| | Variables | Group A | Group B | value | | (CR < 5 mg/dl) N = 338 | (CR ≥ 5 mg/dl through ESRD) N = 73 |
| | Access site | | Radial (N, %) | 120 (35.5%) | 3 (4.1%) | <0.001 | | Femoral (N, %) | 209 (61.8%) | 66 (90.4%) | | Brachial (N, %) | 9 (2.7%) | 4 (5.5%) | | Guide size | | 6F (N, %) | 114 (33.7%) | 15 (20.5%) | 0.026 | | 7F (N, %) | 220 (65.1%) | 55 (75.3%) | | 8F (N, %) | 4 (1.2%) | 3 (4.1%) | | Rotablation vessels | | LM (N, %) | 1 (0.3%) | 0 | 0.035 | | LAD (N, %) | 196 (58.0%) | 29 (39.7%) | | LCX (N, %) | 26 (7.7%) | 10 (13.7%) | | RCA (N, %) | 57 (16.9%) | 20 (27.4%) | | LM + LAD (N, %) | 16 (4.7%) | 2 (2.7%) | | LM + LCX (N, %) | 6 (1.8%) | 2 (2.7%) | | LM + RCA (N, %) | 1 (0.3%) | 0 | | LAD + LCX (N, %) | 20 (6.0%) | 3 (4.1%) | | LAD + RCA (N, %) | 10 (3.0%) | 3 (4.1%) | | LCX + RCA (N, %) | 1 (0.3%) | 0 | | LM + LAD + LCX (N, %) | 1 (0.3%) | 3 (4.1%) | | LM + LAD + RCA (N, %) | 3 (0.9%) | 1 (1.4%) | | Rotablation lesions | | Location | | Ostial (N, %) | 123 (36.4%) | 26 (35.6%) | 0.914 | | Proximal (N, %) | 251 (74.3%) | 55 (75.3%) | 0.762 | | Middle (N, %) | 309 (91.4%) | 65 (89.0%) | 0.812 | | Distal (N, %) | 238 (70.4%) | 50 (68.5%) | 0.519 | | Tortuosity (N, %) | 163 (48.2%) | 34 (46.6%) | 0.135 | | Bifurcation (N, %) | 114 (33.7%) | 20 (27.4%) | 0.405 | | Heavy calcification (N, %) | 337 (99.7%) | 72 (98.6%) | 0.854 | | Chronic total occlusion (N, %) | 46 (13.6%) | 9 (12.3%) | 0.771 | | Total lesion length (mm) | 44.6 ± 24.3 | 46.3 ± 25.8 | 0.584 | | Total lesion numbers (N) | 2.4 ± 1.1 | 2.5 ± 1.3 | 0.316 | | ACC/AHA lesion (N, %) | | | | | B2 | 29 (8.6%) | 9 (12.3%) | 0.482 | | C | 309 (91.4%) | 64 (87.7%) | | Main/side branch rotablation (N, %) | | Main vessel only | 291 (86.1%) | 66 (90.4%) | 0.565 | | Main + side branch | 31 (9.2%) | 4 (5.5%) | | Side branch only | 16 (4.7%) | 3 (4.1%) | | Maximum burr size | | 1.25 mm (N, %) | 57 (16.9%) | 14 (19.2%) | 0.217 | | 1.5 mm (N, %) | 201 (59.5%) | 38 (52.1%) | | 1.75 mm (N, %) | 75 (22.2%) | 19 (26.0%) | | 2.0 mm (N, %) | 5 (1.5%) | 1 (1.4%) | | 2.25 mm (N, %) | 0 | 1 (1.4%) | | Rotablation completed | 335 (99.1%) | 70 (95.9%) | 0.037 | | Stents (N, %) | 309 (91.4%) | 63 (86.3%) | 0.155 | | BMS (N, %) | 76 (24.6%) | 14 (22.2%) | | DES (N, %) | 232 (75.1%) | 48 (76.2%) | | DEB (N, %) | 1 (0.3%) | 0 | | BMS + DES (N, %) | 0 | 1 (1.4%) | | Mean stent numbers | 1.9 ± 0.9 | 2.0 ± 0.9 | 0.498 | | Mean stent size (mm) | 3.0 ± 2.2 | 2.9 ± 0.4 | 0.692 | | Total stent length (mm) | 52.1 ± 27.2 | 54.6 ± 28.0 | 0.568 | | SYNTAX score | | Baseline | 31.0 ± 14.3 | 30.5 ± 14.7 | 0.784 | | Post-PCI | 8.4 ± 10.6 | 9.1 ± 9.5 | 0.580 | | Gain | 22.6 ± 11.5 | 21.3 ± 11.2 | 0.397 | | Total procedure time (min) | 160 ± 57 | 163 ± 74 | 0.726 | | Total fluoroscopic time (min) | 46.6 ± 22.7 | 50.0 ± 29.7 | 0.277 | | Total contrast dose (ml) | 194.1 ± 73.4 | 198.1 ± 66.4 | 0.695 | | Hemodynamic support (N, %) | 55 (16.3%) | 8 (11.0%) | 0.253 |
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BMS, bare-metal stent; CR, creatinine; DEB, drug-eluting balloon; DES, drug-eluting stent; ESRD, end-stage renal disease; LAD, left anterior descending artery; LCX, left circumflex artery; LM, left main coronary artery; PCI, percutaneous coronary intervention; RCA, right coronary artery.
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