Abbreviation of Systolic Time Intervals in Acute Mitral Regurgitation: Effect of Prosthetic Mitral Valve Replacement

HARISIOS RICHARD

BOUDOULAS, MD, FACC P. LEWIS, MD, FACC

STEPHANOS DERVENAGAS, MD MARY ELIZABETH FONTANA, MD JOHN

S. VASKO,

MD,

FACC

Columbus, Ohio

From the Division of Cardiology and the Division of Cardiothoracic Surgery, Ohio State University College of Medicine, Columbus, Ohio. Manuscript received March 27, 1979; revised manuscript received and accepted May 16, 1979. Address for reprints: Harisios Boudoulas, MD, Division of Cardiology, Ohio State University Hospitals, 466 West Tenth Avenue, Columbus, Ohio 43210.

Systolic time intervals were measured in 26 patients with mitral regurgitation (acute in 14 and chronic in 12). In 13 of these patients (7 with acute and 6 with chronic mitral regurgitation) systolic time intervals were also measured after mitral valve replacement. Total electromechanical systole corrected for heart rate (Q-$1) was of much shorter duration in the group with acute mitral regurgitation (472 f 9 msec [mean f standard error of the mean]) than in the group with chronic mitral regurgitation (516 f 4.6 msec, P

Abbreviation of systolic time intervals in acute mitral regurgitation: effect of prosthetic mitral valve replacement.

Abbreviation of Systolic Time Intervals in Acute Mitral Regurgitation: Effect of Prosthetic Mitral Valve Replacement HARISIOS RICHARD BOUDOULAS, MD,...
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