• M G Rorarius, P Suominen, G A Baer, O Romppanen, and R Tuimala.
• Department of Anaesthesiology, University Hospital, Tampere, Finland.
• Br J Anaesth. 1993 Mar 1; 70 (3): 293-7.

AbstractWe have studied the effect of a constant infusion of diclofenac 150 mg/24 h, ketoprofen 200 mg/24 h or placebo on postoperative pain after elective Caesarean section performed under spinal or extradural block in 90 patients in a prospective, randomized and double-blind study. During the first 24 h after operation, patients in the treatment groups were more comfortable than the placebo group (P < 0.005); the diclofenac group needed a mean of oxycodone 21.6 mg/24 h and the ketoprofen group 21.2 mg/24 h, compared with 38.3 mg/24 in the placebo group (P < 0.001); the mean time to the first injection of oxycodone was 270.5 min in the diclofenac group, 270.2 min in the ketoprofen group and 161.2 min in the placebo group (P < 0.001). During the first 24 h after operation, the temperature increased in the control group by 0.7 degrees C compared with 0.1 degrees C in the diclofenac group and 0.3 degrees C in the ketoprofen group. One patient in the diclofenac group was eliminated from the study because of uterine relaxation during the first 30 min after start of the drug infusion; this improved after cessation of diclofenac and infusion of sulprostone. There were no other serious side effects.

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