• Susanne Abdulla, Regina Eckhardt, Ute Netter, and Walied Abdulla.
• Department of Anesthesiology and Intensive Care Medicine Klinikum Bernburg, Teaching Hospital, Martin Luther University Halle-Wittenberg, Germany. walied.abdulla@t-online.de
• Middle East J Anaesthesiol. 2012 Feb 1;21(4):543-52.

ObjectivesIn a randomized, double-blind trial, the synergistic action of intravenous parecoxib, metamizol or paracetamol on postoperative piritramide consumption was compared in patients recovering from total thyroidectomy during the first 24 h while evaluating pain intensity and patient satisfaction.Methods120 patients were randomly allocated to four patient groups treated with normal saline and/or one of non-opioid analgesics (parecoxib 40 mg twice daily, metamizol 1 g three times daily, paracetamol 1 g three times daily) in addition to piritramide using the PCA pump. Beginning in the recovery room (PACU), patients were asked every 2 h for 6 hours and afterwards once every 6 h to quantify their pain experience and patient satisfaction while piritramide consumption was recorded.ResultsUpon arrival in the PACU piritramide consumption was high and decreased thereafter significantly in all groups (P < 0.05). There were no significant differences between groups in incremental and cumulative piritramide consumption during the investigation. Also, VAS scores were high upon arrival in the PACU and dropped in all groups continuously after surgery: At 2 h and 4 h after surgery they were significantly lower in parecoxib group compared with NaCl (P < 0.01). For overall patient satisfaction, no significant differences were observed. Pain relief scores at 24 h were significantly higher in parecoxib group as compared to metamizol and paracetamol (P < 0.01). Mild PONV was observed frequently in all groups and was treated with metoclopramide.ConclusionThere is no clear-cut difference between the non-opioid drugs used, even though parecoxib seems to be superior in regard to VAS scores and piritramide consumption. However, the clinical significance is debatable.

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