MITRAL VALVE INDEX: A SIMPLE AND ROBUST PARAMETER FOR DETECTING PROSTHETIC MITRAL VALVE REGURGITATION

No/ Trivial MR N=655 Mild/ Mild-Moderate MR N=185 Moderate MR N=59 Moderate-Severe MR N=56 Severe MR N=99 P value MG, mmHg 5.9±2.3 5.9±2.2 7.1±2.6 7.5±3.2 8.7±3.4 <0.0001 E velocity, m/s 1.87±0.38 1.95±0.41 2.06±0.40 2.24±0.36 2.40±0.37 <0.0001 PHT, ms 77.6±23.6 72.3±18.0 81.9±21.5 79.6±19.4 7...

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Published inJournal of the American College of Cardiology Vol. 65; no. 10; p. A1331
Main Authors Luis, Sushil Allen, Blauwet, Lori, Mehta, Ramila, Samardhi, Himabindu, West, Cathy, Luis, Chris, Scalia, Gregory, Miller, Fletcher, Burstow, Darryl
Format Journal Article
LanguageEnglish
Published New York Elsevier Inc 17.03.2015
Elsevier Limited
Subjects
Cardiology
Cardiovascular
Internal Medicine
Prostheses
Ultrasonic imaging
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Summary:No/ Trivial MR N=655 Mild/ Mild-Moderate MR N=185 Moderate MR N=59 Moderate-Severe MR N=56 Severe MR N=99 P value MG, mmHg 5.9±2.3 5.9±2.2 7.1±2.6 7.5±3.2 8.7±3.4 <0.0001 E velocity, m/s 1.87±0.38 1.95±0.41 2.06±0.40 2.24±0.36 2.40±0.37 <0.0001 PHT, ms 77.6±23.6 72.3±18.0 81.9±21.5 79.6±19.4 76.5±18.4 NS TVIMVP, cm 40.8±11.2 42.5±10.7 49.6±14.6 50.9±14.3 55.9±14.5 <0.0001 Mitral valve index 1.97±0.49 1.93±0.43 2.42±0.80 2.48±0.49 2.78±.71 <0.0001 Echocardiographic Parameters of Mitral Valve Prostheses According to Mitral Regurgitation Severity Abbreviations: E velocity, peak early diastolic mitral inflow velocity; MG, mean gradient; MR, mitral regurgitation; NS, not significant; PHT, pressure half-time, TVIMVP, time velocity integral of the mitral valve prosthesis; MVR Index, ratio of the time velocity integral of the mitral valve prosthesis to the time velocity integral of the left ventricular outflow tractData are expressed as mean ± SD.
ISSN:0735-1097
1558-3597
DOI:10.1016/S0735-1097(15)61331-6