https://www.selleckchem.com/pr....oducts/autophinib.ht
Quantitative flow ratio (QFR) is a novel noninvasive method for evaluating coronary physiology. However, data on the QFR in patients with aortic stenosis (AS) and coronary artery disease are scarce. Thus, we compared the diagnostic performance of the QFR with that of the resting distal to aortic coronary pressure (Pd/Pa) ratio, fractional flow reserve (FFR), and instantaneous wave-free ratio (iFR), as well as angiographic indices. A total of 221 AS patients with 416 vessels undergoing FFR/iFR measurements were enrolled in the study.
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