• Ahmed Atef and Ahmed Aly Fawaz.
• Department of Otorhinolaryngology, Faculty of Medicine, Cairo University, Cairo, Egypt. amratef@dr.com
• Eur Arch Otorhinolaryngol. 2008 Mar 1;265(3):351-5.

AbstractTonsillectomy in adults is associated with significant postoperative pain. Intravenous paracetamol injection (Perfalgan) is marketed for the management of acute pain. This prospective placebo-controlled study was performed to evaluate the analgesic efficacy and safety of intravenous paracetamol in 76 adult patients undergoing elective standard bipolar diathermy tonsillectomy. After tonsillectomy was performed under general anesthesia, the patients were randomized to receive either intravenous paracetamol 1 g (Perfalgan) (n = 38) or 0.9% normal saline as a placebo (n = 38) at 6-h intervals. No other analgesic medication was permitted for postoperative pain during the study. Need for rescue analgesic during the first 24 h after surgery as well as all adverse events were recorded. The intravenous paracetamol group differed significantly from the placebo group regarding pain relief and median time to pethidine rescue. Intravenous paracetamol significantly reduced pethidine consumption over the 24-h period. The worst pain after surgery was also more severe in the placebo group than that in the paracetamol group. There was no significant difference between groups in the incidence of adverse events. Intravenous paracetamol administered regularly in adult patients with moderate to severe pain after tonsillectomy provided rapid and effective analgesia and was well tolerated.

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