Non-invasive Fractional Flow Reserve Derived from CT Angiography (FFRCT) for Coronary Lesions of Intermediate Stenosis Severity: Results from the DeFACTO Study Nakazato et al: FFRCT for Intermediate Stenosis
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Noninvasive fractional flow reserve derived from computed tomography angiography for coronary lesions of intermediate stenosis severity: results from the DeFACTO study.
BACKGROUND Fractional flow reserve derived from computed tomography angiography (FFRCT) is a noninvasive method for diagnosis of ischemic coronary lesions. To date, the diagnostic performance of FFRCT for lesions of intermediate stenosis severity remains unexamined. METHODS AND RESULTS Among 407 vessels from 252 patients at 17 centers who underwent CT, FFRCT, invasive coronary angiography, an...
متن کاملtled, “Non-Invasive Fractional Flow Reserve Derived From CT Angiography (FFRCT) for Coronary Lesions of Intermediate Stenosis Severity: Results From the DeFACTO
To the Editor: We commend Nakazato et al for their excellent article entitled, “Non-Invasive Fractional Flow Reserve Derived From CT Angiography (FFRCT) for Coronary Lesions of Intermediate Stenosis Severity: Results From the DeFACTO Study.” The wellperformed multicenter study concluded that FFR CT possessed higher diagnostic performance for ischemic for coronary lesions of intermediate stenosi...
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This review discusses visual and functional evaluation of the hemodynamic significance of the degree of stenosis in coronary angiography, with respect to the indications for revascularization. The concept of the coronary flow reserve is defined, and the theoretical assumptions of the invasive measurement of the fractional flow reserve (FFR) are presented. In the following part, the publication ...
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Invasive fractional flow reserve (FFR) is the gold standard for the determination of physiologic stenosis severity and the need for revascularization. FFR computed from standard acquired coronary computed tomographic angiography datasets (FFRCT) is an emerging technology which allows calculation of FFR using resting image data from coronary computed tomographic angiography (CCTA). However, the ...
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BACKGROUND Data on the clinical utility of coronary computed tomography angiography-derived fractional flow reserve (FFRCT) are sparse. In patients with intermediate (40-70%) coronary stenosis determined by coronary computed tomography angiography, we investigated the association of replacing standard myocardial perfusion imaging with FFRCT testing with downstream utilization of invasive corona...
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