The quantitative flow ratio (QFR) is a novel angiography-based computational method
assessing functional ischemia caused by coronary stenosis. This study aimed to evaluate …

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

BACKGROUND: Quantitative flow ratio derived from computed tomography angiography
(CT-QFR) and invasive coronary angiography (Murray law–based quantitative flow ratio …

Fractional flow reserve (FFR) has become the gold standard for evaluating coronary lesion-
specific ischemia. However, FFR is an invasive method that may cause possible …

Introduction: Quantitative flow ratio (QFR) is a novel method enabling efficient computation
of FFR from three-dimensional quantitative coronary angiography (3D QCA) and …

Background Quantitative flow ratio (QFR) has a high diagnostic accuracy in assessing
functional stenoses relevance, as judged by fractional flow reserve (FFR). However, its …

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 …

Several studies have demonstrated the feasibility and safety of hemodynamic assessment of
non-culprit coronary arteries in setting of acute coronary syndromes (ACS) using fractional …

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 …

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