心肌缺血并不总是由于心外膜动脉粥样硬化疾病引起的。
Myocardial ischemia is not always due to epicardial atheromatous disease.
出版信息
Clin Cardiol. 2011 Jan;34(1):8-9. doi: 10.1002/clc.20871.
Abstract
Symptoms related to myocardial ischemia, for the most part, are due to high-grade epicardial coronary artery stenoses. However, in some instances at coronary angiography, no such lesions are seen to account for symptoms due to an imbalance between myocardial oxygen supply and myocardial oxygen demand. Thus, the finding of normal or nonobstructive epicardial coronary arteries at coronary angiography does not exclude the presence of myocardial ischemia in some patients.
摘要
与心肌缺血相关的症状主要归因于高级别心外膜冠状动脉狭窄。然而，在某些情况下，冠状动脉造影并未发现此类病变可解释因心肌氧供与氧需失衡所致的症状。因此，冠状动脉造影发现正常或无阻塞性心外膜冠状动脉并不能排除某些患者存在心肌缺血。
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