Table 2.
Procedural Considerations
| Ellis I/II | Ellis III/IIIB | P value | |
|---|---|---|---|
| (n=104) | (n=57) | ||
| Indication, % | |||
| Stable | 51 (49.0) | 24 (42.1) | 0.61 |
| Acute coronary syndrome | 35 (33.7) | 20 (35.1) | |
| ST‐segment–elevation myocardial infarction | 18 (17.3) | 13 (22.8) | |
| Arterial access, % | |||
| Femoral | 20 (19.2) | 10 (17.5) | 0.002 |
| Radial | 82 (78.8) | 38 (66.7) | |
| Other | 1 (1.0) | 0 (0.0) | |
| Radial and femoral | 1 (1.0) | 9 (15.8) | |
| Extent coronary artery disease, % | |||
| Single VD | 22 (21.2) | 8 (14.0) | 0.24 |
| Two VD | 36 (34.6) | 16 (28.1) | |
| Three VD | 46 (44.2) | 33 (57.9) | |
| Intra‐aortic balloon pump, % | 3 (2.9) | 4 (7.0) | 0.22 |
| Temporary pacing line, % | 1 (1.0) | 2 (3.5) | 0.25 |
| Intravascular ultrasound, % | 11 (10.6) | 12 (21.1) | 0.069 |
| Rotablation, % | 6 (5.8) | 16 (28.1) | <0.001 |
| Perforated vessel, % | |||
| Left main stem | 1 (1.0) | 2 (3.5) | 0.15 |
| Left anterior descending | 40 (38.5) | 32 (56.1) | |
| Circumflex | 17 (16.3) | 6 (10.5) | |
| Right coronary artery | 35 (33.7) | 10 (17.5) | |
| Graft | 4 (3.8) | 3 (5.3) | |
| Diagonal | 1 (1.0) | 0 (0.0) | |
| Obtuse marginal | 2 (1.9) | 3 (5.3) | |
| Septal | 4 (3.8) | 1 (1.8) | |
| Etiology, % | |||
| Predilatation | 11 (10.6%) | 5 (8.8%) | <0.001 |
| Stent | 13 (12.5%) | 16 (28.1%) | |
| Post‐dilatation | 23 (22.1%) | 21 (36.8%) | |
| Rotablation | 1 (1.0%) | 7 (12.3%) | |
| Wire | 55 (52.9%) | 7 (12.3%) | |
| Other | 1 (1.0%) | 1 (1.8%) | |
| Chronic total occlusion, % | 20 (19.2) | 11 (19.3) | 0.99 |
| Significant calcification, % | 54 (51.9) | 38 (66.7) | 0.071 |
VD indicates vessel disease.