Quantitative flow ratio for evaluation of borderline coronary lesions in patients with severe aortic stenosis
P Kleczynski, A Dziewierz, L Rzeszutko… - Revista Española de …, 2022 - Elsevier
Introduction and objectives Quantitative flow ratio (QFR) is a novel noninvasive method for
evaluating coronary physiology. However, data on the QFR in patients with aortic stenosis …
evaluating coronary physiology. However, data on the QFR in patients with aortic stenosis …
Comparison of resting distal to aortic coronary pressure with angiography-based quantitative flow ratio
BE Stähli, A Erbay, J Steiner, J Klotsche… - International journal of …, 2019 - Elsevier
Background Quantitative flow ratio (QFR) is a novel, adenosine-free method for functional
coronary lesion interrogation, which is based on 3-dimensional quantitative coronary …
coronary lesion interrogation, which is based on 3-dimensional quantitative coronary …
[HTML][HTML] Angiography-based quantitative flow ratio versus fractional flow reserve in patients with coronary artery disease and severe aortic stenosis
H Mejia-Renteria, L Nombela-Franco… - …, 2020 - eurointervention.pcronline.com
Aims: The aim of this study was to investigate the diagnostic performance of quantitative flow
ratio (QFR) in assessing the physiological relevance of coronary lesions in the presence of …
ratio (QFR) in assessing the physiological relevance of coronary lesions in the presence of …
Validity and correlation of quantitative flow ratio with fractional flow reserve for assessment of intermediate coronary lesions
G Kasinadhuni, A Batta, AA Gawalkar… - Acta …, 2023 - Taylor & Francis
Background The angiographic percent diameter stenosis (% DS) do not assess the
physiological significance of epicardial coronary stenosis. The currently practised …
physiological significance of epicardial coronary stenosis. The currently practised …
[HTML][HTML] Hyperemic versus non-hyperemic indexes for coronary physiology assessment in patients with severe aortic stenosis
P Kleczynski, A Dziewierz, L Rzeszutko… - Advances in Medical …, 2021 - Elsevier
Purpose Recent data suggests that fractional flow reserve (FFR) may underestimate
intermediate coronary stenosis in the presence of severe aortic stenosis (AS), whereas …
intermediate coronary stenosis in the presence of severe aortic stenosis (AS), whereas …
Coronary physiology in patients with severe aortic stenosis: comparison between fractional flow reserve and instantaneous wave-free ratio
R Scarsini, G Pesarini, C Zivelonghi, A Piccoli… - International Journal of …, 2017 - Elsevier
Background The functional assessment of coronary artery disease (CAD) in patients with
aortic stenosis (AS) has not been validated so far, and the best strategy to physiologically …
aortic stenosis (AS) has not been validated so far, and the best strategy to physiologically …
Diagnostic agreement of quantitative flow ratio with fractional flow reserve and instantaneous wave‐free ratio
Background Quantitative flow ratio (QFR) has a high diagnostic accuracy in assessing
functional stenoses relevance, as judged by fractional flow reserve (FFR). However, its …
functional stenoses relevance, as judged by fractional flow reserve (FFR). However, its …
Comparison of quantitative flow ratio and invasive physiology indices in a diverse population at a tertiary united states hospital
M Finizio, GD Melaku, Y Kahsay, S Beyene… - Cardiovascular …, 2021 - Elsevier
Background Quantitative flow ratio (QFR) is a technology to evaluate the coronary stenosis
significance on 3-dimensional quantitative coronary angiography. The aim of this study is to …
significance on 3-dimensional quantitative coronary angiography. The aim of this study is to …
A comparison between the instantaneous wave-free ratio and resting distal coronary artery pressure/aortic pressure and the fractional flow reserve: The diagnostic …
N Shiode, T Okimoto, H Tamekiyo, T Kawase… - Internal …, 2017 - jstage.jst.go.jp
Objectives The fractional flow reserve (FFR) is an index of the severity of coronary stenosis
that has been clinically validated in several studies. The instantaneous wave-free ratio (iFR) …
that has been clinically validated in several studies. The instantaneous wave-free ratio (iFR) …
Diagnostic accuracy of angiography-based quantitative flow ratio measurements for online assessment of coronary stenosis
B Xu, S Tu, S Qiao, X Qu, Y Chen, J Yang, L Guo… - Journal of the American …, 2017 - jacc.org
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 …
fractional flow reserve (FFR) without pressure wire or induction of hyperemia. The accuracy …