Contrasting effect of similar effective regurgitant orifice area in mitral and tricuspid regurgitation: A quantitative Doppler echocardiographic study

Christophe M. Tribouilloy, Maurice E Sarano, Mary Ann Capps, Kent R Bailey, A. Jamil Tajik

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27 Citations (Scopus)

Abstract

We compared the effect of similar effective regurgitant orifice (ERO) areas in tricuspid regurgitation (TR) and mitral regurgitation (MR) on hemodynamics and volume overload, and examined the impact on grading of TR and MR severity. In a prospective study, 95 patients with TR in sinus rhythm were compared with 95 patients with MR in sinus rhythm matched for ERO area, age, and body surface area. We found that similar ERO area was associated with decreased volume overload in TR compared with MR. There were more women with TR than with MR, but comparison stratified by sex confirmed that regurgitant volume (RVol) was smaller in TR than in MR for similar ERO area. However, patients with systolic venous flow reversal (hepatic for TR and pulmonary for MR) had lower RVol but similar ERO area in TR compared with MR. Therefore, optimal diagnostic thresholds for severe regurgitation (maximum sum of sensitivity and specificity) in TR and MR were different for RVol (45 and 60 mL/beat, respectively) but similar for ERO area (40 mm2). We conclude that similar ERO areas induce less RVol in TR than in MR because of the decreased driving force in TR, but have similar consequences with regard to venous flow reversal Therefore, a similar ERO area grading scheme can be used, and an ERO area of 40 mm2 or greater is consistent with severe regurgitation in both TR and MR.

Original languageEnglish (US)
Pages (from-to)958-965
Number of pages8
JournalJournal of the American Society of Echocardiography
Volume15
Issue number9
DOIs
StatePublished - Sep 2002

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Tricuspid Valve Insufficiency
Mitral Valve Insufficiency
Pulmonary Valve Insufficiency
Body Surface Area

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Radiology Nuclear Medicine and imaging

Cite this

Contrasting effect of similar effective regurgitant orifice area in mitral and tricuspid regurgitation : A quantitative Doppler echocardiographic study. / Tribouilloy, Christophe M.; Sarano, Maurice E; Capps, Mary Ann; Bailey, Kent R; Tajik, A. Jamil.

In: Journal of the American Society of Echocardiography, Vol. 15, No. 9, 09.2002, p. 958-965.

Research output: Contribution to journalArticle

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