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血流储备分数(FFR)是评估冠状动脉功能性狭窄的金标准,对冠状动脉粥样硬化性心脏病(冠心病)、心肌缺血具有重要的诊断价值,在经皮冠状动脉介入治疗方面亦具有重要的指导作用.但FFR并未在临床实践中得到广泛应用. 该文就 FFR 及其在冠心病诊断和治疗中的作用予以综述,以期推动FFR在临床中的应用和发展.“,”Fractional flow reserve(FFR) is a gold standard in the assessment of coronary artery stenosis. It has great value in the diagnosis of myocardial ischemia and coronary heart disease,and plays an important role in percutaneous coronary intervention.However,fractional flow reserve has not been widely used in clini-cal practice.Here is to make a review of the application of FFR and its role in the diagnosis and treatment of coronary artery disease,in order to promote the application and development of FFR.