{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,13]],"date-time":"2026-01-13T09:02:36Z","timestamp":1768294956576,"version":"3.49.0"},"reference-count":30,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2013,6,28]],"date-time":"2013-06-28T00:00:00Z","timestamp":1372377600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Laryngoscope"],"published-print":{"date-parts":[[2014,1]]},"abstract":"<jats:sec><jats:title>Objectives\/Hypothesis<\/jats:title><jats:p>The relevance of the cricothyroid (CT) muscle in patients with unilateral vocal fold paralysis (UVFP) remains controversial. To clarify the functional significance of the CT muscle in patients with UVFP, the confounding effect of the severity of recurrent laryngeal nerve injury should be taken into consideration. In the present study, quantitative laryngeal electromyography (LEMG) was used to measure the severity of paralysis of the thyroarytenoid\u2010lateral cricoarytenoid (TA\u2010LCA) muscle complex to allow the functional contribution of the CT muscle to be determined.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Design<\/jats:title><jats:p>Cross\u2010sectional study performed in an otolaryngology outpatient clinic.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Thirty\u2010one patients with a main diagnosis of UVFP were recruited. The main outcome measures included LEMG examination, quantitative LEMG analysis of the TA\u2010LCA muscle complex, UVFP\u2010related quality\u2010of\u2010life questionnaire (Voice Outcome Survey [VOS]), voice acoustics analysis, videolaryngostroboscopy, and general quality\u2010of\u2010life questionnaire (Short Form\u201036 Health Survey [SF\u201036]) assessments.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The vocal cord position did not differ between patients with and without CT muscle impairment. Patients with both TA\u2010LCA and CT paralysis showed poorer vocal fold vibration (<jats:italic>P<\/jats:italic>\u2009=\u2009.048) and higher fundamental frequency (<jats:italic>P<\/jats:italic>\u2009=\u2009.02), and the VOS and SF\u201036 were both poorer compared with patients with only TA\u2010LCA paralysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Although the vocal cord position was not influenced by CT muscle function, coexisting CT muscle paralysis may damage the voice by impairing vocal fold vibration in UVFP patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence<\/jats:title><jats:p>4. <jats:italic>Laryngoscope<\/jats:italic>, 124:201\u2013206, 2014<\/jats:p><\/jats:sec>","DOI":"10.1002\/lary.24229","type":"journal-article","created":{"date-parts":[[2013,5,27]],"date-time":"2013-05-27T14:58:39Z","timestamp":1369666719000},"page":"201-206","source":"Crossref","is-referenced-by-count":28,"title":["Cricothyroid muscle dysfunction impairs vocal fold vibration in unilateral vocal fold paralysis"],"prefix":"10.1002","volume":"124","author":[{"given":"Yu\u2010Cheng","family":"Pei","sequence":"first","affiliation":[{"name":"Department of Physical Medicine and Rehabilitation Chang Gung Memorial Hospital Taipei Taiwan R.O.C."},{"name":"School of Medicine Chang Gung Memorial Hospital Taipei Taiwan R.O.C."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tuan\u2010Jen","family":"Fang","sequence":"additional","affiliation":[{"name":"School of Medicine Chang Gung Memorial Hospital Taipei Taiwan R.O.C."},{"name":"Department of Otolaryngology Head and Neck Surgery Chang Gung Memorial Hospital Taipei Taiwan R.O.C."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hsueh\u2010Yu","family":"Li","sequence":"additional","affiliation":[{"name":"School of Medicine Chang Gung Memorial Hospital Taipei Taiwan R.O.C."},{"name":"Department of Otolaryngology Head and Neck Surgery Chang Gung Memorial Hospital Taipei Taiwan R.O.C."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alice M. 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