Table 1.
Patients' demographic and operative data.
| Criteria | ICC-group | IWC-group | P value |
|---|---|---|---|
| Number (n) | 32 | 36 | |
| Age (years) | 65.9 ± 11.3 | 63.9 ± 7.7 | 0.392 |
| Male gender (%) | 75 | 81 | 0.486 |
| Preoperative EF (%) | 62 ± 19 | 56 ± 23 | 0.249 |
| NYHA-class | 2.1 ± 0.6 | 2.2 ± 0.6 | 0.495 |
| EuroSCORE | 3.7 ± 2.3 | 4.2 ± 2.4 | 0.385 |
|
| |||
| CPB time (min) | 76.2 ± 16.4 | 68.7 ± 12.5 | 0.037 |
| Cross clamp time (min) | 39.7 ± 11.7 | 42.6 ± 14.6 | 0.373 |
| Procedure time (min) | 187.7 ± 39.2 | 197.5 ± 42.7 | 0.330 |
| Number of grafts | 3.1 ± 0.6 | 3.3 ± 0.6 | 0.175 |
|
| |||
| Ventilation time (hours) | 17.4 ± 6.2 | 14.7 ± 8.5 | 0.144 |
| ICU stay (hours) | 39.1 ± 17.6 | 52.3 ± 23.2 | 0.011 |
| Atrial fibrillation (%) | 23.1 | 28.6 | 0.772 |
| PMI | 0 | 0 | — |
| MACE | 0 | 0 | — |
| Mortality | 0 | 0 | — |
CPB: cardiopulmonary bypass; EF: ejection fraction; ICC: intermittent cold blood cardioplegia; ICU: intensive care unit; IWC: intermittent warm blood cardioplegia; MACE: major adverse cardiac event; NYHA: New York Heart Association; PMI: perioperative myocardial injury.