关于冠脉血流储备分数FFR、QFR、FFRCT的简单笔记 - 知乎
QFR是采用两个不同角度拍摄的血管造影（XA）图像，采用一定算法，计算得到FFR指标。 准确的说，是对同一血管，从两个不同角度（角度差大于25度）进行拍照成像，如下图右上方两 …
FFR和QFR技术，令冠心病评估更精准 - 健康界
2019年3月29日 · QFR技术，全名为定量血流分数（Quantitative Flow Ratio），是基于常规术中冠状动脉血管造影术获得的血管造影数据，通过三维重建和血流动力学分析，且可实现术中在线 …
QFR No Match for FFR in Guiding Revascularizations: FAVOR III …
2024年10月30日 · WASHINGTON, DC—As a guide for deciding whether to revascularize patients with intermediate coronary stenoses, quantitative flow ratio (QFR) isn’t able to match fractional …
QFR Versus FFR Derived From Computed Tomography for …
QFR and FFR CT are recently developed, less invasive techniques for functional assessment of coronary artery disease. QFR, FFR CT, and FFR were measured in 152 patients (233 vessels) …
健心知著 | QFR vs FFR指导冠状动脉血运重建（FAVOR III欧洲）： …
2024年11月22日 · 本研究（欧洲 FAVOR III）是一项多中心、随机、开放标签、非劣效试验，旨在研究与FFR相比，基于QFR的诊断策略是否能产生非劣效的临床结局。 本文于2024年10月发 …
Quantitative flow ratio versus fractional flow reserve for coronary ...
2024年11月15日 · Quantitative flow ratio (QFR) is an angiography-based computational method for the estimation of FFR that does not require the use of pressure wires. We aimed to …
Quantitative flow ratio versus fractional flow reserve for coronary ...
2024年11月9日 · Quantitative flow ratio (QFR) is an angiography-based computational method for the estimation of FFR that does not require the use of pressure wires. We aimed to investigate …
QFR Versus FFR Derived From Computed Tomography for …
2019年10月28日 · Results: QFR was highly correlated with FFR (r = 0.78; p < 0.001), whereas FFR CT was moderately correlated with FFR (r = 0.63; p < 0.001). Both QFR and FFR CT …
Diagnostic Accuracy of Angiography-Based Quantitative Flow …
Quantitative flow ratio (QFR) is a novel angiography-based method for deriving fractional flow reserve (FFR) without pressure wire or induction of hyperemia. The accuracy of QFR when …
Diagnostic performance of QFR vs FFR
Fractional flow reserve (FFR) is an invasive assessment of the functional significance of coronary stenosis utilizing a pressure wire. Quantitative flow ratio (QFR) is an angiography-based …