{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,14]],"date-time":"2026-04-14T02:08:00Z","timestamp":1776132480987,"version":"3.50.1"},"reference-count":31,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2020,10,21]],"date-time":"2020-10-21T00:00:00Z","timestamp":1603238400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100004844","name":"National Cheng Kung University Hospital","doi-asserted-by":"publisher","award":["NCKUH\u201010802018"],"award-info":[{"award-number":["NCKUH\u201010802018"]}],"id":[{"id":"10.13039\/501100004844","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Laryngoscope"],"published-print":{"date-parts":[[2021,4]]},"abstract":"<jats:sec><jats:title>Objectives\/Hypothesis<\/jats:title><jats:p>To investigate the lingual artery (LA) position in the tongue base through intraoperative ultrasound (IOU) imaging during transoral robotic surgery (TORS) and evaluate bleeding complications with or without the assistance of IOU.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Design<\/jats:title><jats:p>Cohort study with historical control.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Patients with obstructive sleep apnea (OSA) who underwent TORS for tongue base resection were recruited since 2016. During surgery, ultrasound imaging was employed to identify anatomic parameters of the LA in the tongue base, including distance to the midline and arterial depth and diameter.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Ninety\u2010three OSA patients (82 men, 88.2%) were analyzed. Mean age was 42.2\u2009\u00b1\u200910.0\u2009years and body mass index was 29.2\u2009\u00b1\u20094.5\u2009kg\/m<jats:sup>2<\/jats:sup>. Average apnea\u2013hypopnea index (AHI) was 58.1\u2009\u00b1\u200921.4 events\/hour. Overall, 70 patients who underwent TORS with IOU had a shorter operation time (191.7\u2009\u00b1\u20093.8 vs. 220.1\u2009\u00b1\u20096.6\u2009minutes), lower total blood loss (11.3\u2009\u00b1\u200910.8 vs. 19.6\u2009\u00b1\u200926.7\u2009mL), and higher tongue base reduction volume (7.1\u2009\u00b1\u20092.5 vs. 3.9\u2009\u00b1\u20091.6\u2009mL) than 23 patients who underwent TORS without IOU. Significant predictors of arterial depth included higher AHI level during the rapid eye movement sleep (<jats:italic>P<\/jats:italic> = .038), larger tonsil size (<jats:italic>P<\/jats:italic> = .034), and more elevated Friedman tongue position (<jats:italic>P<\/jats:italic> = .012). Postoperative complications associated with LA injury were not found in patients subjected to IOU.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>With the assistance of IOU, surgeons can confidently determine LA position. The use of IOU can maximize efficiency and minimize catastrophic bleeding complications when OSA patients undergo TORS for tongue base resection.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence<\/jats:title><jats:p>4 <jats:italic>Laryngoscope<\/jats:italic>, 131:E1383\u2013E1390, 2021<\/jats:p><\/jats:sec>","DOI":"10.1002\/lary.29135","type":"journal-article","created":{"date-parts":[[2020,10,21]],"date-time":"2020-10-21T11:38:26Z","timestamp":1603280306000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["<scp>Real\u2010Time,<\/scp> Intraoperative, <scp>Ultrasound\u2010Assisted<\/scp> Transoral Robotic Surgery for Obstructive Sleep Apnea"],"prefix":"10.1002","volume":"131","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5272-281X","authenticated-orcid":false,"given":"Chan\u2010Chi","family":"Chang","sequence":"first","affiliation":[{"name":"Department of Otolaryngology, National Cheng Kung 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Tainan Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cheng\u2010Yu","family":"Lin","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology, National Cheng Kung University Hospital, College of Medicine National Cheng Kung University  Tainan Taiwan"},{"name":"Sleep Medicine Center, National Cheng Kung University Hospital, College of Medicine National Cheng Kung University  Tainan 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