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Journal of Medical Ultrasonics

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1995 - Vol.22

Vol.22 No.03

Original Article(原著)

(0241 - 0245)


Transthoracic Echocardiography for Clinical Diagnosis and Treatment of Right-sided Infective Endocarditis

藤田 晋一1, 田内 潤2, 西野 雅巳2, 田中 健二郎2, 森岡 敏一2, 棚橋 秀生2, 山田 義夫2, 正木 友二1, 山口 睦弘1, 野村 誠1

Shinichi FUJITA1, Jun TANOUCHI2, Masami NlSHINO2, Kenjiro TANAKA2, Toshikazu MORIOKA2, Hideo TANAHASHI2, Yoshio YAMADA2, Yuji MASAKI1, Mutuhiro YAMAGUCHI1, Makoto NOMURA1

1大阪労災病院臨床検査科, 2大阪労災病院循環器内科

1Clinical Laboratory, Osaka Rosai Hospital, 2Department of Cardiology, Osaka Rosai Hospital

キーワード : Infective endocarditis, Pulmonary valve, Tricuspid valve, Two-dimensional echocardiography, <I>Staphylococcus aureus</I>

Right-sided infective endocarditis (IE) is rare in Japan, probably because rate of drug addiction is lower in Japan than in the Western countries. We diagnosed three cases of right-sided IE using transthoracic echocardiography: two were isolated tricuspid valve IE, and one was pulmonary valve IE complicated with ventricular septal defect (VSD) and double-chambered right ventricule (DCRV). Two cases of isolated tricuspid valve IE were successfully treated by cardiac surgery: In one, the treatment consisted of vegetectomy and leaflet repair; in the other, replacement of the tricuspid valve. A thrid case ended with the sudden death of the patient before surgery. Transthoracic echocardiography proved useful for clinical diagnosis and follow-up of right-sided IE, as well as for clinical selection of surgical procedures.