• Ragula Rajkiran, Shiv Lal Soni, Kiran Jangra, Hemant Bhagat, Ajay Singh, Apinderpreet Singh, Nidhi B Panda, and Narender Kaloria.
• Departments of Anaesthesia & Intensive Care.
• J Neurosurg Anesthesiol. 2022 Jul 1; 34 (3): 321-326.

BackgroundThe use of nonsteroidal anti-inflammatory drugs in neurosurgery remains controversial because of potential risk of hematoma formation secondary to platelet dysfunction. This study aimed to investigate the efficacy and safety of diclofenac compared with paracetamol for the management of postcraniotomy pain.MethodsIn all, 110 adult patients undergoing craniotomy for supratentorial tumors were randomized to receive either intravenous paracetamol (15 mg/kg) or intravenous diclofenac sodium (1.5 mg/kg) 30 minutes before the end of surgery and postoperatively at 12-hour intervals up to 48 hours. The analgesic efficacy of diclofenac and paracetamol was assessed using the Numerical Rating Scale (NRS) score at 12, 24, and 48 hours after surgery. We also examined the need for rescue analgesia, coagulation profiles using a Sonoclot analyzer, and incidence of intracranial hematoma formation.ResultsAt 24 hours postsurgery, NRS scores were lower in group D than in group P; median (interquartile range) and mean rank NRS score in group D was 3.00 (1.0), 43.71, respectively, compared with 3.00 (1.0), 59.29 in group P (P=0.004). Patients in group P received more rescue analgesia than those in group D. Coagulation profiles were similar between groups at 24 hours. Activated clotting time was longer in group D (128.76±12.61 s) than in group P (123.84±09.77 s; P=0.03) at 48 hours, although remained within normal limits in both groups; clot rate and platelet function were similar at 48 hours. There was no difference in the incidence of postoperative tumor bed hematoma.ConclusionCompared with paracetamol, diclofenac sodium provided more effective postoperative analgesia at 24 hours with no evidence of adverse effects on coagulation profiles in patients undergoing craniotomy for supratentorial tumors.Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.

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