Methadone versus morphine for postoperative pain in patients undergoing surgery for gynecological cancer: A randomized controlled clinical trial.
Journal: 2019/November - Journal of Clinical Anesthesia
ISSN: 1873-4529
PUBMED: 31761417
Abstract:The aim of this study was to compare methadone and morphine for the management of postoperative.Open, controlled study.Postoperative recovering area, ward.Sixty-four patients, ASA I-III, undergoing gynecological surgery for cancer.Morphine or methadone 0.15 mg/kg given preoperatively. After operation an intravenous morphine or intravenous methadone infusion at doses of 12 mg/day was started.Pain intensity and opioid consumption.Methadone infusion provided a better analgesia in comparison with morphine infusion on the second day. Opioid consumption was significantly lower in the methadone group. No episodes of relevant desaturation or signs of respiratory depression were recorded.A preoperative bolus of methadone, followed by a continuous infusion of low doses post-operatively, provided a better analgesia, without adding risk of adverse effects, in comparison with morphine.
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