International Collaboration of Comprehensive Physiologic Assessment
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About
The current study evaluated prognostic implication of comprehensive physiologic assessment using fractional flow reserve, coronary flow reserve (CFR) and index of microcirculatory resistance (IMR).
Full description
The patient-level data was gathered from 3 nations (Korea, Japan, Spain). The total 1397 patients (1694 vessels) data was collected from 5 university hospitals in Korea (Seoul National University Hospital, Samsung Medical Centre, Inje University Ilsan Paik Hospital, Keimyung University Dongsan Medical Centre, and Ulsan University Hospital, Korea) and Tsuchiura Kyodo General Hospital, Ibaraki, Japan, and Hospital Clinico San Carlos, Madrid, Spain.
Standardized form of data collection sheet was used and all study adopted standardized definition of patient's baseline characteristics, clinical outcomes, and physiologic data. In case of acute coronary syndrome (unstable angina, non-ST-segment elevation myocardial infarction, and ST-segment elevation myocardial infarction), only non-culprit vessel was included in the data.
Primary outcome is patient- and vessel-oriented composite outcome at 5 years.
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Inclusion criteria
- patients who underwent clinically indicated invasive coronary angiography and measurements of FFR, CFR, and IMR for at least 1 coronary artery
Exclusion criteria
- Patients with hemodynamic instability
- left ventricular dysfunction
- culprit vessel of acute coronary syndrome
Trial design
1,397 participants in 1 patient group
Trial contacts and locations
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Data sourced from clinicaltrials.gov
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