Towards Optimal Analgesia after Caesarean Section: Comparison of Epidural and Intravenous Patient-controlled Opioid Analgesia

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Abstract
The provision of optimal analgesia after caesarean section remains a challenge as satisfactory pain relief must be combined with patient satisfaction, including the ability to care for the newborn. In a prospective study of 132 patients, we have compared epidural analgesia with intravenous patient-controlled analgesia (IVPCA) after either epidural or general anaesthesia. Different bolus doses of opioid (pethidine 10 mg and 20 mg) in the IVPCA group were also compared. Although epidural morphine provided the greatest efficacy (average pain score out of 10 was 1.8 v. 2.9–3.4 for the other groups), IVPCA, especially with a bolus dose of 20 mg, and especially after epidural anaesthesia, provided the greatest patient satisfaction with the least side-effects.