- •Post-procedural QFR after POBA or DCB was a predictor of subsequent TLR.
- •Per-lesion QFR analysis was a stronger predictor, compared with per-vessel analysis.
- •The best cut-off value of post QFR-gradient for predicting TLR was 0.08.
- •QFR analysis may help identify the optimal endpoint of balloon angioplasty.
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