Ischemic Heart Disease Clinical Trial
Official title:
Functional ComprEhensive AssessmenT by Intravascular UltrasoUnd Reconstruction in Patients With Suspected IschEmic Coronary Artery Disease (FEATURE)
Investigating the diagnostic accuracy of online Ultrasonic Flow Ratio (UFR) assessment to identify hemodynamically significant coronary stenosis in patients with suspected ischemic heart disease using angiography-derived fractional flow reserve (FFR) as a reference standard.
This is a prospective, single-center, observational registry study of patients with suspected ischemic coronary artery disease. The purpose of this registry is to investigate the accuracy of online UFR assessment to identify hemodynamically significant coronary stenosis in patients with suspected ischemic heart disease using angiography-derived FFR as a reference standard. Study population and sample size calculation are based on the diagnostic performance of previous studies, where an accuracy of 92% was found for UFR. Investigators conservatively estimate the diagnostic accuracy of online UFR assessment as 90% for consecutively enrolled patient population, and with a test target value set as 78% at a two-side significance level of 0.05, statistical power as 90%. Considering incomplete FFR/UFR data of 10% at most, a total of 112 patients need to be enrolled. ;
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