[原著]僧帽弁逸脱症候群に細菌性心内膜炎を合併した一例

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It is well known that there is a definite association between mitral leaflet prolapse and infective endocarditis. In Japan, however, only two cases of mitral valve prolapse syndrome complicated by infective endocarditis had ever been reported. We reported here such a case and emphasized the need of taking prophylactic measures against this complication. The patient, aged 44, was adimtted to our hospital on Feb. 23, 1978 because of remittent fever. He had been in fair condition untill Feb., 1976 when he came to suffer from occasional high grade fever and pains in the right sternoclavicular joint and on the finger tips. On Feb. 17, 1977 he was attacked by cerebral bleeding which was known to be caused by the rupture of mycotic aneurysma at the neurosurgical operation. After one month of uneventful post operative course remittent fever recurred. With physical examination anemia and hepatosplenomegaly were obviously revealed. There was a grade 2/6 apical holosystolic murmur without click. Blood culture provided positive return of streptococcus viridans. At the real time 2-D echocardiographic examination posterior mitral leaflet prolapse was observed. No destructive change of mitral and aortic valves was detected. Intravenous administration of penicillin G was successful in the eradication of the infective organism. In view of these facts, it was postulated that in this case infective endocarditis might have occured on the prolapsed mitral valve.
琉球大学医学部の論文

[原著]僧帽弁逸脱症候群に細菌性心内膜炎を合併した一例

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