Objective To study the incidence of isolated coronary artery ectasia, its clinical and angiographic characteristics, and its prognosis.

目的研究单纯性冠状动脉扩张的发生率、影像学及临床特点、预后。

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Conclusion Isolated coronary artery ectasia is unusual in the patients underwent coronary angiography and associated with the traditional risk factors, except diabetes.

结论单纯性冠状动脉扩张在冠状动脉造影中少见，与除糖尿病外所有冠心病的危险因素相关。

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