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目的 :观察腰背肌内注射利多卡因对分娩时缓解腰骶部疼痛和对产程及其它因素的影响。方法 :将 36 0例正常阴道分娩时明显腰痛的初产妇分为利多卡因组 (注射 1%利多卡因 )、笑气组 (笑气吸入 )及对照组 (不做处理 )。镇痛方法实施后 ,观察 3组视觉模拟评分 (VAS)及相关各项指标。结果 :镇痛后半小时、1小时及宫口开全时利多卡因组和笑气组VAS评分比镇痛前显著下降 (P <0 .0 5 )。利多卡因组和笑气组活跃期、总产程与对照组比较显著缩短(P <0 .0 5 ) ,自然分娩率与对照组比较显著提高 ,剖宫产和阴道助产人数显著下降 (P <0 .0 5 )。结论 :腰背部肌内注射 1%利多卡因分娩镇痛和缩短产程的效果较好 ,安全、简单 ,适于临床推广。
Objective: To observe the effects of intramuscular injection of lidocaine on lumbosacral pain and labor and other factors during labor. Methods: 36 cases of primiparous women with obvious low back pain during normal vaginal delivery were divided into lidocaine group (injection of 1% lidocaine), laughing gas group (inhalation of nitrous oxide) and control group (without treatment). After the implementation of the analgesic method, three groups of visual analogue scale (VAS) and related indicators were observed. Results: The VAS score of half an hour, one hour and full-mouth lidocaine group and nongkapine group after analgesia were significantly lower than those before analgesia (P <0.05). Lidocaine group and nitrous oxide group active phase, total labor and control group was significantly shorter (P <0.05), the natural delivery rate significantly increased compared with the control group, cesarean section and vaginal delivery decreased significantly (P <0 .0 5). CONCLUSION: Intra-abdominal injection of 1% lidocaine into the lumbar and back muscles has good analgesia and shortening labor process, which is safe, simple and suitable for clinical promotion.