{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,17]],"date-time":"2026-06-17T07:12:49Z","timestamp":1781680369990,"version":"3.54.5"},"reference-count":27,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2022,12,19]],"date-time":"2022-12-19T00:00:00Z","timestamp":1671408000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000049","name":"National Institute on Aging","doi-asserted-by":"publisher","award":["K76 AG054866"],"award-info":[{"award-number":["K76 AG054866"]}],"id":[{"id":"10.13039\/100000049","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000049","name":"National Institute on Aging","doi-asserted-by":"publisher","award":["K76 AG079040"],"award-info":[{"award-number":["K76 AG079040"]}],"id":[{"id":"10.13039\/100000049","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100007273","name":"Weill Cornell Medical College","doi-asserted-by":"publisher","award":["KL2\u2010TR\u2010002385"],"award-info":[{"award-number":["KL2\u2010TR\u2010002385"]}],"id":[{"id":"10.13039\/100007273","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Laryngoscope"],"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Current protocols for bedside swallow evaluation have high rates of false negative results. Though experts are not consistently able to screen for aspiration risk by assessing vocal quality, there is emerging evidence that vocal acoustic parameters are significantly different in patients at risk of aspiration. Herein, we aimed to determine whether the presence of material on the vocal folds in an excised canine laryngeal model may have an impact on acoustic and aerodynamic measures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Two <jats:italic>ex vivo<\/jats:italic> canine larynges were tested. Three liquids of different viscosities (1:100 diluted glycerin, pure glycerin, and honey\u2010thick Varibar) were placed on the vocal folds at a constant volume. Acoustic and aerodynamic measures were obtained in both adducted and abducted vocal fold configurations. Intraglottal high\u2010speed imaging was used to approximate the maximum divergence angle of the larynges in the studied conditions and examine its relationship to vocal efficiency (VE) and acoustic measures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In glottic insufficiency conditions only, we found that several acoustic parameters could predict the presence of material on the vocal folds. Based on the combination of the aerodynamic and acoustic data, we found that decreased spectral energy in the higher harmonics was associated with decreased VE in the presence of material on the vocal folds and\/or glottic insufficiency.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Decreased spectral energy in the higher harmonics of the voice was found to be a potential biomarker of swallowing dysfunction, as it correlates with decreased vocal efficiency due to material on the vocal folds and\/or glottic insufficiency, both of which are known risk factors for aspiration.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence<\/jats:title><jats:p>NA <jats:italic>Laryngoscope<\/jats:italic>, 133:2517\u20132524, 2023<\/jats:p><\/jats:sec>","DOI":"10.1002\/lary.30525","type":"journal-article","created":{"date-parts":[[2022,12,19]],"date-time":"2022-12-19T10:39:11Z","timestamp":1671446351000},"page":"2517-2524","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Acoustic Screening of the \u201cWet voice\u201d: Proof of Concept in an <i>ex vivo<\/i> Canine Laryngeal Model"],"prefix":"10.1002","volume":"133","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1543-2634","authenticated-orcid":false,"given":"Ana\u00efs","family":"Rameau","sequence":"first","affiliation":[{"name":"Sean Parker Institute for the Voice, Department of Otolaryngology\u2010Head and Neck Surgery Weill Cornell Medicine  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8586-450X","authenticated-orcid":false,"given":"Katerina","family":"Andreadis","sequence":"additional","affiliation":[{"name":"Sean Parker Institute for the Voice, Department of Otolaryngology\u2010Head and Neck Surgery Weill Cornell Medicine  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vinayak","family":"Ganesan","sequence":"additional","affiliation":[{"name":"Sean Parker Institute for the Voice, Department of Otolaryngology\u2010Head and Neck Surgery Weill Cornell Medicine  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mark S","family":"Lachs","sequence":"additional","affiliation":[{"name":"Division of Geriatrics and Palliative Medicine, Department of Medicine Weill Cornell Medicine  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tony","family":"Rosen","sequence":"additional","affiliation":[{"name":"Department of Emergency Medicine Weill Cornell Medicine\/New York \u2010 Presbyterian Hospital  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fei","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Population Health Sciences Weill Cornell Medicine  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandra","family":"Maddox","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology\u2010Head and Neck Surgery University of Cincinnati Medical Center  Cincinnati Ohio USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Holger","family":"Klinck","sequence":"additional","affiliation":[{"name":"K. 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