Comparison of intranasal versus intravenous dexmedetomidine in postoperative pain control in traumatic mandibular fractures surgery: a randomized clinical trial
Abstract
Objective: Effective pain management in mandibular fractures is crucial due to the complications associated with opioids, such as respiratory depression and re-intubation. Non-opioid methods are therefore important. This study aims to compare the effectiveness, safety, and efficiency of intranasal (IN) versus intravenous (IV) dexmedetomidine (Dex) for reducing acute pain following mandibular surgery. Methods: This study was a randomized, double-blind clinical trial. All patients underwent general anesthesia, laryngoscopy, and intubation in a standardized manner. For the IN administration group, Dex was prescribed at a dose of 0.2 µ/kg (in the form of drops) half an hour before the start of anesthesia. For the IV administration group, Dex was administered at a dose of 0.5 µ/kg intravenously over ten minutes, half an hour before anesthesia. During the first 24 hours after surgery, pain intensity and the total amount of opioid medication (measured in mg of pethidine) were recorded for each patient. Results: There was no significant difference in pain intensity between the two groups in the post-anesthesia care unit (P=0.898), one hour (P=0.052) and 24 hours post-surgery (P=0.898). However, pain intensity was significantly lower in the IN Dex group at the second (P=0.044), fourth (P=0.041), sixth (P=0.048), and twelfth (P=0.025) hours. Total pethidine injected in the IN Dex group was significantly lower than in the IV Dex group (P=0.041). Conclusion: This study underscores the efficacy of IN Dex as a viable alternative for postoperative pain management in traumatic mandibular fracture surgeries.
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