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目的:血管造影显示具良好侧支循环的慢性完全性冠状动脉闭塞(CTO)被认为能为梗阻节段提供充足血供,对其是否具有血运重建适应证尚有疑虑。故对无Q波心肌梗死(MI)史的CTO患者的侧支功能和功能储备进行评估。
OBJECTIVE: Angiography showed that chronic complete coronary occlusion (CTO) with good collateral circulation is considered to provide adequate blood supply to the obstructive segment and that it is doubtful whether it has a revascularization indication. Therefore, CTO patients without history of Q wave myocardial infarction (MI) collateral function and functional reserve were assessed.