• F Farhat, M C Savoyen, and C Jayr.
• Institut Gustave-Roussy, Service d'Anesthésie, Villejuif.
• Cah Anesthesiol. 1995 Jan 1;43(4):351-6.

AbstractThe analgesic and antipyretic efficacy of propacetamol is identical to paracetamol. Because the propacetamol is injectable and its side effects are uncommon and mild, it is the drug commonly used in France for postoperative pain relief. The aim of this prospective study was to compare the analgesic efficacy of propacetamol after breast surgery or thyroidectomy when it was administered either systematically or on the patients demand. After informed consent, 119 patients having undergone breast surgery or thyroidectomy, having received the same general anaesthesia and scheduled for receiving propacetamol postoperatively, were included in the study. Two groups of patients were compared, those who received propacetamol on demand (D Group) and those who received propacetamol systematically (S Group). During the first 24 hours, analgesia was evaluated on a visual analogical scale graded from 0 to 100 mm, at rest and during mobilization; the efficacy was also evaluated by the amount of additional analgesic drug injected. Side effects were also compared between the 2 treatment groups. In the 2 groups, demographic data, type of anaesthesia and type of surgery were identical. Postoperative pain relief and supplemental injection of morphine were not statistically different between the 2 groups. Propacetamol doses were statistically higher in the S group than in the D group (7.8 +/- 0.7 g and 3.9 +/- 2.3 g respectively, p < 0.05). Pain during propacetamol infusion was more frequent in the D group than in the S group (30% and 13% respectively, p < 0.05). No other adverse effects were observed during the study. Propacetamol alone is sufficient for pain relief after peripheral surgery; more than 90% of patients need no supplemental analgesic, and adverse effects are rare.

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