2016
DOI: 10.1016/j.amjcard.2015.10.008
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Comparison of Fractional Flow Reserve Based on Computational Fluid Dynamics Modeling Using Coronary Angiographic Vessel Morphology Versus Invasively Measured Fractional Flow Reserve

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Cited by 81 publications
(49 citation statements)
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“…These include the work of Renker et al and others. [24][25][26][27][28][29][30][31] Unsurprisingly, a critical component of cFFR img is the physiological model that should be able to replicate the coronary flow and pressure during maximal hyperaemia. For both the 3D and reduced-order approaches to noninvasive FFR, adenosine administration is not required during imaging, which is generally performed under resting conditions.…”
Section: Noninvasive Ffrmentioning
confidence: 99%
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“…These include the work of Renker et al and others. [24][25][26][27][28][29][30][31] Unsurprisingly, a critical component of cFFR img is the physiological model that should be able to replicate the coronary flow and pressure during maximal hyperaemia. For both the 3D and reduced-order approaches to noninvasive FFR, adenosine administration is not required during imaging, which is generally performed under resting conditions.…”
Section: Noninvasive Ffrmentioning
confidence: 99%
“…In practice, several methods have been used to determine the flow distribution, depending on the number of branches included in the geometrical model. One can distribute flow based on the reference vessel or proximal segments, assuming that the feeding territory of a branch is related to its calibre before narrowing 20,30,34 or else based on the downstream vascular anatomy. 35,36 A majority of studies rely on the fact that microcirculatory resistance does not change with epicardial stenosis severity; however, this will only be true if collateral flow is properly taken into account, 37 which is generally not possible.…”
Section: Noninvasive Ffrmentioning
confidence: 99%
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“…They demonstrated that good results could be generated from thrombolysis in myocardial infarction (TIMI) frame counting during resting conditions, even when hyperaemia was not induced. In the same year Trobs et al published their model of computed FFR 13 . They tuned their simulations using 'published estimates of coronary microvascular resistance' and hyperemic flow was simulated based upon the assumption of a normal physiological response to adenosine.…”
Section: Why Is This?mentioning
confidence: 99%
“…auch Daten dazu liefern, ob und wann Messungen von pd/pa ohne Hyperämi-einduktion aussagekräftig sind.Gleichzeitig werden derzeit zahlreiche Verfahren zur nichtinvasiven und druckdrahtlosen FFR-Bestimmung mittels "computational fluid dynamics" (CFD), z. B. anhand von CT-Daten[73][74][75][76], 3-dimensional rekonstruierter Koronarangiogramme[77][78][79][80][81] und OCT (optische Kohärenztomographie)-Datensätzen [82, 83] evaluiert. Allerdings sind sie noch in der Phase der Entwicklung und Validierung und nicht zum klinischen Einsatz bereit.…”
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