Two dimensional echocardiographic evaluation of patients with mitral insufficiency |
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Authors: | G S Mintz M N Kotler B L Segal W R Parry |
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Institution: | From the Cardiovascular Institute, Hahnemann Medical College and Hospital, Philadelphia, Pennsylvania, U.S.A. |
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Abstract: | One hundred forty patients with clinical mitral insufficiency were studied with two dimensional echocardiography. Cardiac catheterization was performed in 51 patients; all had mitral insufficiency. Thirty-three patients were surgically treated. An etiologic diagnosis was made in 133 patients. Mitral valve prolapse (41 patients) was the most common cause of mitral insufficiency; the amount of valve insufficiency did not correlate with the leaflet involved or the severity of the prolapse. Patients with rheumatic disease either had combined mitral stenosis and insufficiency (27 patients) or pure mitral insufficiency (10 patients). Echocardiographic measurement of the mitral valve area separated patients with combined lesions from those with pure insufficiency. Fourteen patients had ruptured chordae tendineae; surgical findings were confirmatory in each patient who had valve replacement. Nineteen patients had left ventricular dysfunction; angiographie findings were confirmatory in each patient who underwent cardiac catheterization. Two dimensional echocardiographic findings reliably differentiated mitral insufficiency secondary to valve disease from that secondary to ventricular or papillary muscle dysfunction. Other causes of mitral insufficiency included mitral anular calcification (11 patients), idiopathic hypertrophic subaortic stenosis (5 patients), cleft anterior mitral leaflet (5 patients) and atrial myxoma (1 patient). |
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Keywords: | Address for reprints: Gary S Mintz MD Cardiovascular Institute Hahnemann Medical College and Hospital 230 North Broad Street Philadelphia Pennsylvania 19 102 |
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