Application efficacy of dural puncture epidural versus traditional combined spinal epidural for labour analgesia: A systematic review and meta-analysis with trial sequential analysis.

Furthermore, our findings regarding nausea and vomiting did not reach statistical significance, as only five of the included RCTs provided relevant data, and the analysed data exhibited considerable heterogeneity ( I2 = 69%), indicating that larger trials may be required to establish whether one technique is superior to the other.

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