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  • Title: Dural Puncture Epidural with 25-G Spinal Needles versus Conventional Epidural Technique in Conjunction with PIEB for Labor Analgesia: A Randomized Trial.
    Author: Lin W, Yang Y, Lin J, Chen J, Lin Q.
    Journal: J Pain Res; 2023; 16():3797-3805. PubMed ID: 38026464.
    Abstract:
    PURPOSE: To compare the effect of Dural puncture epidural (DPE) and conventional epidural (EP), in conjunction with programmed intermittent epidural bolus (PIEB) and low-concentration ropivacaine strategy. METHODS: After written informed consent was obtained, healthy nulliparous women with singleton pregnancies, vertex presentation at 38-42 weeks' gestation, cervical dilation of 3-5 cm, and a desire for pain relief were randomly assigned to DPE or EP group. Dural matter was puncture with 25G Whitacre needle in DPE group. Analgesia was initiated with 15 mL of 0.1% ropivacaine over 5 minutes and was maintained by PIEB (8 mL of 0.08% ropivacaine with 2 μg/mL fentanyl every 40 min). Primary outcome was the percentage of adequate analgesia, defined as NRPS ≤1, at 30 minutes after the initiation of the epidural bolus. RESULTS: Out of 130 enrolled parturients, 127 were included in final analysis (64 in DPE group, 63 in EP group). No significant difference was found in percentage of adequate analgesia at 30 minutes (risk ratio: 1.09; 95% confidence interval: 0.90-1.31; P = 0.366). At 8, 12, 14, and 16 minutes, percentage of adequate analgesia was higher in DPE group (P = 0.023, 0.027, 0.016 and 0.033, respectively). NPRS scores in DPE group decreased more dramatically within the first 30 min. The incidence of S2 sensory blocks at 20 and 30 min in DPE group was higher (P = 0.010 and 0.006, respectively). There were no differences in patient satisfaction, delivery mode, adverse effects, fetal bradycardia, and Apgar scores at 1 and 5 minutes. CONCLUSION: The combination of the use of DPE technique with 25G spinal needle and PIEB technique for labor analgesia appears to enhance the quality of labor analgesia by accelerating onset and providing improved sacral blockade, without increasing adverse effects.
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