Noninvasive FFR Derived From Coronary CT Angiography
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چکیده
منابع مشابه
Noninvasive FFR Derived From Coronary CT Angiography
Fro Un an Ca pa R0 Fe su an Ca Sa He oth OBJECTIVES The purpose of this study was to determine whether noninvasive fractional flow reserve derived from computed tomography (FFRCT) predicts coronary revascularization and outcomes and whether its addition improves efficiency of referral to invasive coronary angiography (ICA) after coronary computed tomography
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After a decade of clinical use of coronary computed tomographic angiography (CCTA) to evaluate the anatomic severity of coronary artery disease, new methods of deriving functional information from CCTA have been developed. These methods utilize the anatomic information provided by CCTA in conjunction with computational fluid dynamics to calculate fractional flow reserve (FFR) values from CCTA i...
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Fractional flow reserve derived from coronary computed tomography angiography enables noninvasive assessment of the hemodynamic significance of coronary artery lesions and coupling of the anatomic severity of a coronary stenosis with its physiological effects. Since its initial demonstration of feasibility of use in humans in 2011, a significant body of clinical evidence has developed to evalua...
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Recent advances in image-based modeling and computational fluid dynamics permit the calculation of coronary artery pressure and flow from typically acquired coronary computed tomography (CT) scans. Computed fractional flow reserve is the ratio of mean coronary artery pressure divided by mean aortic pressure under conditions of simulated maximal coronary hyperemia, thus providing a noninvasive e...
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Correspondence: Dr. J. Estornell Erill. Unidad de TC y RM. Hospital General Universitario de Valencia. Avda. Tres Cruces, s/n. 46014 Valencia. España. E-mail: [email protected] acquisitions with better spatial resolution, a better signal/noise (S/N) ratio, and cardiac synchronism, all achieved during tolerable conditions of apnea. In MR, apnea can be avoided using diaphragmatic navigators. S...
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ژورنال
عنوان ژورنال: JACC: Cardiovascular Imaging
سال: 2017
ISSN: 1936-878X
DOI: 10.1016/j.jcmg.2016.11.024