瞬时无波形比值在冠状动脉狭窄病变诊断与血运重建评估中的应用进展
发布时间：2018-08-18 14:16
【摘要】：血流储备分数(FFR)是稳定性缺血性冠心病患者冠状动脉(简称冠脉)狭窄病变评估的常用方法,但需要应用血管扩张药物后在冠脉充盈状态下进行检测。瞬时无波形比值(i FR)为舒张期无波形间期狭窄病变远端冠脉平均压力与舒张期无波形间期主动脉平均动脉压的比值,是新的评价冠脉血管狭窄严重程度的指标,检测过程无需应用冠状动脉血管扩张药物。临床研究显示i FR与FFR相关性良好,对冠脉狭窄病变的诊断效能较好,但目前仍不能取代FFR,两者联合应用既能减少血管扩张药的使用、简化操作,又可以提高诊断准确率。i FR与FFR对血运重建评估的一致性较好,i FR单用或与FFR联用指导冠脉血运重建策略值得期待。
[Abstract]:Flow reserve fraction (FFR) is a common method for assessing coronary artery stenosis in patients with stable ischemic coronary artery disease (SICAD), but it needs to be measured under coronary filling after using vasodilators. The ratio of the mean aortic pressure at waveform interval is a new index to evaluate the severity of coronary artery stenosis. There is no need to use coronary artery vasodilators during the detection process. The accuracy of diagnosis can be improved by using fewer vasodilators and simplifying the procedure. IFR and FFR have a good consistency in the evaluation of revascularization. It is expected that the strategy of coronary revascularization guided by I FR alone or combined with FFR should be expected.
【作者单位】： 天津市第一中心医院国际诊疗中心;
【分类号】：R541.4
[Abstract]:Flow reserve fraction (FFR) is a common method for assessing coronary artery stenosis in patients with stable ischemic coronary artery disease (SICAD), but it needs to be measured under coronary filling after using vasodilators. The ratio of the mean aortic pressure at waveform interval is a new index to evaluate the severity of coronary artery stenosis. There is no need to use coronary artery vasodilators during the detection process. The accuracy of diagnosis can be improved by using fewer vasodilators and simplifying the procedure. IFR and FFR have a good consistency in the evaluation of revascularization. It is expected that the strategy of coronary revascularization guided by I FR alone or combined with FFR should be expected.
【作者单位】： 天津市第一中心医院国际诊疗中心;
【分类号】：R541.4
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