• Fozieh Bakhsha, Alireza Seyedi Niaki, Seyed Yaghoub Jafari, Zahra Yousefi, and Mohammad Aryaie.
• Lecturer, Department of Anesthesia, Laboratory Sciences Research Center, Golestan University of Medical Sciences , Gorgan, Iran .
• J Clin Diagn Res. 2016 Jul 1; 10 (7): UC09-12.

IntroductionThe main tasks of postoperative care are postoperative pain and complications control which play an important role in accelerating the recovery of patient's general condition.AimThis study was performed in order to compare the effects of diclofenac suppository, intravenous acetaminophen and their combination on the severity of postoperative pain in patients undergoing spinal anaesthesia for cesarean section in Sayyad Shirazi teaching Hospital, Gorgon, Iran.Materials And MethodsThis was a double-blind clinical trial on 90 patients undergoing cesarean section. The patients were randomly divided into three groups, group A: 100 mg diclofenac suppository, group B: 1000 mg intravenous acetaminophen, group C: 100 mg diclofenac suppository and 500 mg intravenous acetaminophen. The same spinal anaesthesia circumstances were applied for all the participants. At the end of surgery, pain severity was assessed according to VAS scale at different times. Data were then analysed by SPSS 18 statistical software.ResultsThe mean age of participants was (28.27±6.07). There was significant difference between the mean pain scores of the three groups before the intervention (p=0.018), which was considered as co-variate. This difference was more notable between the combination of acetaminophen - diclofenac group and diclofenac alone. After the intervention, significant difference was observed in mean pain severity between acetaminophen group and the combination group and also between diclofenac and the combination group. During the study, the least mean pain severity was found in the combination group and the highest was observed in the diclofenac group.ConclusionResults of this study indicates a significant effect of concomitant use of intravenous acetaminophen and diclofenac suppository on pain severity reduction and reducing the need for repeated doses of narcotics and prolonging the postoperative analgesia.

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