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The purpose of this study was to determine the feasibility of a portable video\u2010assisted intubation device (UEScope) to verify the optimal placement of an EMG tube.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective study enrolled 40 consecutive patients who underwent monitored thyroidectomies. After positioning the patient for surgery, an anesthesiologist performed tracheal intubation with UEScope and checked the position of the tube at the proper depth without rotation to the vocal cords. The main outcome measured was the proper EMG tube position, free from further adjustment. The secondary outcomes assessed were the percentage of available initial vagal stimulation (V1) signals.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>All tracheal intubations were successful at first attempt. Proper EMG tube placement without position adjustment was found in 97.5% of the patients. Tube withdrawal was required in a male patient. All patients obtained detectable V1 signals; the lowest and median V1 amplitude was 485 and 767\u2009\u03bcV as a reference value, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The UEScope is a valuable and reliable tool for placing an EMG tube and confirming its position during monitored thyroidectomy. In addition, further tube adjustment might be waived in most cases when the anesthesiologist placed the EMG tube after patient positioning for surgery. Routine use of video\u2010assisted intubation devices is highly recommended.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence<\/jats:title><jats:p>4.<\/jats:p><\/jats:sec>","DOI":"10.1002\/lio2.635","type":"journal-article","created":{"date-parts":[[2021,8,11]],"date-time":"2021-08-11T11:38:35Z","timestamp":1628681915000},"page":"1214-1219","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Optimization of electromyographic endotracheal tube electrode position by <scp>UEScope<\/scp> for monitored thyroidectomy"],"prefix":"10.1002","volume":"6","author":[{"given":"Jui\u2010Mei","family":"Huang","sequence":"first","affiliation":[{"name":"Department of Anesthesiology Kaohsiung Municipal Ta\u2010Tung Hospital, Kaohsiung Medical University Hospital, Kaohsiung Medical University  Kaohsiung 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