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Evaluation of Accuracy of CFD-based RuiXin-FFR by Comparing With Pressure-wire-based FFR

Coronary Artery Disease Clinical Trial

Official title:
Accuracy of RuiXin-FFR by Comparing With Pressure-wire-based FFR in Detecting Hemodynamically Significant Stenosis: A Prospective Multicenter Study

Clinical Trial Summary

Coronary Artery Disease (CAD) is the top killer nowadays. Pressure-wire-based Fractional Flow Reserve (FFR) is the gold standard for measuring ischemia in coronary arteries. CFD-based RuiXin-FFR, which is noninvasive, is developed recently. But its accuracy is not verified. This is a multi-center and prospective study to evaluate the sensitivity, specificity, and accuracy of CFD-based RuiXin-FFR compared with wire-based FFR.

Clinical Trial Description

The participants are entered with suspended CAD and angiography ischemia between 30%-90% from 6 hospitals in China. Pressure-wire-based FFR is conducted in the standard protocol by each hospital. FFR>0.8 is chosen as the threshold to indicate non-ischemia. CFD-based RuiXin-FFR is performed by Raysight Medical (Shenzhen, China). CT images are acquired in a standard protocol by each hospital. Images with poor quality are excluded in this trial. Based on these images, RuiXin-FFR reconstructs the 3D model of coronary trees and obtains RuiXin-FFR values by conducting CFD simulations in a blinded fashion. RuiXin-FFR>0.8 is chosen as the threshold to indicate non-ischemia as well. By comparing the clinical diagnosis outcome of pressure-wire-based FFR and CFD-based RuiXin-FFR, the sensitivity and specificity of the RuiXin-FFR are obtained, which is the primary end point of this trial. The secondary end point includes the measurement of accuracy, NPV, PPV and ROC of the RuiXin-FFR. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04731285
Study type Observational
Source Beijing Anzhen Hospital
Contact
Status Completed
Phase
Start date March 13, 2019
Completion date August 31, 2020
View Details
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