Table 2. Coronary grafting and operative profiles.
| Variable | CABG-only (n=594) | CABG + MVS (n=116) | P value |
|---|---|---|---|
| Coronary grafting profiles | |||
| Distal anastomosis | 3.2±1.1 | 3.4±1.2 | 0.090 |
| 1 | 28 (4.7) | 6 (5.2) | |
| 2 | 138 (23.2) | 23 (19.8) | |
| 3 | 225 (37.9) | 33 (28.4) | |
| ≥4 | 203 (34.2) | 54 (46.6) | |
| Use of bilateral ITA | 26 (4.4) | 7 (6.0) | 0.593 |
| No use of ITA | 25 (4.2) | 6 (5.2) | 0.829 |
| Total arterial grafting | 145 (24.4) | 28 (24.1) | 0.931 |
| Operative profiles | |||
| CPB use | 340 (57.2) | 116 (100.0) | |
| CPB time, minutes | 113 [76–166] | 176 [134–219] | <0.001 |
| ACC time, minutes | 68 [50–90] | 75 [54–112] | 0.004 |
| MV surgery | 116 (100.0) | ||
| MV replacement | 10 (8.6) | ||
| MV repair | 106 (91.4) | ||
| Partial flexible band | 32 (27.6) | ||
| Flexible ring | 19 (16.4) | ||
| Rigid ring | 24 (20.7) | ||
| Semi-rigid ring | 23 (19.8) | ||
| Suture technique | 8 (6.9) |
Values are n (%), or mean ± SD or median with range (quartile 1–3), unless otherwise indicated. ITA, internal thoracic artery; CPB, cardiopulmonary bypass; ACC, aorta cross-clamp; MV, mitral valve.