Background Quantitative flow ratio (QFR) is a novel diagnostic modality enabling functional
coronary lesion assessment based on reconstructed CAG images without the need for …

Background Fractional flow reserve (FFR)-guided percutaneous coronary intervention (PCI)
is linked to superior outcomes compared with angiography directed PCI. However, FFR …

Objectives The aim of this prospective multicenter study was to identify the optimal approach
for simple and fast fractional flow reserve (FFR) computation from radiographic coronary …

Assessment of the functional significance of coronary artery stenosis using invasive
measurement of fractional flow reserve (FFR) or non-hyperemic indices has been shown to …

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

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 …

Background Non-invasive fractional flow reserve (FFR) has been increasingly used in the
clinical workflow to assist clinical decision-making for percutaneous coronary intervention …

Background Fractional flow reserve (FFR) is the gold standard for functional assessment of
intermediate lesions. However, interrogating a stenosis with pressure-wire prolongs the …

Background Pressure wire based fractional flow reserve (FFR) may be used for functional
testing of stenosis-mediated ischemia. To further expand the use of physiological lesion …

Background FFRangio and QFR are angiography-based technologies that have been
validated in patients with stable coronary artery disease. No head-to-head comparison to …