular resistance by active respiratory management: it may seem counterintuitive to reduce inspired oxygen in a sick, shocked neonate but this is frequently necessary to achieve stability. (bmj.com)
- This again depends on the ratio between the pulmonary and systemic vascular resistances, but now also on the physical size of the shunt. (bmj.com)
- A 3 mm Goretex shunt is usually satisfactory but an appropriate sized shunt at the time of surgery may prove far too generous in the early postoperative period (as the pulmonary vascular resistance falls). (bmj.com)
- Median DLCO was 59% (IQR 47-68%), and it inversely correlated with pulmonary vascular resistance (PVR) (P 0.037) and diastolic pulmonary gradient (DPG) (P 0.042). (bvsalud.org)
- Symptoms typically occur due to right ventricular and pulmonary vascular volume overload and right-sided heart failure. (unboundmedicine.com)
- 1 , 2 After birth, an infant's pulmonary vascular resistance decreases, and there is a concomitant increase in LA pressure and decrease in RA pressure. (allenpress.com)
- In the absence of other structural heart abnormalities or elevated pulmonary vascular resistance, shunting in the PDA will be left to right (from aorta to pulmonary artery). (msdmanuals.com)
- In dogs, the disease is vascular (adult heartworms cause trouble by plugging up the pulmonary arteries and generating inflammation there). (vin.com)
- The location of the cyst in myocardi- may radiate to the epigastrium and it passes through the pulmonary vascular al tissue is subepicardial, subendocardial may closely mimic acute abdomen. (who.int)
Hypertension27
- 1 ] [ 2 ] [ 3 ] Clinical conditions where TNE has been helpful in guiding clinical management include patent ductus arteriosus (PDA), cardiovascular instability, persistent pulmonary hypertension, and congenital diagrammatic hernia. (thieme-connect.de)
- Vanderbilt's Pulmonary Hypertension Team Welcomes you! (vumc.org)
- Over the past few years, the Scientific Leadership Council of the Pulmonary Hypertension Association (PHA) has been actively developing an accreditation initiative for PH treating programs across the nation in order to improve the overall quality of care and outcomes of patients with PAH. (vumc.org)
- to [establish] a program of accredited centers with expertise in pulmonary hypertension that aspires to improve overall quality of care and ultimately improve outcomes of patients with pulmonary hypertension, particularly pulmonary arterial hypertension, a rare and life-threatening group of diseases. (vumc.org)
- What is Pulmonary Arterial Hypertension? (vumc.org)
- Pulmonary arterial hypertension (PAH) is high blood pressure (hypertension) within the lung (pulmonary) arterial circulation. (vumc.org)
- The primary objective of performing PAB is to reduce excessive pulmonary blood flow and protect the pulmonary vasculature from hypertrophy and irreversible (fixed) pulmonary hypertension. (medscape.com)
- Within the first year of life, this unrestricted flow and pressure can lead to medial hypertrophy of the pulmonary arterioles and fixed pulmonary hypertension. (medscape.com)
- Here we report application of human umbilical cord mesenchymal stem cell (HUCMSC)-derived therapy for pulmonary arterial hypertension (PAH). (nature.com)
- To measure the prevalence of different types of pulmonary hypertension (PH) and to identify patients with systemic sclerosis (SSc) at highest risk in a multicenter European sample, with a metaanalysis of relevant studies. (jrheum.org)
- Precapillary PH was found in 64 patients (5%), of whom 42 had pulmonary arterial hypertension (PAH) and 22 had PH secondary to interstitial lung disease (ILD). (jrheum.org)
- The Dana Point classification distinguishes pulmonary arterial hypertension (PAH) from PH secondary to other morbid entities 1 . (jrheum.org)
- 8,9 Special considerations in the adult with an unrepaired VSD include the potential for pulmonary arterial hypertension (PAH) and Eisenmenger syndrome. (acc.org)
- Human herpesvirus 8 (HHV-8) antibodies were detected in 1 of 33 patients with pulmonary hypertension (including in 1 of 16 with idiopathic pulmonary arterial hypertension), 5 of 29 with cystic fibrosis, and 3 of 13 with interstitial lung disease. (cdc.gov)
- No relationship between HHV-8 infection and pulmonary hypertension was found. (cdc.gov)
- Recently, 2 articles from 1 group suggested that HHV-8 has a role in the pathogenesis of idiopathic pulmonary arterial hypertension (IPAH) ( 2 , 3 ). (cdc.gov)
- HHV-8 latency-associated nuclear antigen-1 and HHV-8 viral cyclin gene were identified in the lung tissue of 10 (62.5%) of 16 patients with IPAH, whereas only 1 (7.1%) of 14 patients with associated pulmonary hypertension (PH) had HHV-8 gene sequences in lung tissue ( 2 ). (cdc.gov)
- Increased right-sided pressure/pulmonary arterial hypertension can cause reversal of shunt flow (Eisenmenger syndrome) with resulting cyanosis and clubbing. (unboundmedicine.com)
- Patent foramen ovale has been associated with multiple pulmonary diseases, such as pulmonary hypertension, platypnea-orthodeoxia syndrome, and chronic obstructive pulmonary disease. (allenpress.com)
- If untreated, the defect can impair blood flow, leading to serious circulation problems including pulmonary hypertension or heart failure. (uchicagomedicine.org)
- Persistent pulmonary hypertension of the newborn (PPHN) is defined as the failure of the normal circulatory transition that occurs after birth. (medscape.com)
- It is a syndrome characterized by marked pulmonary hypertension that causes hypoxemia secondary to right-to-left shunting of blood at the foramen ovale and ductus arteriosus. (medscape.com)
- Idiopathic persistent pulmonary hypertension of the newborn can present without signs of acute perinatal distress. (medscape.com)
- In contrast to adult primary pulmonary hypertension, the newborn syndrome is not defined by a specific pressure of the pulmonary circulation. (medscape.com)
- The chest radiograph provides information about heart size (with cardiomegaly being a poor prognostic sign in chronic heart failure), the pulmonary circulation (with characteristic signs suggesting both pulmonary arterial or pulmonary venous hypertension), primary pulmonary disease, and aortic abnormalities. (mhmedical.com)
- The other part discusses diverse sensors that have been developed and used for the detection of respiratory diseases ( e.g. chronic obstructive pulmonary disease, asthma, lung cancer, pulmonary arterial hypertension, tuberculosis, cystic fibrosis, obstructive sleep apnoea syndrome and pneumoconiosis) by analysis of VOCs in exhaled breath. (ersjournals.com)
- Sheep acquire strong resist- most frequent location of the cyst is and can cause pulmonary embolism, ance against new cysts developing but the myocardial region, particularly pulmonary hypertension and death. (who.int)
Systemic and pulmonary circulations3
- Veins of the human body The venous system is the system of veins in the systemic and pulmonary circulations that return blood to the heart. (wikipedia.org)
- The systemic and pulmonary circulations are both supplied by the right ventricle. (bmj.com)
- Preoperative and postoperative Norwood stage I circulation in hypoplastic left heart syndrome: the balance between the systemic and pulmonary circulations is crucial. (bmj.com)
Increase in pulmonary2
- The thigh cuff release maneuver-induced increase in cardiac output suggests a preserved ability of pulmonary circulation to cope with sudden remarkable increase in pulmonary blood flow throughout acclimatization. (uzh.ch)
- patent fo-ramen ovale with left-right shunt which decompresses the left cavities and limits the increase in pulmonary circulation pressures. (romanianjournalcardiology.ro)
Venous return3
- It comprises an atrial septectomy to allow free mixing of the systemic and pulmonary venous return, using the main pulmonary artery to establish flow from the right ventricle to aorta and providing a Goretex shunt between the innominate or right subclavian artery and the branch pulmonary arteries. (bmj.com)
- 70% ASDs are isolated but may occur as a component of other complex cardiac structural defects, including anomalous pulmonary venous return. (unboundmedicine.com)
- A Fontan circulation is a series of palliative surgical procedures, which result in the diversion of the systemic venous return into pulmonary arterial circulation without passing through a ventricle. (web.app)
Arteries6
- In the systemic circulation arteries carry oxygenated blood away from the heart, and veins return deoxygenated blood to the heart, in the deep veins. (wikipedia.org)
- Pulmonary artery banding (PAB) creates a narrowing, or stenosing, of the main pulmonary artery that decreases blood flow to the branch pulmonary arteries and reduces PBF and pulmonary artery pressure. (medscape.com)
- It pumps blood directly into arteries, more specifically the aorta or the pulmonary artery. (physio-pedia.com)
- The heart then pumps it out of the right ventricle and into the pulmonary arteries to begin pulmonary circulation. (physio-pedia.com)
- By the time the larva has reached its 5th stage, it is on its way to the pulmonary arteries to complete its maturation but most infections will end here as the feline immune system is nearly relentless in its assault. (vin.com)
- Adult heartworms make it to the dog's pulmonary arteries after a long maturation process that starts with a tiny larva being deposited adjacent to a mosquito bite in a tiny droplet of mosquito saliva. (vin.com)
Aorta7
- Safe placement of a pulmonary artery band: (A) encircling the aortopulmonary trunk, (B) encircling the aorta, and (C) completing the pulmonary artery band at the final location. (medscape.com)
- The heart pumps oxygenated blood out of the left ventricle and into the aorta to begin systemic circulation. (physio-pedia.com)
- The left side receives oxygenated blood from the lungs via the pulmonary vein and distributes it throughout the body via the aorta. (profaw.co.uk)
- 2003 ). DORV is a congenital cardiac malformation in which both pulmonary artery and aorta predominantly arise from the right ventricle, and ventricular septal defect (VSD) always coexists (Lev et al. (springeropen.com)
- Patent ductus arteriosus (PDA) is a persistence of the fetal connection (ductus arteriosus) between the aorta and pulmonary artery after birth. (msdmanuals.com)
- The left coronary artery (LCA), which carries blood to the heart muscle, begins from the pulmonary artery instead of the aorta. (medlineplus.gov)
- Blood samples and four blood vessels, the aorta, superior vena cava, pulmonary vein and pulmonary artery, were obtained from 11 slaughtered sheep. (who.int)
Pressures2
- it has been shown that DLCO impairment may persist or even worsen after normalization of pulmonary pressures following left ventricle assist device (LVAD) implantation, maybe reflecting persistent pulmonary damage. (bvsalud.org)
- Degree depends on size of the defect and relative pressures of the two ventricles. (unboundmedicine.com)
Aortic4
- Regardless of the size of the defect, non-muscular VSDs can be associated with aortic valve prolapse, double chamber right ventricle, and subaortic membrane. (acc.org)
- Challenges to the algorithm development included the need for ongoing follow-up and testing which may be influenced by provider and institutional preferences, accounting for the potential risk of endocarditis, definition of clinically significant aortic valve complications, and the variability in VSD nomenclature as well as size categorization. (acc.org)
- Eisenmenger Syndrome Eisenmenger syndrome is a complication of uncorrected large intracardiac or aortic to pulmonary artery left-to-right shunts. (msdmanuals.com)
- After inges- size, calcification and number of cysts, and acute pericarditis and mimic acute tion, larvae pass the intestine and reach integrity of the cyst, and effect of the coronary syndrome or acute aortic dis- the right side of the heart through the cysts, palpitations and presence of com- section. (who.int)
Vein2
- Vena Cava ➜ RA ➜ Tricuspid valve ➜ RV ➜ Pulmonary valve ➜ Pulmonary artery ➜ lungs ➜Pulmonary vein ➜ LA ➜ Mitral valve ➜ LV. (physio-pedia.com)
- Occasionally this will lead to deep vein thrombosis, which is associated with the risk of pulmonary embolism. (sigvaris.com)
Left ventricle2
- The oxygenated blood shoots from the left atrium to the left ventricle below, to begin systemic circulation again. (physio-pedia.com)
- bed into the left ventricle, from where or intramyocardial, However, when a Most patients with calcification of it could reach any part of the body cyst is located in subendocardial en- the cyst wall remain asymptomatic for through systemic circulation [1-3]. (who.int)
Arterial pressure1
- The diagnosis is confirmed regardless of the pulmonary arterial pressure, as long as it is accompanied by a right-to-left shunt and absence of congenital heart disease. (medscape.com)
Ventricular septal2
- [ 1 ] In this report, Muller and Danimann described palliation by the "creation of pulmonary stenosis" in a 5-month-old infant who had a large ventricular septal defect (VSD) and pulmonary overcirculation. (medscape.com)
- In this case, the patient belonged to the type of ventricular septal defect characterized by subaortic ventricular septal defect without pulmonary stenosis. (springeropen.com)
Primary pulmonary disease1
- A connection between patent foramen ovale and chronic pulmonary disease was first described more than 2 decades ago in case reports associating patent foramen ovale with more severe hypoxemia than that expected based on the severity of the primary pulmonary disease. (allenpress.com)
Lungs8
- In the systemic circulation the return is of deoxygenated blood from the organs and tissues of the body, and in the pulmonary circulation the pulmonary veins return oxygenated blood from the lungs to the heart. (wikipedia.org)
- The balance between flow to the lungs and flow to the body via the patent arterial duct is critical: too much pulmonary blood flow will result in systemic underperfusion and too little in hypoxaemia. (bmj.com)
- The right side receives deoxygenated blood from the body and sends it to the lungs via the pulmonary artery. (profaw.co.uk)
- In fetal circulation, the foramen ovale functions as a one-way valve that enables blood to flow from the right atrium (RA) to the left atrium (LA) so that oxygenated blood from the placenta can bypass the unaerated lungs and directly enter the fetus' systemic circulation. (allenpress.com)
- The pulmonary artery is the major blood vessel that takes oxygen-poor blood from the heart to the lungs to pick up oxygen. (medlineplus.gov)
- Recently it was speculated that ultrafine particles (UFP) may translocate from deposition sites in the lungs to systemic circulation and whether long-term clearance differs between ultrafine and micrometer-sized particles. (cdc.gov)
- 2002), nothing is known about long-term there is concern about translocation of ultrafine particles (UFP) translocation and whether clearance kinetics of ultrafine parti- from the lungs into systemic circulation and uptake in transpul- cles differ from that of larger particles, as one may expect from differing clearance mechanisms for micrometer-sized particles versus UFP. (cdc.gov)
- Neither pulmonary oxidative stress responses nor histopathological changes of the lungs and nasal passages were found among the treatments. (cdc.gov)
Stenosis1
- 6. Pulmonic stenosis is a narrowing of the pulmonary valve or the pulmonary artery, resulting in restricted blood flow from the right ventricle to the pulmonary circulation. (myperfecttutors.com)
Oxygenation3
- The circulations have to be manipulated to achieve adequate systemic perfusion (systemic cardiac output) and adequate oxygenation (pulmonary blood flow). (bmj.com)
- The pulmonary circulation allows for oxygenation of the blood, and the systemic circulation provides for oxygenated blood and nutrients to reach the rest of the body [2] . (physio-pedia.com)
- Furthermore, investigators have reported improved systemic oxygenation after patent foramen ovale closure in some patients with chronic pulmonary disease. (allenpress.com)
Shunt8
- Comprehensive hemodynamic assessment of PDA-related echocardiographic parameters such as PDA size, shunt pattern, effect on systemic circulation, and pulmonary circulation were higher in Epoch-2. (thieme-connect.de)
- 7-9 Important considerations included are as follows: age at diagnosis, VSD size and location, presence of cardiac symptoms, and shunt direction. (acc.org)
- The second stage is when a cavopulmonary shunt is established and the third stage is the completion of the Fontan circulation. (bmj.com)
- The systemic circulation is now supported directly by the right ventricle and pulmonary blood flow is dependent on the shunt. (bmj.com)
- Shunt revisions as well as pharmacological/respiratory management of the pulmonary circulation are frequently required. (bmj.com)
- It has been suggested that patients with both chronic pulmonary disease and patent foramen ovale are subject to severe hypoxemia because of the right-to-left shunt. (allenpress.com)
- This review focuses on the association between chronic pulmonary disease and patent foramen ovale and on the dynamics of a right-to-left shunt, and it considers the potential benefit of patent foramen ovale closure in patients who have hypoxemia that is excessive in relation to the degree of their pulmonary disease. (allenpress.com)
- Even with minimal interatrial communication, the size of a remnant eustachian valve appears to be an independent risk factor for a right-to-left (RL) shunt. (allenpress.com)
Anomalous1
- Anomalous left coronary artery from the pulmonary artery (ALCAPA) is a heart defect. (medlineplus.gov)
Obstructive6
- It will also yield data for national estimates of the distribution of pulmonary function, and prevalence of impaired function and chronic obstructive pulmonary disease (COPD) in a representative sample. (cdc.gov)
- Obstructive proliferative vasculopathy of the small and medium-size pulmonary arterial circulation and chronic hypoxemia due to advanced lung disease are major causes of precapillary PH in SSc 7 , 8 . (jrheum.org)
- Patent foramen ovale has been linked with paradoxical embolic stroke, platypnea-orthodeoxia syndrome, decompression illness, exacerbation of obstructive sleep apnea, obesity hypoventilation syndrome, chronic pulmonary disease, and migraine headache with aura. (allenpress.com)
- A retrospective study was made in Riyadh, Saudi Arabia, on the impact of pulmonary rehabilitation on respiratory parameters and health care utilization in a group of outpatients with chronic lung diseases other than chronic obstructive pulmonary disease. (who.int)
- Une étude rétrospective a été menée à Riyad (Arabie saoudite) pour connaître l'impact de la rééducation pulmonaire d'une part sur les paramètres respiratoires d'un groupe de patients en consultation externe pour des affections pulmonaires chroniques autres que la bronchopneumopathie chronique obstructive (BPCO) et d'autre part sur leur utilisation des soins de santé. (who.int)
- Urban-Rural County and State Differences in Chronic Obstructive Pulmonary Disease - United States, 2015. (cdc.gov)
Fetal circulation1
- it is necessary for proper fetal circulation. (msdmanuals.com)
Hypoxemia1
- Suspect PPHN whenever the level of hypoxemia is out of proportion to the level of pulmonary disease. (medscape.com)
Chronic1
- ABSTRACT Pulmonary rehabilitation is a tool that is receiving more acceptance in chronic lung diseases. (who.int)
Computed tomography3
- Consecutive patients with SSc recruited at 11 French and Italian centers underwent detailed evaluations, including Doppler echocardiography, chest computed tomography, pulmonary function tests, and right-heart catheterization (RHC), to detect the presence and causes of PH. (jrheum.org)
- van Rikxoort, E. M., and van Ginneken, B., Automated segmentation of pulmonary structures in thoracic computed tomography scans: a review. (crossref.org)
- Santos, B. S., Ferreira, C., Sousa Santos, B., Silva, J. S., Silva, A., and Teixeira, L., Quantitative evaluation of a pulmonary contour segmentation algorithm in x-ray computed tomography images. (crossref.org)
Persistent2
- The presence of symptoms of pulmonary over circulation are an indication for medical therapy followed by surgical or catheter-based intervention in muscular VSDs and surgical intervention in non-muscular VSDs in the event that medical therapy is unsuccessful or if there is persistent left heart enlargement on echocardiography. (acc.org)
- CONCLUSIONS: Before LVAD implantation, DLCO impairment is associated with higher PVR and DPG, suggesting that it might be an expression of persistent pulmonary damage occurring in Cpc-PH. (bvsalud.org)
Congenital4
- Pulmonary artery banding (PAB) is a technique of palliative surgical therapy used by congenital heart surgeons as a staged approach for operative correction of congenital heart defects. (medscape.com)
- Patients who are selected for pulmonary artery banding (PAB) and staged cardiac repair are determined based on the experience and training of the pediatric cardiologists and congenital heart surgeons at any given institution. (medscape.com)
- The reduced-size Amplatzer duct occluder II (ADO II), a heart device developed to repair one of the most common congenital heart defects, is safe to use in very small children. (uchicagomedicine.org)
- The echocardiogram , though, provides more reliable cardiac information than the chest radiograph about chamber size and hypertrophy, and the presence of pericardial effusions, valvular abnormalities, and congenital abnormalities ( VIDEO 10-1 ). (mhmedical.com)
Arterioles1
- PAH is characterized by progressive, obliterative remodeling of pulmonary arterioles, pre-capillary vessel loss, right heart failure and death. (nature.com)
Extracorporeal circulation1
- Initially performed systematically under extracorporeal circulation, they are now mainly performed "off pump", which reduces the haemorrhaging risk. (lungo2.fr)
Patients4
- PAB may not be tolerated in patients who have cardiac defects that depend on mixing of the systemic and pulmonary venous blood to maintain adequate systemic oxygen saturations. (medscape.com)
- The 42 patients without PH included 29 patients with cystic fibrosis (PAP 21.1 ± 3.3 mm Hg) and 13 patients with interstitial lung disease (PAP 18 ± 4.6 mm Hg) (8 patients with idiopathic pulmonary fibrosis, 2 with sarcoidosis, 3 with pulmonary fibrosis secondary to bleomycin treatment). (cdc.gov)
- The Duet should also be considered for acute intervention for pulmonary patients. (phc-online.com)
- In other instances, the tests can be more invasive (endoscopy, pulmonary catheterisation, biopsy and bone marrow tests) and, therefore, run the risk of complications to the patients screened and/or require special facilities (such as CT) with healthcare professionals operating the instruments [ 8 ]. (ersjournals.com)
MmHg1
- pulmonary artery compliance, CPA 3.1 vs. 1.9 mL/mmHg, P 0.021). (bvsalud.org)
Veins2
- In medium and large sized veins the flow of blood is maintained by one-way (unidirectional) venous valves to prevent backflow. (wikipedia.org)
- Veins vary in size from the smallest post-capillary venules, and more muscular venules, to small veins, medium veins, and large veins. (wikipedia.org)
Acute1
- In the acute setting, this leads to pulmonary edema and congestive heart failure in the neonate. (medscape.com)
Valve1
- This particular type appears to be associated with absent pulmonary valve leaflets. (medscape.com)
Severe1
- As a result of severe cough, pulmonary artery pressure increased rapidly. (springeropen.com)
Oxidative1
- At 24hours after the last exposure, rats were assessed for pulmonary injury, inflammation, and oxidative stress as well as systemic toxicity. (cdc.gov)
Infant's1
- At birth, an infant's heart and fist are about the same size. (encyclopedia.com)
Blood flow3
- One can easily see how crude this measurement is: by measuring the blood pressure at the radial artery, we hope to estimate the adequacy of blood flow to the kidneys, brain, and coronary circulation. (medicosecuador.com)
- The major structural and functional changes related to the airway circulation include the proliferation of blood vessels (angiogenesis) 2 - 4 , increased blood flow 5 , 6 , increased microvascular permeability 7 , 8 , and oedema formation in the airway wall 9 . (ersjournals.com)
- Pulmonary blood flow, LA and LV volumes, and ascending AO volume are increased. (msdmanuals.com)
Thoracic3
- The procedures for spirometric assessment of pulmonary function will be based on the most current standards of the American Thoracic Society (ATS). (cdc.gov)
- For some years now, thoracic surgeons have been performing volume reductions to reduce the size of a graft that is a little too large and thus avoid a refusal due to morphological mismatch between donor and recipient. (lungo2.fr)
- Dehmeshki, J., Amin, H., and Valdivieso, M., X. Ye Segmentation of pulmonary nodules in thoracic CT scans: a region growing approach. (crossref.org)
Structural1
- Our aim was to test the hypothesis that children surviving extremely preterm birth have important structural or functional changes of the right heart or pulmonary circulation. (lu.se)
Pressure4
- As these blood vessels become blocked, the pressure in the pulmonary arterial circulation increases which puts a strain on the right side of the heart. (vumc.org)
- Pulsation and alternating therapy increase blood circulation by decreasing pressure points. (phc-online.com)
- The low blood pressure in the pulmonary artery causes blood from the abnormally connected LCA to flow back toward the pulmonary artery instead of toward the heart muscle. (medlineplus.gov)
- TRAVENO enhances the blood circulation in your legs by applying gentle pressure. (sigvaris.com)
Cardiovascular1
- Information from NHANES III pulmonary studies will be used to provide reference data for occupational exposure research, air quality studies, and specialized cardiovascular research, as well as documentation of the relationship of smoking to COPD. (cdc.gov)