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Diastolic Mitral Regurgitation in Patients With Aortic Valve Replacement
Ronald J. Nelson, MD;
Ira M. Feldman, MD;
J. Michael Criley, MD;
Richard J. Cleveland, MD
AMA Arch Surg. 1973;107(1):26-29.
Abstract
Diastolic mitral regurgitation is an unusual phenomenon, which occurs when the left ventricular pressure exceeds the left atrial pressure during diastole. Four patients with angiographically documented diastolic mitral regurgitation were studied by synchronized pressure and cineangiographic techniques, and later underwent successful aortic valve replacement. Two had severe aortic regurgitation without associated lesions. The third had mild aortic regurgitation associated with severe aortic stenosis, and the fourth had moderate aortic regurgitation and severe myocardial dysfunction. Aortic regurgitation thus "overfills" the left ventricle, either by a large increment in left ventricular filling or by lesser degrees of increment in a noncompliant (hypertrophic or cardiomyopathic) ventricle. It is important to recognize diastolic mitral regurgitation, since it implies a severe hemodynamic state and can be relieved without mitral valve replacement.
Author Affiliations
Los Angeles
From the departments of surgery (Drs. Nelson and Cleveland) and medicine (Drs. Feldman and Criley), Harbor General Hospital, Torrance, Calif, and the UCLA School of Medicine, Los Angeles. Dr. Cleveland is now with Tufts University, Boston.
Footnotes
Accepted for publication March 2, 1973.
Read before the annual meeting of the Southern California Chapter of the American College of Surgeons, Newport Beach, Calif, Jan 20, 1973.
Reprint requests to Department of Surgery, Harbor General Hospital, 1000 W Carson St, Torrance, CA 90509 (Dr. Nelson).
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ABSTRACT
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