Applicability of 3-dimensional quantitative coronary angiography-derived computed fractional flow reserve for intermediate coronary stenosis
K Yazaki, M Otsuka, S Kataoka, M Kahata… - Circulation …, 2017 - jstage.jst.go.jp
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 …
estimating fractional flow reserve (FFR). Methods and Results: We analyzed 151 coronary …
Applicability of quantitative flow ratio for rapid evaluation of intermediate coronary stenosis: comparison with instantaneous wave-free ratio in clinical practice
M Watarai, M Otsuka, K Yazaki, Y Inagaki… - … International Journal of …, 2019 - Springer
Quantitative flow ratio (QFR) is an image-based fractional flow reserve (FFR) computed by
three-dimensional quantitative coronary angiography and estimated flow velocity. Several …
three-dimensional quantitative coronary angiography and estimated flow velocity. Several …
Quantitative flow ratio derived from diagnostic coronary angiography in assessment of patients with intermediate coronary stenosis: a wire-free fractional flow reserve …
Ł Kołtowski, M Zaleska, J Maksym, M Tomaniak… - Clinical Research in …, 2018 - Springer
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 …
used for non-invasive functional assessment of intermediate coronary lesions. Fractional …
Diagnostic performance of angiography-based fractional flow reserve for functional evaluation of coronary artery stenosis
C Li, X Leng, J He, Y Xia, W Jiang, Y Pan… - Frontiers in …, 2021 - frontiersin.org
Background: A new method for calculating fraction flow reserve (FFR) without pressure-wire
(angiography-derived FFR) based on invasive coronary angiography (ICA) images can be …
(angiography-derived FFR) based on invasive coronary angiography (ICA) images can be …
Fractional flow reserve calculation from 3-dimensional quantitative coronary angiography and TIMI frame count: a fast computer model to quantify the functional …
Objectives: This study sought to present a novel computer model for fast computation of
myocardial fractional flow reserve (FFR) and to evaluate it in patients with intermediate …
myocardial fractional flow reserve (FFR) and to evaluate it in patients with intermediate …
Reproducibility of quantitative flow ratio: An inter-core laboratory variability study
Y Chang, L Chen, J Westra, Z Sun, C Guan… - Cardiology …, 2020 - journals.viamedica.pl
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 …
reserve (FFR) from coronary angiography. This study sought to evaluate the reproducibility …
Functional classification discordance in intermediate coronary stenoses between fractional flow reserve and angiography-based quantitative flow ratio
Y Kanno, M Hoshino, R Hamaya, T Sugiyama… - Open …, 2020 - openheart.bmj.com
Background Measurement of the contrast-flow quantitative flow ratio (cQFR) is a novel
method for rapid computational estimation of fractional flow reserve (FFR). Discordance …
method for rapid computational estimation of fractional flow reserve (FFR). Discordance …
Validation study of image-based fractional flow reserve during coronary angiography
M Pellicano, I Lavi, B De Bruyne… - Circulation …, 2017 - Am Heart Assoc
Background—Fractional flow reserve (FFR), an index of the hemodynamic severity of
coronary stenoses, is derived from invasive measurements and requires a pressure …
coronary stenoses, is derived from invasive measurements and requires a pressure …
Accuracy and reproducibility of fast fractional flow reserve computation from invasive coronary angiography
AR Van Rosendael, G Koning… - … International Journal of …, 2017 - Springer
Fractional flow reserve (FFR) guided percutaneous coronary intervention (PCI) is associated
with favourable outcome compared with revascularization based on angiographic stenosis …
with favourable outcome compared with revascularization based on angiographic stenosis …
Software-based on-site estimation of fractional flow reserve using standard coronary CT angiography data
J De Geer, M Sandstedt, A Björkholm… - Acta …, 2016 - journals.sagepub.com
Background The significance of a coronary stenosis can be determined by measuring the
fractional flow reserve (FFR) during invasive coronary angiography. Recently, methods have …
fractional flow reserve (FFR) during invasive coronary angiography. Recently, methods have …