Diclofenac suppository versus intramuscular pethidine in post herniorrhaphy pain relief

Noroozinia, H and Mahoori, A.R and Hassani, E and Akhbari, P (2011) Diclofenac suppository versus intramuscular pethidine in post herniorrhaphy pain relief. Tehran University Medical Journal, 69 (3).

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Abstract

Non-steroidal anti-inflammatory drugs (NSADs) and opioids are frequently administered to relieve postoperative pain. Uncontrolled postoperative pain may produce a range of detrimental acute and chronic health consequences and increase mortality and morbidity. Practically, the analgesic efficacy of opioids is typically limited by the development of tolerance to them or by opioid-related sideeffects such as nausea, vomiting, sedation or respiratory depression. This study aims to assess the effects of suppository diclofenac on post-herniorrhaphy pain management. Methods: In this prospective double-blind clinical trial, 60 patients who were candidate for the surgical repair of inguinal hernia were divided into two groups. Patients in group A received 100 mg of suppository diclofenac and patients in group B 50 mg of pethidine after the induction of anesthesia and before surgical incision. Postoperative pain assessment was done by an unbiased observer on the arrival of patients in the recovery room, using a 10-cm visual analogue scale (VAS) at 2-hour intervals for 6 hours. Results: Pain relief was similar in the two groups (P=0.3). Patients in group B required more analgesia two hours post-operatively (P=0.03), while patients in group A had more favorable results regarding pain control (P<0.05). Statistically, there was no difference between the two groups at other intervals. The occurrence of nausea and vomiting was similar in both groups. No respiratory depression was observed in the patients. Conclusion: Preventive analgesia with 100 mg of suppository diclofenac after anesthesia induction for herniorrhaphy produced effective postoperative analgesia with minimum side-effects

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