Anaesthesia and intensive care
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Anaesth Intensive Care · Feb 1993
Randomized Controlled Trial Clinical TrialThe influence of adrenaline on postoperative analgesia after subarachnoid morphine.
A randomised, double-blind study was conducted to investigate the postoperative effects of subarachnoid morphine, with or without adrenaline, after major gynaecological surgery. Seventy-five women having spinal anaesthesia combined with either sedation or general anaesthesia were randomised to receive subarachnoid morphine 0.25 mg with (group MA) or without (group M) adrenaline 200 micrograms; or normal saline (group C). ⋯ There was no significant difference in any outcome between groups MA and M. It was concluded that, under the study conditions in a post-gynaecological surgery population, the addition of adrenaline to subarachnoid morphine was of no benefit.