Document Detail

The echo Doppler study of mitral and aortic prostheses function.
MedLine Citation:
PMID:  8908627     Owner:  NLM     Status:  MEDLINE    
Doppler echography is now the most accurate noninvasive method for studying valvular prostheses, but the values considered to prove a normal function are still controversial. We studied by echo Doppler 95 valvular mechanical (M) and biological (B) prostheses, in mitral (Mi) and aortic (Ao) position in patients without clinical signs of prosthetic dysfunction. The data obtained for Ao prostheses (maximal transprosthetic gradient (MxG): M-20.47 mmHg, B-7.95 mmHg; mean transprosthetic gradient (MG): M-7.98 mmHg, B-3.9 mmHg) are in agreement or even better than literature data. For Mi prostheses the prosthetic area (PA) and pressure half time (PHT) values are in normal limits but the MG (M-5.087 mmHg, B-5.9 mmHg) is slightly superior to the data reported in the literature. Proving the value of echo Doppler for the study of valvular prostheses our results suggest to adopt larger limits of normality for mitral prostheses. They also sustain the necessity of a first Doppler examination before the patient is discharged from the hospital after valvular replacement.
D Zdrenghea; D Predescu; D Timiş; G Crişan
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Romanian journal of internal medicine = Revue roumaine de médecine interne     Volume:  34     ISSN:  1220-4749     ISO Abbreviation:  Rom J Intern Med     Publication Date:    1996 Jan-Jun
Date Detail:
Created Date:  1996-12-16     Completed Date:  1996-12-16     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9304507     Medline TA:  Rom J Intern Med     Country:  ROMANIA    
Other Details:
Languages:  eng     Pagination:  27-32     Citation Subset:  IM    
Rehabilitation Hospital, Department of Cardiology, Cluj-Napoca, Romania.
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MeSH Terms
Aortic Valve / ultrasonography
Bioprosthesis* / statistics & numerical data
Echocardiography, Doppler* / statistics & numerical data
Heart Valve Prosthesis* / statistics & numerical data
Middle Aged
Mitral Valve / ultrasonography
Prosthesis Failure

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

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