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近年来，大量研究证据表明使用冠状动脉血流储备分数判定心肌缺血相关病灶准确性极佳，通过测量冠状动脉血流储备分数确定冠心病的治疗方案可以提高疗效并节约资源。如果存在明显的血流动力学改变，就应考虑血运重建治疗；而无显著血流动力学改变的病灶则可通过药物治疗。“,”Recently, there are lots of data validating the accuracy of measuring fractional flow reserve( FFR) to detect ischemia-relat-ed lesions.FFR-guided management of these lesions brings better outcomes and saves resources.Hemodynamically significant lesions should be treated by operation while non-hemodynamically significant lesions can be treated medically.