Diagnosis of prosthetic mitral valve malfunction with combined echo-phonocardiography.

作者: B R Brodie , W Grossman , L McLaurin , P J Starek , E Craige

DOI: 10.1161/01.CIR.53.1.93

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摘要: Fifty-three patients were studied with combined echo-phonocardiography or phonocardiography alone following prosthetic valve replacement. In sixteen of these patients, clinical deterioration developed, and all subsequently underwent cardiac catheterization and/or surgery. Two came to autopsy. Included in this group five obstructed prosthesis, six paravalvular regurgitation, left ventricular dysfunction. Measurements made the time interval from aortic closure sound peak opening mitral prosthesis determined echocardiographically click (A2-MVO). Echocardiographic studies wall motion also performed. The A2-MVO was significantly shortened (P less than 0.01) obstruction (.05 +/- .02 sec) regurgitation .01 compared normally functioning prostheses (Starr-Edwards ball valves .10 sec, Lillehei...

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