Status:
COMPLETED
Diagnostic Performance and Prognostic Ability of the QFR
Lead Sponsor:
Seoul St. Mary's Hospital
Collaborating Sponsors:
National Research Foundation of Korea
Seoul Saint Mary's Hospital
Conditions:
Ischemic Heart Disease
Eligibility:
All Genders
18+ years
Brief Summary
1. The primary technical endpoint was the diagnostic performance of the QFR against the FFR. 2. The primary clinical endpoint was target vessel failure (TVF) between two groups distributed by a QFR cu...
Detailed Description
The quantitative flow ratio (QFR) is a novel angiography-based tool used to assess functional ischemia caused by coronary stenosis. Computation of the fractional flow reserve (FFR) from coronary angio...
Eligibility Criteria
Inclusion
- subject ≥18 years
- Patients suspected with ischemic heart disease
- All-comer patients with SA, UA and AMI whose CAG results showed intermediate stenosis (50-70%) indicative of physiologic lesions
- Patients whose target vessels were able to analyze QFR
Exclusion
- Patients with insufficient CAG data due to reasons below
- CAG data uploading error
- 2 projection angles \<25 degrees apart
- only 1 projection angle image exists
- images with suboptimal contrast filling
- images with too much panning or too much magnification
- containing an ostial lesion of the left main coronary artery or right coronary artery
- anatomical vessel problems including severe overlap, severe tortuosity, foreshortening, diffuse lesions, additional far distal lesion
Key Trial Info
Start Date :
January 1 2012
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
June 14 2019
Estimated Enrollment :
915 Patients enrolled
Trial Details
Trial ID
NCT04102917
Start Date
January 1 2012
End Date
June 14 2019
Last Update
September 25 2019
Active Locations (1)
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1
Seoul Saint Mary's Hospital
Seoul, Seochogu, South Korea, 06591