Determinants of pulmonary venous flow reversal in mitral regurgitation and its usefulness in determining the severity of regurgitation

Maurice E Sarano, Karl S. Dujardin, Christophe M. Tribouilloy, James B. Seward, Ajit P. Yoganathan, Kent R Bailey, A. Jamil Tajik

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Abstract

Pulmonary venous flow (PVF) reversal is observed in mitral regurgitation (MR) and can be detected by Doppler echocardiography. However, the determinants of PVF alterations in MR have not been analyzed with simultaneous quantitative methods, and the diagnostic accuracy of flow reversal is uncertain. Prospectively, in 128 patients with isolated MR of various degrees (regurgitant fraction 4% to 81%), Doppler echocardiography was used to measure PVF velocity simultaneously to quantify MR by 2 methods and to perform a comprehensive hemodynamic assessment. Systolic PVF velocity was 4 ± 56 cm/s (systolic flow reversal in 39 patients) and showed the strongest correlations with mitral effective regurgitant orifice (r = -0.56, p <0.0001). In multivariate analysis, larger effective regurgitant orifice (p <0.0001), eccentric jets (p = 0.0023), longer jets (p = 0.0033), and lower mitral regurgitant velocity (p = 0.0015) were independent determinants of decreased systolic PVF velocity. In organic MR, increased filling pressures were associated with systolic PVF reversal. Blunted systolic flow was associated with shorter mitral deceleration time (p <0.0001) and enlarged left atrium (p = 0.0007). For the diagnosis of severe MR (regurgitant orifice ≥35 mm2, regurgitant fraction ≥50%), systolic flow reversal sensitivity was 61% and 60%, and specificity was 92% and 85%, respectively. Among 29 patients in whom surgery demonstrated severe mitral lesions, 12 (41%) had no systolic flow reversal preoperatively. In patients with MR, the determinants of systolic PVF are complex and, in addition to the degree of MR, include the hemodynamic consequences of MR, jet characteristics, left ventricular filling, and left atrial volume alterations. Consequently, systolic PVF reversal is a useful sign of severe MR but of relatively low sensitivity, emphasizing the importance of quantifying MR.

Original languageEnglish (US)
Pages (from-to)535-541
Number of pages7
JournalAmerican Journal of Cardiology
Volume83
Issue number4
DOIs
StatePublished - Feb 15 1999

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Mitral Valve Insufficiency
Lung
Doppler Echocardiography
Hemodynamics
Deceleration
Heart Atria
Multivariate Analysis
Pressure

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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Determinants of pulmonary venous flow reversal in mitral regurgitation and its usefulness in determining the severity of regurgitation. / Sarano, Maurice E; Dujardin, Karl S.; Tribouilloy, Christophe M.; Seward, James B.; Yoganathan, Ajit P.; Bailey, Kent R; Tajik, A. Jamil.

In: American Journal of Cardiology, Vol. 83, No. 4, 15.02.1999, p. 535-541.

Research output: Contribution to journalArticle

Sarano, Maurice E ; Dujardin, Karl S. ; Tribouilloy, Christophe M. ; Seward, James B. ; Yoganathan, Ajit P. ; Bailey, Kent R ; Tajik, A. Jamil. / Determinants of pulmonary venous flow reversal in mitral regurgitation and its usefulness in determining the severity of regurgitation. In: American Journal of Cardiology. 1999 ; Vol. 83, No. 4. pp. 535-541.
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abstract = "Pulmonary venous flow (PVF) reversal is observed in mitral regurgitation (MR) and can be detected by Doppler echocardiography. However, the determinants of PVF alterations in MR have not been analyzed with simultaneous quantitative methods, and the diagnostic accuracy of flow reversal is uncertain. Prospectively, in 128 patients with isolated MR of various degrees (regurgitant fraction 4{\%} to 81{\%}), Doppler echocardiography was used to measure PVF velocity simultaneously to quantify MR by 2 methods and to perform a comprehensive hemodynamic assessment. Systolic PVF velocity was 4 ± 56 cm/s (systolic flow reversal in 39 patients) and showed the strongest correlations with mitral effective regurgitant orifice (r = -0.56, p <0.0001). In multivariate analysis, larger effective regurgitant orifice (p <0.0001), eccentric jets (p = 0.0023), longer jets (p = 0.0033), and lower mitral regurgitant velocity (p = 0.0015) were independent determinants of decreased systolic PVF velocity. In organic MR, increased filling pressures were associated with systolic PVF reversal. Blunted systolic flow was associated with shorter mitral deceleration time (p <0.0001) and enlarged left atrium (p = 0.0007). For the diagnosis of severe MR (regurgitant orifice ≥35 mm2, regurgitant fraction ≥50{\%}), systolic flow reversal sensitivity was 61{\%} and 60{\%}, and specificity was 92{\%} and 85{\%}, respectively. Among 29 patients in whom surgery demonstrated severe mitral lesions, 12 (41{\%}) had no systolic flow reversal preoperatively. In patients with MR, the determinants of systolic PVF are complex and, in addition to the degree of MR, include the hemodynamic consequences of MR, jet characteristics, left ventricular filling, and left atrial volume alterations. Consequently, systolic PVF reversal is a useful sign of severe MR but of relatively low sensitivity, emphasizing the importance of quantifying MR.",
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AU - Sarano, Maurice E

AU - Dujardin, Karl S.

AU - Tribouilloy, Christophe M.

AU - Seward, James B.

AU - Yoganathan, Ajit P.

AU - Bailey, Kent R

AU - Tajik, A. Jamil

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AB - Pulmonary venous flow (PVF) reversal is observed in mitral regurgitation (MR) and can be detected by Doppler echocardiography. However, the determinants of PVF alterations in MR have not been analyzed with simultaneous quantitative methods, and the diagnostic accuracy of flow reversal is uncertain. Prospectively, in 128 patients with isolated MR of various degrees (regurgitant fraction 4% to 81%), Doppler echocardiography was used to measure PVF velocity simultaneously to quantify MR by 2 methods and to perform a comprehensive hemodynamic assessment. Systolic PVF velocity was 4 ± 56 cm/s (systolic flow reversal in 39 patients) and showed the strongest correlations with mitral effective regurgitant orifice (r = -0.56, p <0.0001). In multivariate analysis, larger effective regurgitant orifice (p <0.0001), eccentric jets (p = 0.0023), longer jets (p = 0.0033), and lower mitral regurgitant velocity (p = 0.0015) were independent determinants of decreased systolic PVF velocity. In organic MR, increased filling pressures were associated with systolic PVF reversal. Blunted systolic flow was associated with shorter mitral deceleration time (p <0.0001) and enlarged left atrium (p = 0.0007). For the diagnosis of severe MR (regurgitant orifice ≥35 mm2, regurgitant fraction ≥50%), systolic flow reversal sensitivity was 61% and 60%, and specificity was 92% and 85%, respectively. Among 29 patients in whom surgery demonstrated severe mitral lesions, 12 (41%) had no systolic flow reversal preoperatively. In patients with MR, the determinants of systolic PVF are complex and, in addition to the degree of MR, include the hemodynamic consequences of MR, jet characteristics, left ventricular filling, and left atrial volume alterations. Consequently, systolic PVF reversal is a useful sign of severe MR but of relatively low sensitivity, emphasizing the importance of quantifying MR.

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