Resting distal to aortic pressure ratio and fractional flow reserve discordance affects the diagnostic performance of quantitative flow ratio: Results from an individual patient data meta-analysis.
Jelmer WestraAshkan EftekhariShengxian TuGianluca Calogero CampoJavier EscanedSimon WintherHitoshi MatsuoXinkai QuLukasz KoltowskiYunxiao ChangTommy LiuJunqing YangBirgitte Krogsgaard AndersenWilliam WijnsMorten BöttcherEvald Høj ChristiansenBo XuNiels Ramsing HolmPublished in: Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions (2020)
Diagnostic performance of QFR with FFR as reference is reduced for lesions with discordant FFR (≤0.80) and resting Pd/Pa (≤0.92) measurements.