Background Quantitative flow ratio (QFR) is a tool for physiological lesion assessment based
on invasive coronary angiography. Aims We aimed to assess the reproducibility of QFR …

Objectives We aimed to provide robust performance estimates for quantitative flow ratio
(QFR) in assessment of intermediary coronary lesions. Background Angiography‐based …

Introduction Despite of the wide evidence of use fractional flow reserve (FFR), isolated
angiography evaluation is still the main tool to indicate percutaneous coronary intervention …

Background Quantitative flow ratio (QFR) is a novel angiography-based physiological index
for fast computation of fractional flow reserve without the use of a pressure wire or induction …

Background: 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 …

Background: Quantitative flow ratio (QFR) is a novel approach to derive fractional flow
reserve (FFR) from coronary angiography. This study sought to evaluate the reproducibility …

Background Quantitative flow ratio (QFR) is a novel modality for physiological lesion
assessment based on 3‐dimensional vessel reconstructions and contrast flow velocity …

Background Computational quantitative flow ratio (QFR) based on 3-dimensional
quantitative coronary angiography (3D QCA) analysis offers the opportunity to assess the …

Background Compared with visual angiographic assessment, pressure wire-based
physiological measurement more accurately identifies flow-limiting lesions in patients with …

Aims To evaluate diagnostic accuracy of quantitative flow ratio (QFR). A novel method was
used for non-invasive functional assessment of intermediate coronary lesions. Fractional …