Table 2 Comparison of operative and postoperative data for enrolled patients grouped by comorbid OSA
Variable | Total (n = 83) | Obstructive sleep apnoea | p value | |
|---|---|---|---|---|
Yes (n = 41) | No (n = 42) | |||
Operative data | Â | Â | Â | Â |
Cardiopulmonary bypass time (min) | 194.2 ± 40.5 | 194.4 ± 33.0 | 193.9 ± 47.1 | 0.951 |
Cross-clamp time (min) | 107.3 ± 28.7 | 108.1 ± 26.1 | 106.5 ± 31.3 | 0.778 |
Antegrade cerebral perfusion time (min) | 25.5 ± 7.9 | 25.7 ± 8.8 | 25.4 ± 6.9 | 0.871 |
Operative time (h) | 7.0 (6.0, 8.0) | 7.0 (6.0, 8.0) | 7.3 (6.0, 8.0) | 0.384 |
Transfused packed red blood cells (unit) | 0.0 (0, 4.0) | 2.0 (0.0, 4.0) | 0.0 (0, 4.0) | 0.398 |
Early surgical Outcomes | Â | Â | Â | Â |
Postoperative hypoxaemia | 56 (67.5) | 34 (83.0) | 22 (52.4) | 0.003 |
Total intubation time (h) | 23.3 (20.0, 45.0) | 24.6 (21.5, 47.5) | 22.4 (19.1, 25.5) | 0.026 |
Length of intensive care unit stay (h) | 36.0 (26.0, 75.0) | 54.0 (30.0, 87.0) | 28.5 (25.0, 52.3) | 0.007 |
Prolonged intensive care unit stay (> 72 h) | 22 (26.5) | 16 (39.0) | 6 (14.3) | 0.011 |
Composite postoperative complications* | 53 (63.9) | 31 (75.6) | 22 (52.4) | 0.028 |