Table 2 Descriptive Data of Participants
Induction of spinal anesthesia to delivery (min) | N | % |
|---|---|---|
< 20 | 18 | 8.2 |
20–29 | 164 | 74.5 |
30–39 | 33 | 15.0 |
40 or more | 5 | 2.3 |
Umbilical PH | N | % |
< 7.0 | 4 | 1.8 |
7.01–7.10 | 6 | 2.7 |
7.11–7.2 | 30 | 13.6 |
7.21–7.3 | 57 | 25.9 |
> 7.3 | 123 | 55.9 |
Maternal blood pressure data: | Range | Mean ± SD |
Baseline SBP (mmHg) ( just before induction of spinal anesthesia) | 90–125 | 110.87 ± 8.02 |
Minimum SBP (mmHg) | 70–120 | 88.86 ± 7.33 |
Decrease in SBP (mmHg) | 0–55 | 22.01 ± 9.75 |
Decrease SBP > 20% | N-%: 101 (45.9%) | |
Decrease SBP > 40% | N-%: 6 (2.7%) | |
Baseline MAP (mmHg) ( just before induction of spinal anesthesia) | 70–93 | 82.16 ± 5.27 |
Minimum MAP (mmHg) | 44–75 | 60.35 ± 5.61 |
Decrease in MAP (mmHg) | 5–40 | 21.70 ± 7.08 |
MAP < 65 mmHg | N-%: 136 (61.8%) | |
Decrease MAP > 20% | N-%: 149 (67.7%) | |
Decrease MAP > 40% | N-%: 7 (3.2%) | |
Duration of the longest hypotension episode (min) | 0–9 | 3.35 ± 2.19 |