Operative data
| Variable | Group; no.* | p value | |
|---|---|---|---|
| Group I† | Group II‡ | ||
| CPB time mean ± SD, s | 95 ± 20 | 84 ± 18 | 0.88 |
| Aortic cross-clamping time mean ± SD, s | 22 ± 14 | 0 | < 0.001 |
| No. distal anastomosis mean ± SD | 3.1 ± 0.7 | 3.0 ± 0.6 | 0.76 |
| LAD bypass | 71 | 69 | 0.91 |
| Diagonal branches | 38 | 35 | 0.98 |
| Cx bypass | 23 | 22 | 0.79 |
| RCA bypass | 14 | 16 | 0.62 |
| Coronary endarterectomy | 17 | 16 | 0.81 |
| ITA usage | 62 | 61 | 0.94 |
| Cumulative regional ischemic times mean ± SD, min. | 7.1 ± 4.2 | 8.2 ± 3.3 | 0.76 |
| Hemodynamic data | |||
| Arterial pressure mean ± SD, mm Hg | 38 ± 13 | 55 ± 12 | 0.71 |
| Heart rate mean ± SD, min | 0§ | 64 ± 11 | < 0.001 |
| Details of coronary artery disease | |||
| Left main disease | 26 | 22 | 0.61 |
| Three-vessel disease | 22 | 18 | 0.82 |
| Two-vessel disease | 18 | 25 | 0.96 |
| Complete revascularization | 57 | 55 | 0.65 |
CABG = coronary artery bypass graft; CPB = cardiopulmonary bypass; Cx = circumflex artery; ITA = internal thoracic artery; LAD = left anterior descending artery; RCA = right coronary artery; SD = standard deviation.
↵* Unless otherwise indicated.
↵† Conventional CABG.
↵‡ On-pump beating-heart CABG.
↵§ Cross-clamping.