Postoperative angiographic data in 155 patients
| Variable | RIMA to circumflex (n = 155) | LIMA to LAD (n = 155) | p Value |
|---|---|---|---|
| CA, coronary artery; IMA, internal mammary artery; LAD, left anterior descending artery; NA, not applicable. | |||
| Length of IMA used (cm) | 19.2 (2.6) | 14.2 (3.5) | 0.001 |
| IMA calibre | |||
| Small (<1.5 cm) | 11 (7%) | 8 (5.2%) | 0.64 |
| Medium (1.5–2.0 cm) | 112 (72%) | 100 (64.5%) | 0.18 |
| Large (>2 cm) | 32 (21%) | 47 (30.3%) | 0.07 |
| Recipient CA >1.5 mm | 129 (83%) | 149 (96%) | 0.001 |
| Perfusion area | |||
| Small | 26 (16.8%) | 2 (1.3%) | 0.001 |
| Medium | 118 (76%) | 23 (14.8%) | 0.001 |
| Large | 11 (7%) | 130 (84%) | 0.001 |
| Postoperative angiographic data | |||
| Occlusion | 2 (1.3%) | 0 | 0.5 |
| Stenosis | 3 (2%) | 3 (2%) | 1.0 |
| String sign | 4 (2.5%) | 1 (0.6%) | 0.37 |
| Non-functioning RIMA anastomosed to PL | 5 (3.2%) | 0 | NA |
| Off-pump CABG | 54 | 54 | |
| Non-functioning IMA | 3 | – | |
| Patent IMA graft | 146 (94%) | 151 (97.4%) | 0.26 |