Usefulness of the Hybrid RFR-FFR Approach: Results of a Prospective and Multicenter Analysis of Diagnostic Agreement between RFR and FFR—The RECOPA (REsting Full-Cycle Ratio Comparation versus Fractional Flow Reserve (A Prospective Validation)) Study

Table 3

Physiological characteristics and final treatment.

	Lesions (n = 380)
Adenosine administration, n (%)
Adenosine i.c.	255 (67.1%)
Adenosine e.v.	125 (32.9%)
Guideline catheter size, n (%)
5 French	11 (2.9%)
6 French	368 (96.8%)
7 French	1 (0.3%)
RFR (n), median (IQR)	0.91 (0.86–0.95)
RFR results, n (%)
Positive RFR (≤0.89)	152 (40.0%)
Negative RFR (>0.89)	228 (60.0%)
Basal Pd/Pa (n), median (IQR)	0.93 (0.90–0.96)
FFR (n), median (IQR)	0.84 (0.77–0.89)
FFR results, n (%)
Positive FFR (≤0.80)	136 (35.8%)
Negative FFR (>0.80)	244 (64.2%)
Final treatment by lesions, n (%)
Medical management	256 (67.3%)
PCI-DES	95 (25.0%)
PCI-BMS	4 (1.1%)
PCI-DEB	3 (0.8%)
CABG	22 (5.8%)

RFR, resting full-cycle ratio; IQR, interquartile range; Pd, distal pressure; Pa, aortic pressure; FFR, fractional flow reserve; PCI, percutaneous coronary intervention; DES, drug-eluting stent; BMS, bare metal stent; DEB, drug-eluting balloon; CABG, coronary artery bypass grafting.