Quantitative flow ratio for immediate assessment of nonculprit lesions in patients with ST‐segment elevation myocardial infarction—An iSTEMI substudy
Sign Up to like & getrecommendations! Published in 2019 at "Catheterization and Cardiovascular Interventions"
DOI: 10.1002/ccd.28208
Abstract: We evaluated the diagnostic performance of quantitative flow ratio (QFR) assessment of nonculprit lesions (NCLs) based on acute setting angiograms obtained in patients with ST‐segment elevation myocardial infarction (STEMI) with QFR, fractional flow reserve (FFR),… read more here.
Keywords: flow ratio; ratio; quantitative flow; assessment nonculprit ... See more keywords
Novel application of quantitative flow ratio for predicting microvascular dysfunction after ST‐segment‐elevation myocardial infarction
Sign Up to like & getrecommendations! Published in 2020 at "Catheterization and Cardiovascular Interventions"
DOI: 10.1002/ccd.28718
Abstract: This study evaluated quantitative flow ratio (QFR) to predict microvascular dysfunction (MVD) in patients with ST‐segment elevation myocardial infarction (STEMI). read more here.
Keywords: segment elevation; microvascular dysfunction; flow ratio; myocardial infarction ... See more keywords
Head to head comparison of quantitative flow ratio using 4‐French and 6‐French catheters versus fractional flow reserve
Sign Up to like & getrecommendations! Published in 2021 at "Catheterization and Cardiovascular Interventions"
DOI: 10.1002/ccd.29933
Abstract: To validate QFR using 4‐F diagnostic catheters compared to using 6‐F guiding catheters, with conventional guidewire‐based FFR as the reference standard, using independent core laboratory analysis. read more here.
Keywords: flow ratio; flow; quantitative flow; head head ... See more keywords
Diagnostic performance of intravascular ultrasound‐based fractional flow reserve versus angiography‐based quantitative flow ratio measurements for evaluating left main coronary artery stenosis
Sign Up to like & getrecommendations! Published in 2022 at "Catheterization and Cardiovascular Interventions"
DOI: 10.1002/ccd.30078
Abstract: We compared the diagnostic performance of the ultrasonic flow ratio (UFR) and quantitative flow ratio (QFR) for left main coronary artery (LMCA) stenosis. read more here.
Keywords: flow ratio; flow; left main; diagnostic performance ... See more keywords
Coronary Angiography‐Derived Murray Law‐Based Quantitative Flow Ratio (μQFR) After De Novo Drug‐Coated Balloon Angioplasty
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DOI: 10.1002/ccd.70150
Abstract: Drug‐coated balloon (DCB) angioplasty has emerged as a stentless alternative for de novo coronary artery disease. However, the prognostic value of post‐procedural angiography‐derived physiology, particularly three‐dimensional (3D) Murray‐law quantitative flow ratio (μQFR), after DCB in… read more here.
Keywords: coated balloon; flow ratio; angiography derived; murray law ... See more keywords
Computational quantitative flow ratio to assess functional severity of coronary artery stenosis.
Sign Up to like & getrecommendations! Published in 2018 at "International journal of cardiology"
DOI: 10.1016/j.ijcard.2018.05.002
Abstract: Background Computational quantitative flow ratio (QFR) based on 3-dimensional quantitative coronary angiography (3D QCA) analysis offers the opportunity to assess the significance of coronary artery disease (CAD) without using an invasive pressure wire or inducing… read more here.
Keywords: qfr; flow; flow ratio; cad ... See more keywords
Study on limit flow ratio method for a lateral exhaust hood above high-temperature buoyant jets
Sign Up to like & getrecommendations! Published in 2020 at "Sustainable Cities and Society"
DOI: 10.1016/j.scs.2019.101969
Abstract: Abstract A local lateral exhaust hood can be used to capture the contaminated airflow in the industrial production process. For the design of the lateral exhaust hood, the flow ratio method is commonly adopted. However,… read more here.
Keywords: flow ratio; limit flow; lateral exhaust; hood ... See more keywords
QUANTITATIVE FLOW RATIO ACCORDING TO THREE-DIMENSIONAL QUANTITATIVE CORONARY ANGIOGRAPHY DEFINED SEVERITY OF STENOSIS IN A COHORT OF WOMEN WITH STABLE CORONARY ARTERY DISEASE
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the American College of Cardiology"
DOI: 10.1016/s0735-1097(20)30804-4
Abstract: Quantitative flow ratio (QFR) is a recently developed technique to calculate fractional flow reserve (FFR) based on three-dimensional (3D) quantitative coronary angiography (QCA), obviating the need for induction of hyperemia and pressure-wire measurement. FFR values… read more here.
Keywords: three dimensional; quantitative coronary; flow ratio; quantitative flow ... See more keywords
Prognostic implications of quantitative flow ratio and optical coherence tomography-guided neointimal characteristics in drug-coated balloon treatment for in-stent restenosis
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-024-83748-y
Abstract: The aim of this study was to investigate the relationship between quantitative flow ratio (QFR) after drug-coated balloon (DCB) treatment for in-stent restenosis (ISR) and between neointimal characteristics assessed by optical coherence tomography (OCT) and… read more here.
Keywords: flow ratio; coated balloon; tvf; drug coated ... See more keywords
Lab-on-chip microfluidic impedance measurement for laminar flow ratio sensing and differential conductivity difference detection
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DOI: 10.1063/1.4984897
Abstract: We present a microfluidic impedance device for achieving both the flow ratio sensing and the conductivity difference detection between sample stream and reference buffer. By using a flow focusing configuration, with the core flow having… read more here.
Keywords: difference; detection; flow ratio; conductivity ... See more keywords
Hydrodynamics of meandering river confluence under different junction angles and flow ratio: A numerical investigation
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Fluids"
DOI: 10.1063/5.0304533
Abstract: As an important node of the river network, the confluence plays a crucial role in river morphology, transporting sediment and the ecological processes. In the present work, the numerical simulation is conducted to explore the… read more here.
Keywords: hydrodynamics; flow ratio; secondary flow; junction ... See more keywords