Exercise-Induced Myocardial Ischemia in a Case of Anomalous Origin of the Left Main Coronary Artery from the Noncoronary Sinus of Valsalva

被引：0
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作者：
Mitsunori Nishiyama
Shouzaburo Doi
Akiko Matsumoto
Masato Nishioka
Susumu Hosokawa
Akihito Sasaki
Shuki Mizutani
机构：
[1] Tokyo Medical and Dental University,Graduate School of Medicine
来源：
Pediatric Cardiology | 2011年 / 32卷
关键词：
Anomalous origin of the coronary artery; Acute angle take-off of the coronary artery; Sudden cardiac death; Myocardial ischemia;
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摘要：
We report a case of anomalous origin of the left main coronary artery (LCA) from the noncoronary sinus of valsalva (LCANCS) in a young healthy patient who presented with syncope and cardiopulmonary arrest during exercise. The enhanced computed tomography showed acute angle take-off (AAT) of LCA, and the exercise stress thallium-201 myocardial scintigraphy demonstrated a large defect at the LCA perfusion region. We propose that the coexistence of AAT and resulting ischemia causes sudden cardiac death during exercise in the patients with LCANCS.
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