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目的研究利多卡因阴部神经阻滞在无创接生中的应用及对分娩质量的影响。方法选择阴道分娩初产妇300例,按照随机抽签的方式将其分为观察组和对照组,对照组进行无创接生,观察组则先使用利多卡因进行阴部神经阻滞麻醉后再进行无创接生。观察两组产妇的会阴裂伤程度以及发生率、第二产程时间、新生儿窒息率以及产后恢复的情况。结果观察组总裂伤发生率为10.00%,明显低于对照组的发生率(33.33%),两组比较差异具有统计学意义(P<0.05);观察组产妇第二产程时间(46.21±5.32)min、生产疼痛评分(45.43±5.31)分、下床活动时间(1.47±0.22)d、住院时间(3.02±0.32)d、产后并发症(33.3%),对照组产妇第二产程时间(53.41±6.23)min、生产疼痛评分(54.34±5.32)分、下床活动时间(2.49±0.21)d、住院时间(4.83±0.62)d,产后并发症(10.00%),两组以上各指标比较均具有统计学差异(P<0.05);两组新生儿窒息率比较无统计学意义(P>0.05)。结论利多卡因阴部神经阻滞结合无创接生能够有效地降低产妇会阴裂伤的发生率,缓解其疼痛,缩短产后恢复的时间,从而提高了分娩的质量。
Objective To study the application of lidocaine vaginal nerve block in noninvasive delivery and its impact on the quality of delivery. Methods 300 cases of primipara of vaginal delivery were randomly divided into observation group and control group. The control group received non-invasive delivery, and the observation group received lidocaine block for non-invasive delivery after using lidocaine anesthesia. The incidence of perineal laceration, the incidence of second episode of labor, neonatal asphyxia and postpartum recovery were observed in two groups. Results The incidence of total laceration in the observation group was 10.00%, which was significantly lower than that in the control group (33.33%), the difference between the two groups was statistically significant (P <0.05). The second part of labor time in the observation group was 46.21 ± 5.32 ), pain score (45.43 ± 5.31), ambulation time (1.47 ± 0.22) d, hospital stay (3.02 ± 0.32) d, postpartum complications (33.3% ± 6.23) min, pain score was 54.34 ± 5.32, ambulation time (2.49 ± 0.21) d, hospital stay (4.83 ± 0.62) d and postpartum complication (10.00%), respectively (P <0.05). There was no significant difference in neonatal asphyxia between the two groups (P> 0.05). Conclusion Lidocaine pudendal nerve block combined with noninvasive delivery can effectively reduce the incidence of perineal laceration, relieve pain and shorten the time of postpartum recovery, so as to improve the quality of childbirth.