fractional flow reserve
Transient integral boundary layer method to calculate the translesional pressure drop and the fractional flow reserve in myocardial bridges
... myocardial fractional flow reserve was introduced and has proven to be a relia- ble method for determining the functional severity of cor- onary ...
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Coronary fractional flow reserve measurements of a stenosed side branch: a computational study investigating the influence of the bifurcation angle
... and/or flow [1]. Pressure and/or flow measurements in stenosed arteries have provided us a profound understanding of the coronary physiology ...[1]. Fractional flow reserve (FFR), ...
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Comparison of Fractional Flow Reserve Guided Revascularization Strategies in Isolated Proximal Left Anterior Descending Coronary Artery Disease
... of fractional flow reserve (FFR)-guided percutaneous coronary intervention (PCI) and FFR-guided coronary artery bypass graft surgery (CABG) for the treatment of proximal left anterior descending ...
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Fractional flow reserve derived from microcatheters versus standard pressure wires: a stenosis-level meta-analysis
... Figure 6 Scatter plot of microcatheter vs pressure wire FFR values for all lesions. The quadrants show regions of agreement and disagreement, according to the established clinical FFR cut-off of ≤0.80. The dashed black ...
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Diagnostic performance of non-invasive fractional flow reserve derived from coronary computed tomography angiography: current perspectives
... blood flow and pressure under various modeled physiologic conditions from coronary CTA without the need for hyperemiainducing medica tions, modification of acquisition protocol or further ...Coronary flow ...
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Assessment of Intermediate Coronary Artery Lesion with Fractional Flow Reserve (FFR) versus Intravascular Ultrasound (IVUS)
... The current study was one center prospective trial conducted in the cath lab of Wady El Nile Hospital from September 2012 to April 2015. 58 patients who underwent elective diagnostic coronary angiography and had ...
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Diabetes does not impact the diagnostic performance of contrast-based fractional flow reserve: insights from the CONTRAST study
... 8. Johnson NP, Jeremias A, Zimmermann FM, Adjedj J, Witt N, Hennigan B, Koo BK, Maehara A, Matsumura M, Barbato E, Esposito G, Trimarco B, Rioufol G, Park SJ, Yang HM, Baptista SB, Chrysant GS, Leone AM, Berry C, De ...
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Validation of pressure gradient and peripheral fractional flow reserve measured by a pressure wire for diagnosis of iliofemoral artery disease with intermediate stenosis
... blood flow through exercise or pharmacologic stimulation, and coronary pressure measurements are commonly used for assessment of the ischemic potential of a stenosis in our daily ...established fractional ...
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Fractional flow reserve in acute coronary syndrome: a meta-analysis and systematic review
... routine fractional flow reserve on management decision and 1-year clinical outcome of patients with acute coronary syndromes: PRIME-FFR (Insights From the POST-IT [Portuguese study on the evaluation ...
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Comparative cost effectiveness analyses of cardiovascular magnetic resonance and coronary angiography combined with fractional flow reserve for the diagnosis of coronary artery disease
... positive fractional flow reserve (FFR) and/or >10% of myocardium ischemic [9] or ≥2 ischemic segments in cardiovascular magnetic resonance (CMR) perfusion examinations ...
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A study of noninvasive fractional flow reserve derived from a simplified method based on coronary computed tomography angiography in suspected coronary artery disease
... the fractional flow reserve (FFR) has been regarded as the gold standard in the assessment of haemodynamic characteristics for coronary stenosis [5], and it is recommended for clinical treatment ...
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Messung der fraktionierten Flussreserve zur Indikationsstellung der perkutanen Koronarintervention Measurement of fractional flow reserve to guide decisions for percutaneous coronary intervention
... Die koronare Herzkrankheit (KHK) ist eine in allen Indus- triestaaten weltweit verbreitete Erkrankung und auch in Deutschland eine der häufigsten Todesursachen. Die KHK verursacht hohe volkswirtschaftliche Ausfälle v. a. ...
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Fractional flow reserve or optical coherence tomography guidance to revascularize intermediate coronary stenosis using angioplasty (FORZA) trial: study protocol for a randomized controlled trial
... The first of these strategies is represented by fractional flow reserve (FFR), defined as the ratio of pressure distal to the stenosis and aortic pressure after induced max- imal hyperemia. Its ...
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A vessel length-based method to compute coronary fractional flow reserve from optical coherence tomography images
... the fractional flow reserve (FFR) of the coronary arteries using CT images from patients ...blood flow in the three-dimensional (3D) geometry of the coronary ...blood flow in the artery ...
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Fractional flow reserve-guided percutaneous coronary intervention: where to after FAME 2?
... recent Fractional Flow Reserve Guided Percutaneous Coronary Intervention Plus Optimal Medical Therapy Versus Optimal Medical Therapy (FAME 2) trial documented that the majority of stenoses deemed ...
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Role of fractional flow reserve in guiding intervention for borderline coronary lesions
... blood flow of the myocardium in a stenotic coronary-dominated region and the theoretical maximum blood flow which the myocardium can achieve in the same coronary artery ...
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Clinical effect of selective interventional therapy on sub-acute ST-segment elevation myocardial infarction under the guidance of fractional flow reserve and coronary arteriography
... blood flow speed and heavy thrombus load of the infract-related artery in the acute phase of myocardial infarction may affect the accuracy of FFR measurement ...
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Clinical outcomes of deferred revascularisation using fractional flow reserve in patients with and without diabetes mellitus
... Recently, concerns regarding increased vascular resist- ance and reduced vasodilative capacity due to chronic hyperglycaemia in DM patients have been raised [16]. Data from prior non-invasive studies which have assessed ...
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Functional classification discordance in intermediate coronary stenoses between fractional flow reserve and angiography-based quantitative flow ratio
... uous variables are expressed as mean±SD for normally distributed variables and as median (25th–75th percen- tile) for non- normally distributed variables. Analysis was performed with the Mann–Whitney U test or Kruskal– ...
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Fractional Flow Reserve Is Not Associated with Inflammatory Markers in Patients with Stable Coronary Artery Disease
... Conclusion: The presence of local atherosclerotic lesions that result in inducible myocardial ischemia as measured by FFR in patients with stable coronary artery disease is not associate[r] ...
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