Table 2.
Comparison of operative data between prolonged and standard recovery groups
| Prolonged recovery (N = 70) |
Standard recovery (N = 212) |
P value | |
|---|---|---|---|
| CBP time (min), median (IQR) | 101 (85 ~ 145) | 69 (62 ~ 77) | 0.004* |
| Need for aortic cross-clamp, n (%) | 66 (94.3%) | 196 (92.3%) | 0.790 |
| Aortic cross-clamp time (min), median (IQR) | 62 (52 ~ 79) | 54 (45 ~ 64) | < 0.001* |
| Extracorporeal circulation mode, n (%) | 0.645 | ||
| Low flow | 1 (1.4%) | 1 (0.5%) | |
| Parallel circulation | 3 (4.3%) | 12 (5.7%) | |
| Full flow | 66 (94.3%) | 199 (93.9%) | |
| Temperature, n (%) | 0.118 | ||
| Room temperature | 8 (11.4%) | 25 (11.8%) | |
| Mild hypothermia | 38 (54.3%) | 142 (67.0%) | |
| Moderate hypothermia | 23 (32.9%) | 44 (20.8%) | |
| Deep hypothermia | 1 (1.4%) | 1 (0.5%) | |
| Fenestration, n (%) | 65 (92.9%) | 197 (92.9%) | 1.000 |
| Size of fenestration, n (%) | 0.329 | ||
| < 4 cm | 3 (4.6%) | 8 (4.1%) | |
| 4 cm | 56 (86.2%) | 180 (91.4%) | |
| > 4 cm | 6 (9.2%) | 9 (4.6%) | |
| Conduit connection, n (%) | 0.146 | ||
| Intracardiac conduits | 15 (21.4%) | 54 (25.5%) | |
| Extracardiac conduits | 53 (75.7%) | 137 (64.7%) | |
| Intra-extracardiac conduits | 2 (2.9%) | 21 (9.9%) | |
| Operation stage (I/II/III), n (%) | 0.371 | ||
| Stage I | 7 (10.0%) | 12 (5.7%) | |
| Stage II | 48 (68.6%) | 159 (75.0%) | |
| Stage III | 15 (21.4%) | 41 (19.3%) | |
| Secondary surgical procedure | 44 (62.9%) | 136 (64.2%) | 0.845 |
| Hemodynamics immediately after surgery | |||
| mPAP (mmHg), median (IQR) | 19 (16 ~ 21) | 18 (16 ~ 20) | 0.267 |
| mABP (mmHg), mean ± SD | 56.91 ± 9.824 | 57.83 ± 7.702 | 0.428 |
| Pp/Ps, median (IQR) | 0.32 (0.27 ~ 0.36) | 0.34 (0.27 ~ 0.40) | 0.082 |
CBP Cardiopulmonary bypass time, mPAP mean pulmonary artery pressure, mABP mean aorta blood pressure, Pp/Ps mean pulmonary artery pressure/ mean aorta blood pressure
* P < 0.05