Visual estimation versus different quantitative coronary angiography methods to assess lesion severity in bifurcation lesions
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DOI: 10.1002/ccd.27243
Abstract: To compare visual estimation with different quantitative coronary angiography (QCA) methods (single‐vessel versus bifurcation software) to assess coronary bifurcation lesions. read more here.
Keywords: different quantitative; quantitative coronary; bifurcation lesions; coronary angiography ... See more keywords
Bifurcation lesion assessment with advanced quantitative coronary angiography: A method still wanting
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DOI: 10.1002/ccd.27654
Abstract: Bifurcations are particularly prone to errors in visual estimation of diameter stenosis. Dedicated bifurcation QCA software confirmed only 26–27% of side branch lesions visually estimated to have >50% DS. Validation against physiologic measures is necessary… read more here.
Keywords: lesion assessment; advanced quantitative; quantitative coronary; bifurcation lesion ... See more keywords
Viewpoint planning for quantitative coronary angiography
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DOI: 10.1007/s11548-018-1763-1
Abstract: PurposeIn coronary angiography, the condition of myocardial blood supply is assessed by analyzing 2-D X-ray projections of contrasted coronary arteries. This is done using a flexible C-arm system. Due to the X-ray immanent dimensionality reduction… read more here.
Keywords: viewpoint planning; quantitative coronary; ray; coronary angiography ... See more keywords
Clinical expert consensus document on quantitative coronary angiography from the Japanese Association of Cardiovascular Intervention and Therapeutics
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DOI: 10.1007/s12928-020-00653-7
Abstract: Quantitative coronary angiography (QCA) remains to play an important role in clinical trials and post-marketing surveillance related to the safety and efficacy of new PCI devices. In this document, the current standard methodology of QCA… read more here.
Keywords: quantitative coronary; coronary angiography; cardiovascular intervention; intervention therapeutics ... 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
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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
Quantitative coronary angiography versus intravascular ultrasound guidance for drug-eluting stent implantation (GUIDE-DES): study protocol for a randomised controlled non-inferiority trial
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DOI: 10.1136/bmjopen-2021-052215
Abstract: Introduction Angiography remains the gold standard for guiding percutaneous coronary intervention (PCI). However, it is prone to suboptimal stent results due to the visual estimation of coronary measurements. Although the benefit of intravascular ultrasound (IVUS)-guided… read more here.
Keywords: angiography; quantitative coronary; trial; stent implantation ... See more keywords