Diclofenac Is Superior to Paracetamol in Postoperative Pain Scores and Analgesic Consumption in Supratentorial Craniotomy With No Difference in Platelet and Clot Function: A Prospective Randomized Controlled Trial
Abstract
Background: The 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. Methods: In 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. Results: At 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…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 110 participants or records.
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