No cardiopulmonary bypass (CPB) | CPB | |||
---|---|---|---|---|
One-vessel grafting (n = 10) | Two-vessel grafting (n = 8) | Two-vessel grafting (n = 8) | ||
Age (years) (median (range)) | 63 (52 to 74) | 58 (43 to 69) | 62 (56 to 70) | |
Sex (male/female) | 7/3 | 7/1 | 5/3 | |
Ischaemic time (min) (mean (SD)) | 17 (4) | 32 (8)† | 44 (7)1-150 | |
Vessels grafted (n) | ||||
LAD | 8 | 8 | 8 | |
RCA | 2 | 8 | 5 | |
Cx | 0 | 0 | 3 | |
LVEF (%) (mean (SD)) | 60 (7) | 62 (5) | 62 (8) | |
Previous MI (n) | ||||
Anterior | 1 | 1 | 1 | |
Inferior | 1 | 0 | 1 | |
Drug treatment (n) | ||||
β Blockers | 8 | 5 | 4 | |
Calcium antagonists | 7 | 4 | 7 | |
Nitrates | 4 | 5 | 4 |
↵1-150 p < 0.01 v non-CPB one- and two-vessel grafting; †p < 0.001 v non-CPB one-vessel grafting.
Cx, circumflex coronary artery; LAD, left anterior descending coronary artery; LVEF, left ventricular ejection fraction; MI, myocardial infarction; RCA, right coronary artery.