Comparison of effects of pethidine (intramuscle) and diclofenac (suppository) for relief of pain after laminectomy

Background&Objective: Pain, in particular post-operative pains, can produce numerous complications including a delay in healing of wounds in patients. For pain relief in patients postoperatively, different drugs are used, opioids like pethidine and NSAIDs. This study was carried out to compare the effects of the IM pethidine and suppository Diclofenac for pain relief after laminectomy following lumbar disc hernia. Materials&Methods: this is a randomized control clinical trial study, 100 patients presenting for laminectomy with diagnosis of lumbar disc hernia and eligible for participation in the study, after recieving their informed consent for inclusion in the study non probability convenience sampling were selected by a convenience sampling method and then divided into two groups of Pethidine (P) and Diclofenac (D). Patients’ pain scores were measured by Visual Analogue Scale (VAS). Finally, the data obtained were analyzed by statistical software of SPSS.10, F test, T test and ?² P<0.05 was considered significant. Results: Mean pain scores within 24 hours after operation were calculated in group P as 2.8±2.02 and in group D as 4.46±2.30. There was a statistically significant difference between the reduction of the pain score after surgery in both groups (p