变频体表穴位电刺激超前镇痛对无痛人流术患者麻醉效果观察

Anesthetic effect of preemptive analgesia of frequency acupoint electrical stimulation on painlessinduced abortion

目的：探讨变频体表穴位电刺激超前镇痛对无痛人流术麻醉效果及麻醉剂用量的影响。方法：选择拟行无痛人工流产的早孕者90例,随机分为两组,每组45例。Ⅰ组予变频体表穴位电刺激10min后再行丙泊酚静脉麻醉,穴取次髎、肾俞,疏密波,频率2Hz/100Hz,刺激时间15～20min;Ⅱ组采用丙泊酚静脉麻醉。观察两组患者术前、术中及术后血压（BP）、心率（HR）、血氧饱和度（SpO2）变化及麻醉效果、麻醉剂用量、麻醉后苏醒时间、不良反应等情况。结果：Ⅰ组患者术中及术后BP、HR与术前比较差异均无统计学意义（均P〉0.05）,Ⅱ组患者术中BP下降、HR减慢,与术前及Ⅰ组比较差异有统计学意义（均P〈0.05）;丙泊酚用量Ⅰ组明显少于Ⅱ组[（114.3±6.1）mg vs（193.2±8.9）mg,P〈0.05];术后苏醒时间Ⅰ组明显早于Ⅱ组[（5.6±1.2）min vs（10.1±3.9）min,P〈0.05];Ⅰ组麻醉效果Ⅰ级率高于Ⅱ组（P〈0.05）;Ⅰ组术后恶心、呕吐、术后宫缩痛发生率明显低于Ⅱ组（均P〈0.05）。结论：变频体表穴位电刺激超前镇痛能显著提高无痛人流术的麻醉效果,减少麻醉剂用量,缩短麻醉后苏醒时间,提高了无痛人流术的安全性。

Objective To explore the anesthetic effect of preemptive analgesia of frequency acupoint electrical stimulation on painless-induced abortion as well as its effect on anesthetics dosage.Methods Ninety cases of early pregnancy who selected painless-induced abortion were randomly divided into two groups,45cases in each group.Frequency acupoint electrical stimulation at Ciliao（BL 32）and Shenshu（BL 23）,disperse-densewave,2Hz/100Hz in frequency for 15to 20min,was applied in the group A,which was followed by intravenous anesthesia of propofol.The intravenous anesthesia of propofol was applied in the group B.The blood pressure（BP）,heart rate（HR）and SpO2before,during and after surgery,anesthetic effect and dosage,waking time and adverse events were observed in the two groups.Results The BP and HR during and after the surgery in the group A were not statistically different from those before the surgery（all P〈0.05）.The BP was reduced and HR was slowed down during the surgery in the group B,which was significantly different from those before the surgery as well as those in the group A（all P〈0.05）.The dosage of propofol was（114.3±6.1）mg in the group A,obviously less than（193.2±8.9）mg in the group B（P〈0.05）.The waking time was（5.6±1.2）min in the group A,obviously less than（10.1±3.9）min in the group B（P〈0.05）.As for anesthetic effect,the incidence of GradeⅠin the group A was more than the group B（P〈0.05）.The adverse events,including nausea,vomiting and contractions pain in the group A were evidently less than those in the group B（all P〈0.05）.Conclusion The preemptive analgesia of frequency acupoint electrical stimulation could significantly improve anesthetic effect of painless-induced abortion,reduce dosage of anesthetics,shorten waking time of surgery and guarantee the safety of surgery.