Analysis of the effect of dural perforating epidural block combined with pulse infusion of low-concentration ropivacaine for labor analgesia
Objective To observe the clinical effect of dural puncture and epidural block combined with pulse infusion technique for labor analgesia.Methods 200 full-term singleton pregnant women requiring labor analgesia were randomly divided into DPE group and EP group,with 100 cases in each group.In the DPE group,the needle was used to puncture the dura mater after the epidural puncture.After the cerebrospinal fluid was removed,flew out the spinal needle,and the epidural catheter was inserted into the epidural catheter.In the EP-PIED group,an epidural catheter was inserted after epidural puncture.In both groups,0.1%ropivacaine+0.4μg/mL sufentanyl was used for analgesia.Record maternal height and weight age,and observe the time of NRS≤3 during the procedure,number of cases that did not reach the NRS 3 after 30min,the analgesic pump pressing times,lower limb motor function(modified Bromage score),and puerperal fever,itching,nausea and vomiting and other adverse reactions,and record newborn 5min Apgar score.Results There were statistically significant differences(P<0.05)between the two groups in terms of the time to reach NRS≤3(17.21±3.11 vs.19.87±2.95 minutes),the number of cases that did not reach NRS≤3 after 30 minutes,and the number of times the analgesia pump was pressed.However,there was no statistically significant difference(P>0.05)in the 5-minute Apgar score of the newborns(9.14±1.01 vs.9.00±0.25).Conclusion Dural puncture epidural block combined with pulsed infusion can be used safely and effectively for labor analgesia with faster onset time and better effect.
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