Effect of ultrasound-guided bilateral pudendal nerve block combined with epidural block on perineal protection and pregnancy outcome of spontaneous delivery parturient
ZHOU Jialong LI Chabing WANG Yiqiao
Department of Anesthesiology, the Second People’s Hospital of Anhui Province, Anhui Province, Hefei 230000, China
Abstract：Objective To explore the effect of ultrasound-guided bilateral pudendal nerve block combined with epidural block on perineal protection and pregnancy outcome of spontaneous delivery parturient. Methods From January 2019 to June 2020, 80 cases spontaneous delivery parturient who were hospitalized in the Second People’s Hospital of Anhui Province for delivery were selected as study subjects. According to the random number table method, they were divided into control group and study group, with 40 cases in each group. The control group were received epidural block, and the study group were received ultrasound-guided bilateral pudendal nerve block combined with epidural block. The perineal conditions and visual analogue score (VAS) at different time points (full hysterectomy [T1], fetal head exposure [T2], perineal suture [T3]) of two groups were compared, and the pregnancy outcomes of two groups were observed. Results The perineal integrity rate of study group was higher than that of control group, and the perineal lateral resection rate was lower than that of the control group, and the differences were statistically significant (all P < 0.05). There was statistical significance in the degree of perineal laceration between two groups (P < 0.05). VAS at T2 and T3 in the two groups were lower than those at T1, and the differences were statistically significant (all P < 0.05). VAS at T2 and T3 in study group were lower than those in control group, and the differences were statistically significant (all P < 0.05). The time of the second stage of labor in study group was shorter than that in control group; Apgar score of neonates was higher than that of control group, and the differences were statistically significant (all P < 0.05). The neonatal asphyxia rate and postpartum hemorrhage rate in study group were lower than those in control group, and the differences were statistically significant (all P < 0.05). Conclusion Ultrasound-guided bilateral pudendal nerve block combined with epidural block has significant effect on perineal protection of parturient, significantly shorten the labor process time of parturient and effectively reduce adverse pregnancy outcomes.
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