European journal of pain : EJP
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Review Meta Analysis Comparative Study
Analgesic efficacy and adverse effects of epidural morphine compared to parenteral opioids after elective caesarean section: a systematic review.
The optimal effective dose of epidural morphine that provides postoperative analgesia after caesarean section with minimal side effects remains debated. ⋯ A single bolus of epidural morphine provides better analgesia than parenteral opioids but with an effect limited to the first postoperative day after caesarean section and with an increase in morphine side effects.