表2.
两组患者围手术期情况比较
Perioperative conditions in MICS CABG group and OPCABG group
| Items | MICS CABG (n=85) | OPCABG (n=85) | t/χ2 value | P value |
| MICS CABG, minimally invasive cardiac surgery coronary artery bypass grafting; OPCABG, off-pump coronary aortic bypass grafting; MACCE, major adverse cardiacand cerebrovascular events; IABP, intra-aortic balloon pump; ICU, intensive care unit. | ||||
| Ventilator supporting time after operation/h, (x±s) | 16.9±7.8 | 29.6±15.9 | -6.611 | < 0.001 |
| Hospitalization in ICU/h, (x±s) | 29.3±20.8 | 51.5±48.3 | -3.892 | < 0.001 |
| Total hospitalization/d, (x±s) | 18.3±3.2 | 25.7±4.2 | -12.921 | < 0.001 |
| Blood transfusion during operation, n(%) | 26 (30.5) | 30 (35.2) | 0.426 | 0.514 |
| IABP during operation, n(%) | 1 (1.17) | 2 (2.35) | 0.330 | 1.000 |
| Impaired wound healing, n(%) | 0 (0) | 1 (1.17) | 1.006 | 1.000 |
| Re-exploration for hemorrhage, n(%) | 2 (2.34) | 3 (3.52) | 0.206 | 1.000 |
| New-onset atrial fibrillation after operation, n(%) | 4 (4.70) | 3 (3.52) | 0.149 | 1.000 |
| New-onset renal insufficiency after operation, n(%) | 1 (1.17) | 0 (0.00) | 1.006 | 1.000 |
| MACCE, n(%) | 1 (1.17) | 2 (2.35) | 0.330 | 1.000 |
| Death, n(%) | 0 (0) | 1 (1.17) | 1.006 | 1.000 |
| Perioperative myocardial infarction, n(%) | 1 (1.17) | 1 (1.17) | 0.000 | 1.000 |
| Cerebrovascular complications, n(%) | 0 (0) | 0 (0) | - | - |
| Revascularization, n(%) | 0 (0) | 0 (0) | - | - |