Effects on newborns of applying bupivacaine combined with different doses of fentanyl for cesarean section

Table 2 Comparison of the results of related indices of anesthesia and surgery in the four groups of patients (n = 30, mean ± SD)

	B	BF10	BF30	BF50
3 min MAP decreased after anesthesia (as a percentage of the basal value) %	11.5	10.9	7.6	8.6
The time of sensory block reaching T6 (min)	4.13 ± 0.74	3.23 ± 0.48	3.24 ± 0.40	3.22 ± 0.56
The time when movement was completely blocked (min)	9.85 ± 1.34	8.10 ± 1.15	7.70 ± 0.92	7.80 ± 1.24
Time from completion of anesthesia to cesarean section (min)	13.75 ± 1.20	13.60 ± 1.44	13.96 ± 1.48	13.72 ± 1.31
Duration of operation (min)	59.40 ± 7.33	60.75 ± 4.56	59.28 ± 4.22	61.30 ± 6.36
Sensory block recovery time (min)	254.95 ± 23.32	301.10 ± 18.75	322.75 ± 22.21	373.15 ± 20.74

Group B (bupivacaine group), BF10 group (bupivacaine combined with 10 μg fentanyl), BF30 group (bupivacaine combined with 30 μg fentanyl), BF50 group (bupivacaine combined with 50 μg fentanyl). MAP: Mean arterial pressure.