The influence of side branch stenosis on fractional flow reserve assessment of the main branch in a swine model
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DOI: 10.1002/ccd.26457
Abstract: The aim of this study was to explore the effect of one stenosis in a daughter artery on the fractional flow reserve (FFR) of another stenosis parallels in side branch. Background: The impact of one… read more here.
Keywords: fractional flow; flow reserve; stenosis; side branch ... See more keywords
Diagnostic accuracy of a hybrid approach of instantaneous wave‐free ratio and fractional flow reserve using high‐dose intracoronary adenosine to characterize intermediate coronary lesions: Results of the PALS (Practical Assessment of Lesion Severity) prospective study
Sign Up to like & getrecommendations! Published in 2017 at "Catheterization and Cardiovascular Interventions"
DOI: 10.1002/ccd.27038
Abstract: We sought to investigate the diagnostic accuracy of instantaneous wave‐free ratio (iFR) and high‐dose intracoronary adenosine fractional flow reserve (IC‐FFR) compared with classical intravenous adenosine fractional flow reserve (IV‐FFR) to assess coronary stenosis severity. The… read more here.
Keywords: intermediate coronary; high dose; diagnostic accuracy; ffr ... See more keywords
Development, validation, and reproducibility of the pullback pressure gradient (PPG) derived from manual fractional flow reserve pullbacks
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DOI: 10.1002/ccd.30064
Abstract: Fractional flow reserve (FFR) pullbacks assess the location and magnitude of pressure drops along the coronary artery. The pullback pressure gradient (PPG) quantifies the FFR pullback curve and provides a numeric expression of focal versus… read more here.
Keywords: pullback; reproducibility; ppg; ppg derived ... See more keywords
Validating angiographically derived FFR in the NSTEMI patient: An important step forward
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DOI: 10.1002/ccd.30587
Abstract: Since the beginning of fractional flow reserve (FFR) there has been a concern for its accuracy in acute coronary syndromes (ACS). For the culprit artery in both ST‐elevation myocardial infarction (STEMI) and non‐ST‐elevation myocardioal infarction… read more here.
Keywords: angiographically derived; derived ffr; ffr nstemi; nstemi patient ... See more keywords
Pre‐stenting angiography‐FFR based physiological map provides virtual intervention and predicts physiological and clinical outcomes
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DOI: 10.1002/ccd.30635
Abstract: Angiography‐derived fractional flow reserve (FFR) (angio‐FFR) has been validated against FFR and could provide virtual pullback. However, whether a physiological map can be generated by angio‐FFR and its clinical value remains unclear. We aimed to… read more here.
Keywords: clinical outcomes; angiography; physiological clinical; physiological map ... See more keywords
Noninvasive computed tomography derived fractional flow reserve simulation based on microvascular tree model reconstruction.
Sign Up to like & getrecommendations! Published in 2022 at "International journal for numerical methods in biomedical engineering"
DOI: 10.1002/cnm.3643
Abstract: To establish a novel method for noninvasive computed tomography derived fractional flow reserve (CT-FFR) simulation based on microvascular tree model reconstruction and to evaluate the feasibility and diagnostic performance of the novel method in coronary… read more here.
Keywords: microvascular tree; computed tomography; model; simulation ... See more keywords
The influence of image quality on diagnostic performance of a machine learning–based fractional flow reserve derived from coronary CT angiography
Sign Up to like & getrecommendations! Published in 2020 at "European Radiology"
DOI: 10.1007/s00330-019-06571-4
Abstract: Objective To investigate the effect of image quality of coronary CT angiography (CCTA) on the diagnostic performance of a machine learning–based CT-derived fractional flow reserve (FFR CT ). Methods This nationwide retrospective study enrolled participants… read more here.
Keywords: quality; image quality; diagnostic performance; ffr ... See more keywords
Does fractional flow reserve overestimate severity of LAD lesions?
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DOI: 10.1007/s12350-019-01712-0
Abstract: Abstract:BackgroundFractional Flow Reserve (FFR) is increasingly used to estimate the severity of coronary stenoses, prior to coronary revascularization. However, it has been suggested that FFR overestimates the severity of Left Anterior Descending (LAD) lesions. Our… read more here.
Keywords: severity lad; flow reserve; lad measurements; ffr ... See more keywords
Caution is needed when evaluating coronary slit-like lesions with FFR-CT
Sign Up to like & getrecommendations! Published in 2022 at "Cardiovascular Intervention and Therapeutics"
DOI: 10.1007/s12928-022-00855-1
Abstract: Coronary computed tomography angiography-derived fractional flow reserve (FFR-CT) provides valuable information for decision-making regarding treatment strategies for coronary artery disease [1]. Although FFR-CT is a useful tool, we experienced a case demonstrating that caution should… read more here.
Keywords: rca; slit like; ffr; slit ... See more keywords
Uncertainty Quantification and Sensitivity Analysis for Computational FFR Estimation in Stable Coronary Artery Disease
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DOI: 10.1007/s13239-018-00388-w
Abstract: PurposeThe main objectives of this study are to validate a reduced-order model for the estimation of the fractional flow reserve (FFR) index based on blood flow simulations that incorporate clinical imaging and patient-specific characteristics, and… read more here.
Keywords: reduced order; uncertainty; model; sensitivity analysis ... See more keywords
Hyperemic versus non-hyperemic indexes for coronary physiology assessment in patients with severe aortic stenosis.
Sign Up to like & getrecommendations! Published in 2021 at "Advances in medical sciences"
DOI: 10.1016/j.advms.2021.07.008
Abstract: PURPOSE Recent data suggests that fractional flow reserve (FFR) may underestimate intermediate coronary stenosis in the presence of severe aortic stenosis (AS), whereas instantaneous wave-free ratio (iFR) values may remain similar after treatment of AS,… read more here.
Keywords: severe aortic; physiology; ifr ffr; stenosis ... See more keywords