Table 2 Characteristics and events during the operation
mi-MAZE(n = 42) | os-MAZE(n = 65) | P value | |
|---|---|---|---|
extracorporeal circulation, mean ± SD | |||
cardiopulmonary bypass (CPB) time(min) | 114.5 ± 18.68 | 93.0 ± 21.18 | 0.000a |
aortic cross-clamping (ACC) time(min) | 77.0 ± 14.84 | 56.4 ± 16.63 | 0.000b |
operation time, mean ± SD,(min) | 211.1 ± 29.70 | 198.1 ± 31.74 | 0.104b |
Intraoperative adverse events, n (%) | |||
Low cardiac output | 0(0) | 0(0) | NA |
Myocardial infarction | 0(0) | 0(0) | NA |
Acute renal insufficiency | 0(0) | 0(0) | NA |
Death | 0(0) | 0(0) | NA |
Conversion to open surgery | 0(0) | 0(0) | NA |