Results 331 to 340 of about 265,310 (385)

CT Fractional Flow Reserve: A Practical Guide to Application, Interpretation, and Problem Solving.

Radiographics, 2022
CT fractional flow reserve (FFRCT) is a physiologic simulation technique that models coronary flow from routine coronary CT angiography (CTA). To evaluate lesion-specific ischemia, FFRCT is measured 2 cm distal to a stenotic lesion.
P. Rajiah, K. Cummings, E. Williamson, P. Young   +3 more
semanticscholar   +1 more source

Fractional Flow Reserve

MD Conference Express, 2012
Fractional flow reserve has become an essential tool in the modern catheterization laboratories. FFR has shown to be more accurate for the detection of ischemia than available non-invasive methods. Unlike these modalities, FFR is able to pinpoint the lesions causing ischemia, thereby achieving unequaled spatial resolution. Its use has been validated in
W. A. L. Tonino, Nico H.J. Pijls, J. E. M. Sels   +2 more
openaire   +5 more sources

Coronary Fractional Flow Reserve [PDF]

American Journal of Roentgenology, 2015
OBJECTIVE. This article presents the basic definitions and concepts of fractional flow reserve (FFR), a focused understanding of the need for hyperemia during assessment, key clinical studies supporting its use, and an introduction to newer noninvasive methods using FFR CT. CONCLUSION.
Anil Mehra, Ronney Shantouf
openaire   +2 more sources

Coronary Computed Tomography Angiography–derived Fractional Flow Reserve

Journal of thoracic imaging, 2022
Invasive fractional flow reserve (FFR) measured by a pressure wire is a reference standard for evaluating functional stenosis in coronary artery disease.
L. Zhang, C. Tang, P. Xu, B. Guo, F. Zhou, Y. Xue, Jiayin Zhang, M. Zheng, Lei Xu, Yang Hou, B. Lu, Youmin Guo, Jingliang Cheng, C. Liang, B. Song, Huimao Zhang, N. Hong, Peijun Wang, Min Chen, K. Xu, Shiyuan Liu, Zhengyu Jin, G. Lu   +22 more
semanticscholar   +1 more source

Fractional flow reserve and beyond

Heart, 2013
In stable coronary artery disease, clinical decision making regarding percutaneous coronary intervention (PCI) of coronary artery stenoses is optimally based upon an evaluation of the functional severity of the coronary lesion.1 ,2 As such, intracoronary (IC) physiology has emerged as a standard diagnostic modality in the contemporary armamentarium of ...
Jan J. Piek, Tim P. van de Hoef, Martijn Meuwissen   +2 more
openaire   +3 more sources

The vulnerability of fractional flow reserve

Acta Cardiologica, 2011
(2011). The vulnerability of fractional flow reserve. Acta Cardiologica: Vol. 66, No. 4, pp. 519-522.
Christophe Dubois, Kevin Onsea
openaire   +3 more sources

Additional value of deep learning computed tomographic angiography-based fractional flow reserve in detecting coronary stenosis and predicting outcomes

Acta Radiologica, 2021
Background Deep learning (DL) has achieved great success in medical imaging and could be utilized for the non-invasive calculation of fractional flow reserve (FFR) from coronary computed tomographic angiography (CCTA) (CT-FFR).
Yang Li, H. Qiu, Z. Hou, Jianfeng Zheng, Jianan Li, Youbing Yin, R. Gao   +6 more
semanticscholar   +1 more source

Fractional Flow Reserve

2015
Fractional flow reserve has been increasingly popular in assessing the severity of coronary stenosis in indeterminate lesions. Moreover, it has had an increasing role as a prognostic indicator and has been incorporated in different angiographic scores to assess the appropriate revascularization strategy.
Mazen Shoukfeh, Ivan Hanson, Amr E. Abbas   +2 more
openaire   +2 more sources

Validation of 3-Dimensional Quantitative Coronary Angiography based software to calculate Fractional Flow Reserve: Fast Assessment of STenosis severity (FAST)-study.

EuroIntervention, 2020
AIMS To validate novel software to calculate vessel Fractional Flow Reserve (vFFR) based on 3D-QCA and to assess inter-observer variability in patients who underwent routine pre procedural FFR assessment for intermediate coronary artery stenosis ...
K. Masdjedi, L. V. van Zandvoort, M. Balbi, F. Gijsen, J. Ligthart, M. Rutten, M. Lemmert, J. Wilschut, R. Diletti, P. D. de Jaegere, F. Zijlstra, N. Van Mieghem, J. Daemen   +12 more
semanticscholar   +1 more source

Coronary CT Fractional Flow Reserve before Transcatheter Aortic Valve Replacement: Clinical Outcomes.

Radiology, 2021
Background The role of CT angiography-derived fractional flow reserve (CT-FFR) in pre-transcatheter aortic valve replacement (TAVR) assessment is uncertain.
G. Aquino, Andres F Abadia, U. Schoepf, T. Emrich, Basel Yacoub, I. Kabakus, Alexis Violette, Courtney Wiley, Antonio Vallecillo, P. Sahbaee, C. Schwemmer, Richard R Bayer, A. Varga-Szemes, D. Steinberg, N. Amoroso, Madison R. Kocher, Jeffrey Waltz, T. Ward, J. Burt   +18 more
semanticscholar   +1 more source