瞬時無波形比值在冠狀動脈狹窄病變診斷與血運重建評估中的應(yīng)用進展
發(fā)布時間:2018-08-18 14:16
【摘要】:血流儲備分?jǐn)?shù)(FFR)是穩(wěn)定性缺血性冠心病患者冠狀動脈(簡稱冠脈)狹窄病變評估的常用方法,但需要應(yīng)用血管擴張藥物后在冠脈充盈狀態(tài)下進行檢測。瞬時無波形比值(i FR)為舒張期無波形間期狹窄病變遠(yuǎn)端冠脈平均壓力與舒張期無波形間期主動脈平均動脈壓的比值,是新的評價冠脈血管狹窄嚴(yán)重程度的指標(biāo),檢測過程無需應(yīng)用冠狀動脈血管擴張藥物。臨床研究顯示i FR與FFR相關(guān)性良好,對冠脈狹窄病變的診斷效能較好,但目前仍不能取代FFR,兩者聯(lián)合應(yīng)用既能減少血管擴張藥的使用、簡化操作,又可以提高診斷準(zhǔn)確率。i FR與FFR對血運重建評估的一致性較好,i FR單用或與FFR聯(lián)用指導(dǎo)冠脈血運重建策略值得期待。
[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.
【作者單位】: 天津市第一中心醫(yī)院國際診療中心;
【分類號】: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.
【作者單位】: 天津市第一中心醫(yī)院國際診療中心;
【分類號】:R541.4
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