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Randomized Controlled Trial Comparative Study Clinical Trial
Analgesia from morphine and ketamine. A comparison of infusions of morphine and ketamine for postoperative analgesia.
- H Owen, R M Reekie, J A Clements, R Watson, and W S Nimmo.
- University Department of Anaesthesia, Royal Infirmary, Glasgow.
- Anaesthesia. 1987 Oct 1;42(10):1051-6.
AbstractKetamine 4 micrograms/kg/minute produced pain relief similar to that from morphine 33 micrograms/minute in a double-blind study that compared analgesia from constant-rate intravenous infusions of the two drugs in 60 patients. The analgesic efficacy of the infusions, as assessed by pain scores and the requirement for supplementary self-administered morphine, was poor. Ventilatory depression, the most significant side effect, occurred only in patients who received morphine infusion. The low dose ketamine infusion did not provide clinically useful analgesia even though adequate plasma concentrations were achieved.
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