• Sennur Uzun, Ilker Onguc Aycan, Ismail Aydin Erden, Altan Sahin, and Ulku Aypar.
• Hacettepe University, Faculty of Medicine, Department of Anaesthesiology and Reanimation, Ankara, Turkey. sennuruzun@superonline.com
• Turk Neurosurg. 2010 Jul 1;20(3):341-7.

AimCombined analgesic regimens produce sufficient analgesia by additive or synergistic effects, and reduce the total dose of analgesics and minimise adverse effects. We investigated the metamizole, paracetamol and morphine combination with respect to postoperative pain treatment in lumbar disc surgery.Material And MethodsAfter Ethics Committee approval and informed consent, 63 patients were allocated to three treatment groups; as Group paracetamol: paracetamol (1 g), Group paracetamol-metamizole: paracetamol (1 g) and metamizole (1 g), and Group placebo: no analgesic. All the patients received intravenous (i.v.) morphine with a patient-controlled analgesia device (PCA) as the rescue analgesic. Pain was assessed by the numerical pain rating scale (NRS, 0-3). Total morphine consumption at 24 hours, patient satisfaction and side effects were investigated.ResultsNRS of Group paracetamol-metamizole was low at 15th min, 30th min and 1st hour, and the difference reached statistical significance at 30th min (p=0.033). Patient satisfaction at the same measurement times was high in this group. Total morphine consumption and side effects were not statistically different between the three groups.ConclusionAddition of metamizole to paracetamol along with iv morphine PCA offers an advantage over single iv morphine PCA and paracetamol, with respect to early postoperative pain treatment and patient satisfaction.

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