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目的:探讨腰硬联合镇痛用药时机的选择对产程的影响。方法:采用腰硬联合镇痛,根据用药时机的不同将研究组分为A组56例,B组62例;与同期分娩未镇痛的初产妇88例为对照组,观察镇痛效果及用药时机的不同对产程的影响。结果:研究组活跃期时间、第一产程时间均少于对照组(P<0.05),活跃期宫口扩张速度均高于对照组(P<0.05),B组第二产程时间长于A组及对照组(P<0.05)。结论:无痛分娩可使活跃期时间缩短,活跃期宫口扩张速率加快,第一产程时间缩短,宫口开至8 cm后停止给药组第二产程时间缩短。
Objective: To investigate the effect of choice of timing of combined spinal and epidural analgesia on labor process. Methods: According to the different timing of medication, the study group was divided into group A (n = 56) and group B (n = 62). Compared with the group of 88 primiparous women who did not have analgesia during the same period, the study group was given analgesic effect and medication The impact of different timing on labor process. Results: The study group had less active stage and the first stage of labor than the control group (P <0.05), and the dilatation velocity of the cervix in the active stage was higher than that of the control group (P <0.05). The second stage of labor was longer in group B than in group A Control group (P <0.05). Conclusion: Painless childbirth can shorten the active period, speed up the expansion of the uterine cervix during the active stage, shorten the time of the first stage of labor and shorten the second stage of labor when the cervix is opened to 8 cm.