The aim of this study is to compare two distinct modes of NIM Vital application in thyroid surgery: i-IONM vs. NerveTrend mode with respect to prevalence of early postoperative RLN injury. The hypothesis explored in this study is that NerveTrend mode may be more accurate than conventional i-IONM mode in intraoperative identification of impending neural injury and in prognostication of postoperative glottis function in monitored bilateral thyroid surgery. Hence, NerveTrend mode may be considered a bridge between i-IONM and c-IONM modes, and particularly in health care environments with limited financial resources it can be considered a substantial step forward representing a modern alternative to the c-IONM technique and providing benefits over conventional i-IONM mode. A prospective, randomized study with 2 arms: i-IONM vs. NeveTrend mode (n=132 patients and 264 nerves at risk, each). The primary outcome measure is prevalence of recurrent laryngeal nerve (RLN) injury (%) on postoperative day 1 assessed by direct laryngoscopy.
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Prevalence of recurrent laryngeal nerve injury (%) assessed by direct laryngoscopy
Timeframe: Postoperative day 1