Table 2:
Intraoperative and postoperative outcomes
| Variables | Group P (n = 22) | Group M (n = 23) | Group R (n = 25) | P-value |
|---|---|---|---|---|
| Number of distal anastomoses | 2.86 ± 1.21 | 3.30 ± 1.02 | 3.08 ± 1.15 | 0.38 |
| Graft materials | ||||
| Left ITA | 22 (100) | 23 (100) | 25 (100) | NA |
| Right ITA | 2 (9.1) | 1 (4.3) | 1 (4.0) | 0.68 |
| Radial artery | 8 (36.4) | 16 (69.6) | 12 (48.0) | 0.079 |
| Gastroepiploic artery | 1 (4.5) | 0 (0.0) | 1 (4.0) | 0.76 |
| Saphenous vein | 16 (72.7) | 20 (87.0) | 21 (84.0) | 0.47 |
| MGF, (ml/min) | ||||
| LAD with left ITA | 50.4 ± 26.3 | 43.1 ± 24.1 | 32.6 ± 14.4 | 0.025 |
| LCX | 37.5 ± 14.6 | 43.7 ± 15.2 | 36.2 ± 13.5 | 0.25 |
| RCA | 44.9 ± 29.8 | 39.7 ± 26.7 | 35.8 ± 15.4 | 0.57 |
| PI | ||||
| LAD with left ITA | 1.69 ± 0.62 | 2.29 ± 1.01 | 2.54 ± 1.60 | 0.046 |
| LCX | 2.09 ± 1.12 | 1.94 ± 0.63 | 2.44 ± 1.12 | 0.29 |
| RCA | 2.04 ± 0.63 | 1.64 ± 0.88 | 2.07 ± 0.91 | 0.26 |
| Graft patency | ||||
| Left ITA to LAD | 19 (100) | 20 (100) | 21 (100) | NA |
| Graft to LCX | 13 (86.7) | 18 (94.7) | 16 (100) | 0.38 |
| Graft to RCA | 14 (93.3) | 16 (94.1) | 17 (100) | 0.75 |
| Postoperative ejection fraction | ||||
| 2 weeks | 0.48 ± 0.12 | 0.49 ± 0.12 | 0.47 ± 0.08 | 0.48 |
| 1 year | 0.50 ± 0.11 | 0.49 ± 0.11 | 0.48 ± 0.09 | 0.43 |
| 5 years | 0.47 ± 0.11 | 0.46 ± 0.08 | 0.51 ± 0.06 | 0.33 |
Categorical data are presented as number (%); continuous data are presented as mean ± SD. ITA: internal thoracic artery; LAD: left anterior descending artery; LCX: left circumflex artery; MGF: mean graft flow; NA: not applicable; PI: pulsatility index; RCA: right coronary artery.