This prospective observational study evaluated the effect of dexmedetomidine compared with midazolam on intraoperative monitoring of the recurrent laryngeal nerve during thyroid surgery. The main goal was to assess whether dexmedetomidine influences the time to identify the recurrent laryngeal nerve and the quality of nerve signals. Secondary outcomes included time to vagus nerve identification, intraoperative hemodynamic changes, extubation time, postoperative nausea and vomiting, sedation levels, and recovery parameters. A total of 60 adult patients undergoing thyroidectomy with intraoperative neuromonitoring were included. The findings are expected to guide anesthetic choices that optimize patient safety and surgical outcomes in thyroid operations.
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Time to Identification of the Recurrent Laryngeal Nerve (minutes)
Timeframe: Intraoperative period (from skin incision until RLN identification, typically within the first 60 minutes of surgery).