Research Article

Utility of Saline-Induced Resting Full-Cycle Ratio Compared with Resting Full-Cycle Ratio and Fractional Flow Reserve

Table 1

Baseline characteristics and angiographic findings.

70 lesions

Patients (n)56
Age (years)72 ± 9
Male/female (n)40/16
BMI23.1 ± 3.4
Hypertension44 (78.5)
Smoking, ever36 (64.2)
Dyslipidemia39 (69.6)
Diabetes mellitus28 (50.0)
e-GFR (ml/min)60.7 ± 17.9
Post PCI22 (39.2)
Angiographical findings of culprit artery (n)
 LAD/CX/RCA37/15/18
Quantitative coronary angiography
 Minimum lumen diameter (mm)1.16 ± 0.53
 % diameter stenosis (%)55.0 ± 16.4
 Reference diameter (mm)3.1 ± 0.71
Lesion types of culprit artery
 Focal40 (57.1)
 Diffuse18 (25.7)
 Tandem12 (17.2)
Deferred lesion30 (42.8)
Side effect
 VF during FFR1 (1.4)
 VF during sRFR0 (0)

Data are presented as means ± SD or the number (percentage). BMI, body mass index; e-GFR, estimated-glomerular filtration rate; PCI, percutaneous coronary intervention; LAD, left anterior descending artery; CX, circumflex artery; RCA, right coronary artery; VF, ventricular fibrillation; FFR, fractional flow reserve; sRFR, saline-induced resting full-cycle ratio.