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A Case of Type-I Coronary Ectasia and Hypertrophic Obstructive Cardiomyopathy Takato Hikosaka 1 , Kazuki Ito 1 , Takuya Tanabe 1 , Kan Zen 1 , Yoshihiko Adachi 1 , Satoshi Yoneyama 1 , Syuji Kato 1 , Akihiro Azuma 2 , Hiroki Sugihara 2 1Department of Cardiology, Murakami Memorial Hospital, Asahi University 2Second Department of Medicine, Kyoto Prefectural University of Medicine Keyword: 肥大型閉塞性心筋症 , 冠動脈拡張症 , 123I-BMIPP心筋SPECT , hypertrophic obstructive cardiomyopathy , coronary ectasia , 123I-BMIPP myocardial SPECT pp.1073-1078
Published Date 2000/10/15
DOI https://doi.org/10.11477/mf.1404902181
  • Abstract
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A 69 year-old-woman developed chest oppression oneffort and leg edema. Echocardiography showed asym-metric septal hypertrophy, systolic anterior motion ofthe mitral valve leaflet, left ventricular pressure gradi-ent and hypokinesis at the apex. These echocardiogra-phic findings, except for hypokinesis at the apex, werecompatible with hypertrophic obstructive car-diomyopathy. 99mTc-tetrofosmin myocardial SPECTshowed reduced uptake in the apex, and 123I-BMIPPmyocardial SPECT showed reduced uptake at the anter-oseptal wall and apex. These SPECT findings werecompatible with ischemic heart disease rather than withhypertrophic obstructive cardiomyopathy. Coronaryangiography showed no organic stenosis, but diffusecoronary ectasia was noted in three vessels. Intravas-cular ultrasound revealed remarkable coronary ectasia,and the maximal diameter was 8.8mm. These findingssuggest that the etiology in this patient might be ex-plained by hypertrophic obstructive cardiomyopathyand microembolization due to coronary ectasia.


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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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