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目的:研究功能性非显著性狭窄采用支架置入治疗的可行性。背景:对无缺血证据的临界狭窄通常实施经皮冠状动脉介入治疗(PCI),但其益处尚未得到证实。依据冠状动脉压力测定的心肌血流储备(FFR)是一个有
OBJECTIVE: To investigate the feasibility of stent placement in patients with functional nonsignificant stenosis. Background: Percutaneous coronary intervention (PCI) is usually performed on the critical non-ischemic evidence of stenosis, but the benefits have not been demonstrated. Cardiac flow reserve (FFR) is a measure of coronary artery pressure