All Resting Physiological Indices May Not Be Equivalent ― Comparison Between the Diastolic Pressure Ratio and Resting Full-Cycle Ratio ―
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چکیده
منابع مشابه
A Comparison between the Instantaneous Wave-free Ratio and Resting Distal Coronary Artery Pressure/Aortic Pressure and the Fractional Flow Reserve: The Diagnostic Accuracy Can Be Improved by the Use of both Indices
Objectives The fractional flow reserve (FFR) is an index of the severity of coronary stenosis that has been clinically validated in several studies. The instantaneous wave-free ratio (iFR) and the resting distal coronary artery pressure/aortic pressure (Pd/Pa) are nonhyperemic pressure-derived indices of the severity of stenosis. This study sought to examine the diagnostic accuracy of the iFR a...
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Fractional flow reserve (FFR) is the ratio of distal coronary pressure to aortic pressure (Pd/Pa) across a stenosis measured during maximal hyperemia, most commonly achieved by the intracoronary or intravenous administration of adenosine. Multiple studies have demonstrated that FFR-guided revascularization improves clinical outcomes compared with angiographic guidance alone. This has resulted i...
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متن کاملMean aortic pressure is the geometric mean of systolic and diastolic aortic pressure in resting humans.
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ژورنال
عنوان ژورنال: Circulation Journal
سال: 2020
ISSN: 1346-9843,1347-4820
DOI: 10.1253/circj.cj-19-1110