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

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

Aim The quantitative flow ratio (QFR) is favorable for functional assessment of coronary
artery stenosis without pressure wires and induction of hyperemia. The aim of this study was …

Background The aim of this study was to evaluate the diagnostic performance of coronary
CT angiography (CTA)-based quantitative flow ratio (QFR), namely CT-QFR, and compare it …

Background Coronary computed tomography angiography (CCTA)-derived Murray law-
based quantitative flow ratio (CT-μFR) is a novel non-invasive method for fast computation of …

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 …

Background Both quantitative flow ratio (QFR) and fractional flow reserve derived from
computed tomography (FFR CT) have shown significant correlations with invasive wire …

Background: Quantitative flow ratio (QFR) is a newly developed image-based index for
estimating fractional flow reserve (FFR). Methods and Results: We analyzed 151 coronary …

Background Quantitative flow ratio (QFR) is a novel angiography-derived index aimed to
assess the functional relevance of coronary stenoses without pressure wires and adenosine …

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 …