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Randomized Controlled Trial Clinical Trial
Extradural morphine and pain relief following episiotomy.
- R Macdonald and P J Smith.
- Br J Anaesth. 1984 Nov 1; 56 (11): 1201-5.
AbstractOne hundred and fifty obstetric patients, who had received intrapartum extradural analgesia with bupivacaine, and had required episiotomy, were given a final postpartum injection of preservative-free morphine in saline, or saline alone, on a double-blind basis. The degree of perineal analgesia was assessed by linear analogue scale at intervals up to 36 h, and oral analgesic requirements were recorded. A significant degree of analgesia was obtained for up to 12 h with morphine 2 mg, compared with saline. Increasing the dose to 4 mg increased the occurrence of side-effects, and was associated with less marked analgesia.
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