Table 2.
Baseline angiographic and procedural characteristics
| Characteristic | Entire patients |
Matched patients |
||||
|---|---|---|---|---|---|---|
| Radial (n = 220) | Femoral (n = 469) | p value | Radial (n = 171) | Femoral (n = 171) | p value | |
| Multi-vessel disease | 31 (14.0) | 130 (27.7) | < 0.001 | 28 (16.3) | 31 (18.1) | 0.668 |
| No. of treat vessels | 1.3 ± 0.6 | 1.4 ± 0.6 | 0.054 | 1.3 ± 0.6 | 1.2 ± 0.4 | 0.816 |
| Target lesion | ||||||
| LAD | 134 (60.9) | 290 (61.8) | 0.816 | 106 (61.9) | 113 (66) | 0.430 |
| LCX | 22 (10.0) | 82 (17.4) | 0.011 | 21 (12.2) | 11 (6.4) | 0.063 |
| RCA | 94 (42.7) | 222 (47.3) | 0.258 | 71 (41.5) | 73 (42.6) | 0.827 |
| Left main | 2 (0.9) | 12 (2.5) | 0.245 | 2 (1.1) | 3 (1.7) | NS |
| Ramus | 2 (0.9) | 1 (0.2) | 0.240 | 1 (0.5) | 1 (0.5) | NS |
| Location | 0.841 | 0.144 | ||||
| Ostium | 125 (56.8) | 273 (58.2) | 96 (56.1) | 107 (62.5) | ||
| Proximal | 61 (27.7) | 130 (27.7) | 47 (27.4) | 49 (28.6) | ||
| Mid | 28 (12.7) | 58 (12.3) | 23 (13.4) | 14 (8.1) | ||
| Distal | 6 (2.7) | 8 (1.7) | 5 (2.9) | 1 (0.5) | ||
| Lesion characteristics | ||||||
| Type (B2/C) | 165 (75.0) | 435 (92.7) | < 0.001 | 142 (83.0) | 144 (84.2) | 0.770 |
| Bifurcation | 44 (20.0) | 118 (25.1) | 0.136 | 35 (20.4) | 37 (21.6) | 0.791 |
| Diffuse (> 20 mm) | 77 (35.0) | 184 (39.2) | 0.286 | 61 (35.6) | 64 (37.4) | 0.736 |
| Calcification | 25 (11.3) | 32 (6.8) | 0.044 | 21 (12.2) | 21 (12.2) | NS |
| Chronic total occlusion | 30 (13.6) | 37 (7.8) | 0.018 | 23 (13.4) | 25 (14.6) | 0.756 |
| Stent type | ||||||
| Sirolimus-eluting | 10 (4.5) | 58 (12.3) | 0.001 | 9 (5.2) | 14 (8.1) | 0.280 |
| Paclitaxel-eluting | 85 (38.6) | 188 (40.0) | 0.717 | 66 (38.5) | 68 (39.7) | 0.825 |
| Zotarolimus-eluting | 93 (42.2) | 167 (35.6) | 0.092 | 77 (45.0) | 69 (40.3) | 0.382 |
| Everolimus-eluting | 82 (37.2) | 177 (37.7) | 0.906 | 61 (35.6) | 61 (35.6) | NS |
| Procedural characteristics | ||||||
| Sheath size, Fr | 5.9 ± 0.3 | 6.8 ± 0.3 | < 0.001 | 5.9 ± 0.3 | 6.8 ± 0.3 | < 0.001 |
| Use of closing devices | 0 | 223 (47.5) | < 0.001 | 0 | 57 (33.3) | < 0.001 |
| Image and FFR guided | 110 (50.0) | 54 (11.5) | < 0.001 | 83 (48.5) | 25 (14.6) | < 0.001 |
| IVUS | 91 (41.3) | 45 (9.5) | < 0.001 | 67 (39.1) | 23 (13.4) | < 0.001 |
| FFR | 20 (9.0) | 9 (1.9) | < 0.001 | 17 (9.9) | 2 (1.1) | < 0.001 |
| Adjuvant balloon inflation | 163 (74.0) | 213 (45.4) | < 0.001 | 131 (76.6) | 70 (40.9) | < 0.001 |
| Pre-loading of clopidogrel | 206 (93.6) | 455 (97.0) | 0.036 | 159 (92.9) | 166 (97.0) | 0.082 |
| Loading dose, mg | 600 (300–600) | 600 (450–600) | 0.002 | 600 (300–600) | 600 (600–600) | 0.003 |
| High-loading (> 300 mg) | 136 (61.8) | 279 (59.4) | 0.560 | 103 (60.2) | 123 (71.9) | 0.022 |
| Pre-loading of cilostazol | 13 (5.9) | 40 (8.5) | 0.229 | 10 (5.8) | 14 (8.1) | 0.397 |
| Low molecular weight heparin | 37 (16.8) | 60 (12.7) | 0.157 | 29 (16.9) | 25 (14.6) | 0.553 |
| Glycoprotein IIb/IIIa inhibitors | 44 (20.0) | 100 (21.3) | 0.691 | 34 (19.8) | 43 (25.1) | 0.244 |
| Contrast volume, cc | 225.6 ± 82.8 | 220.8 ± 84.3 | 0.782 | 237.9 ± 87.9 | 216.1 ± 95.0 | 0.048 |
| Procedure time, min | 41 (31–55) | 35 (25–50) | < 0.001 | 43 (31–55) | 40 (25–50) | 0.003 |
| Fluoroscopic time, min | 12 (9–19) | 10 (6–15) | 0.003 | 13 (9–20) | 10 (7–16) | 0.019 |
Values are presented as number (%), mean ± SD, or median (interquartile range).
LAD, left anterior descending; LCX, left circumflex; RCA, right coronary artery; NS, not significant (> 0.999); FFR, fractional flow reserve; IVUS, intravascular ultrasound.