Document Detail

Echocardiographic estimation of pulmonary pressures.
MedLine Citation:
PMID:  16801816     Owner:  NLM     Status:  MEDLINE    
Cardiac ultrasound plays a pivotal role in assessing pulmonary artery pressures. Estimation of right atrial pressure can be derived from the dimensions and respiratory variation of the inferior vena cava and Doppler modalities provide an accurate and comprehensive evaluation of right ventricular and pulmonary artery pressures. Peak pulmonary artery pressure can be calculated from continuous wave Doppler sampling of the tricuspid regurgitant jet, while pulsed wave Doppler sampling of the pulmonary regurgitant jet allows evaluation of mean and diastolic pulmonary artery pressures. In patients with tricuspid regurgitation that is either absent or not adequately detectable by Doppler method, Doppler right ventricular outflow tract investigation can be helpful. Recent data indicate that analysis of right ventricular function using myocardial Doppler echocardiography may also provide new insights for the non-invasive estimation of pulmonary artery pressures. In particular, right ventricular isovolumic relaxation time measured by myocardial Doppler echocardiography at the tricuspid annulus may provide an alternative method for estimating pulmonary artery pressure, especially in patients with tricuspid regurgitation not detectable or spectral Doppler not properly interpretable.
Alfredo Posteraro; Alessandro Salustri; Paolo Trambaiolo; Elisabetta Amici; Giancarlo Gambelli
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of cardiovascular medicine (Hagerstown, Md.)     Volume:  7     ISSN:  1558-2027     ISO Abbreviation:  J Cardiovasc Med (Hagerstown)     Publication Date:  2006 Jul 
Date Detail:
Created Date:  2006-06-27     Completed Date:  2006-11-28     Revised Date:  2009-05-28    
Medline Journal Info:
Nlm Unique ID:  101259752     Medline TA:  J Cardiovasc Med (Hagerstown)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  545-54     Citation Subset:  IM    
Cardiology Unit, Presidio Ospedaliero Integrato Portuense, Rome, Italy.
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MeSH Terms
Atrial Function, Right / physiology
Coronary Circulation
Echocardiography, Doppler* / methods
Hypertension, Pulmonary / physiopathology,  ultrasonography*
Myocardial Contraction / physiology
Pulmonary Artery / physiopathology,  ultrasonography*
Pulmonary Valve Insufficiency / physiopathology
Tricuspid Valve Insufficiency / physiopathology
Ventricular Function, Right / physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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