Preoperative and peroperative characteristics of the patients
| All patients (n=106) | Ostial stenosis (n=19) | Non-ostial stenosis (n=87) | p Value: ostial v non-ostial | |
|---|---|---|---|---|
| Values are n or mean (SD). | ||||
| ECC, extracorporeal circulation; LAD, left anterior descending coronary artery; LMCA, left main coronary artery; LV, left ventricular. | ||||
| Death | 14 | 0 | 14 | NS |
| Perioperative | 5 | 5 | ||
| Postoperative | 9 (3 cardiac) | |||
| Coronary events | 16 | 3 | 13 | NS |
| Female | 35 | 13 | 22 | 0.0007 |
| Age (years) | 61 (10) | 60.3 (10.7) | 61 (10.3) | NS |
| Hypertension | 43 | 8 | 35 | NS |
| Smoking | 39 | 4 | 35 | NS |
| Diabetes mellitus | 7 | 3 | 4 | NS |
| Hypercholesterolaemia | 54 | 12 | 42 | NS |
| Obesity | 20 | 2 | 18 | NS |
| Number of risk factors | 1.4 (0.8) | 1.5 (1.1) | NS | |
| LV ejection fraction (%) | 62 (13) | 63 (18) | 62 (12) | NS |
| Preoperative symptoms | NS | |||
| Angina pectoris (exercise induced) | 49 | 14 | 35 | |
| Mixed or unstable angina | 54 | 9 | 45 | |
| Myocardial infarction | 10 | 1 | 9 | |
| Dyspnoea | 3 | 0 | 3 | |
| LMCA stenosis percentage | NS | |||
| 100% | 3 | 0 | 3 | |
| >70% | 85 | 18 | 67 | |
| 50–70% | 18 | 1 | 17 | |
| Emergency | 46 | 6 | 40 | NS |
| LAD venous grafts | 17 | 1 | 16 | NS |
| ECC time (min) | 70 (29) | 70 (24) | 70 (30) | NS |
| Aortic clamping time (min) | 46 (14) | 46 (16) | 43 (14) | NS |