Table 6.
cSO2 Related Data During Neonatal Transition Period
| cSO2 Related Data | Final Enrolled (n=418) | NOIAWM (n=230) | NOIA (n=246) | OIA (n= 145) | GA (n= 27) |
|---|---|---|---|---|---|
| First cSO2 in OR (median, 10th-90th percentiles) | 50.0 (34.0–67.0) | 48.0 (32.0–67.0) | 49.0 (32.7–68.0) | 51.0 (35.6–65.0) | 51.0 (33.4–68.2) |
| Time to obtain first cSO2 (mean ± SD, min) | 1.91±0.84 | 1.86±0.72 | 1.90±0.77 | 1.88±0.87 | 2.26±1.20 |
| cSO2 relative stabilization time (mean ± SD, s) | 445.70±115.90 | 437.10±103.80 | 437.00±104.50 | 456.50±129.40 | 468.00±137.20 |
| The curve declines more than 5% for more than 20s (n, %) | 158 (37.80%) | 94 (40.86%) | 99 (40.24%) | 51 (35.17%) | 8 (29.63%) |
| Decline time point after birth | |||||
| Within 2min (n, %) | 14 (3.35%) | 4 (1.74%) | 4 (1.63%) | 6 (4.14%) | 0 (0%) |
| 3min (n, %) | 133 (31.82%) | 47 (20.43%) | 49 (19.92%) | 33 (22.76%) | 4 (50.00%) |
| 4min (n, %) | 84 (20.10%) | 35 (15.22%) | 37 (15.04%) | 10 (6.90%) | 2 (25.00%) |
| 5min (n, %) | 18 (4.31%) | 6 (2.61%) | 7 (2.85%) | 3 (2.07%) | 2 (25.00%) |
| 6min or more (n, %) | 5 (1.20%) | 2 (0.87%) | 2 (0.81%) | 1 (0.69%) | 0 (0%) |
| Duration of cerebral oxygen decline(mean ± SD, s) | 38.18±17.68 | 37.11±18.71 | 37.11±18.45 | 39.12±15.15 | 45.00±15.38 |
| cSO2 when neonates left OR (median, 10th-90th percentiles) | 79.0 (67.6–85.0) | 80.0 (67.0–86.0) | 80.0 (66.7–86.0) | 79.0 (68.8–84.0) | |
| ΔcSO2 after neonates arrived Nursing room (mean ± SD, %) | 0.10±2.32 | 0.11±1.83 | 0.26±2.08 | −0.19±2.66 | 0.21±2.34 |
| cSO2 when neonates left Nursing room (median, 10th-90th percentiles) | 82.0 (34.0–67.0) | 82.0 (75.0–87.0) | 82.0 (75.0–87.0) | 82.0 (76.0–86.6) | 79.5 (57.1–90.0) |
Abbreviations: NOIAWM, non-oxygen-inhaled intrathecal anesthesia neonates without medical support; NOIA, non-oxygen-inhaled intrathecal anesthesia; OIA, oxygen-inhaled intrathecal anesthesia; GA, general anesthesia.