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- W2999849736 abstract "Quantitative flow reserve (QFR) is a computation of fractional flow reserve (FFR) based on angiography without use of a pressure wire. The ability to predict post-PCI FFR using pre-PCI QFR analysis with a virtual PCI and the correlation between post-PCI QFR compared to post-PCI FFR remains unknown. We sought to evaluate the correlations of pre-PCI QFR analysis with virtual PCI called residual QFR and post-PCI QFR compared to post-PCI FFR. From the DOCTORS (Does Optical Coherence Tomography Optimize Results of Stenting) study population; we blindly analyzed residual QFR and post-PCI QFR from angiographies and compared them to post-PCI FFR. Ninety-three post-PCI QFR measurements and 84 pre-PCI residual QFR measurements were compared to post-PCI FFR measurements. Mean post-PCI FFR value of 0.92 ± 0.05 compared to mean residual QFR and compared to mean post-PCI QFR values were 0.93 ± 0.05 for both ( P > 0.05). Correlation coefficients of residual QFR and post-PCI-QFR were respectively 0.68, (95% CI: 0.53–0.78) and 0.79, (95% CI: 0.70–0.86). Residual QFR corresponding to pre-PCI QFR analysis with virtual PCI, and post-PCI QFR analysis, correlated well with post-PCI FFR. Further studies are needed to prospectively validate a QFR-guided PCI strategy." @default.
- W2999849736 created "2020-01-23" @default.
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- W2999849736 date "2020-01-01" @default.
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- W2999849736 title "Quantitative flow reserve virtual stenting and post stenting measurements to predict fractional flow reserve post stenting from the DOCTORS study population" @default.
- W2999849736 doi "https://doi.org/10.1016/j.acvdsp.2019.09.006" @default.
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