{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,29]],"date-time":"2025-10-29T13:45:59Z","timestamp":1761745559411,"version":"3.40.5"},"reference-count":33,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2021,9,15]],"date-time":"2021-09-15T00:00:00Z","timestamp":1631664000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Head &amp; Neck"],"published-print":{"date-parts":[[2021,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>To investigate a novel velopharyngeal squeeze maneuver (VPSM) and novel endoscopic pharyngeal contraction grade (EPCG) scale for the evaluation of pharyngeal motor function.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>During endoscopic examination of 77 post\u2010irradiated nasopharyngeal carcinoma patients and control subjects, VPSM was rated and lateral pharyngeal wall movement graded with EPCG scale during swallowing. Pharyngeal constriction ratio (PCR) measured by videofluoroscopy was used for correlation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>VPSM and EPCG scale showed almost perfect intra\u2010rater and inter\u2010rater reliability (Kappa: &gt;0.90). VPSM was present in 61% of patients suggesting good pharyngeal motor function. VPSM was predictive of EPCG scale (Wald statistic\u00a0=\u00a029.99, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). EPCG scale also correlated strongly with PCR (<jats:italic>r<\/jats:italic>: 0.812) and was predictive for aspiration (odds ratio: 22.14 [95% CI 5.01\u201397.89, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001]).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>VPSM and EPCG scale are two novel tools to assess pharyngeal motor function, and both correlate well with pharyngeal contractility and aspiration.<\/jats:p><\/jats:sec>","DOI":"10.1002\/hed.26871","type":"journal-article","created":{"date-parts":[[2021,9,15]],"date-time":"2021-09-15T11:08:07Z","timestamp":1631704087000},"page":"3586-3597","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Assessment of pharyngeal motor function using a novel velopharyngeal squeeze maneuver and a novel endoscopic pharyngeal contraction grade scale in patients with dysphagia after radiotherapy for nasopharyngeal carcinoma"],"prefix":"10.1002","volume":"43","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2669-9126","authenticated-orcid":false,"given":"Peter K. M.","family":"Ku","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology\u2014Head and Neck Surgery United Christian Hospital and Tseung Kwan O Hospital  Hong Kong"},{"name":"Department of Otorhinolaryngology\u2014Head and Neck Surgery The Chinese University of Hong Kong, Prince of Wales Hospital  Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexander C.","family":"Vlantis","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology\u2014Head and Neck Surgery The Chinese University of Hong Kong, Prince of Wales Hospital  Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas S. C.","family":"Hui","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology\u2014Head and Neck Surgery United Christian Hospital and Tseung Kwan O Hospital  Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David C. M.","family":"Yeung","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology\u2014Head and Neck Surgery United Christian Hospital and Tseung Kwan O Hospital  Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alex K. F.","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology\u2014Head and Neck Surgery United Christian Hospital and Tseung Kwan O Hospital  Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Law","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology\u2014Head and Neck Surgery The Chinese University of Hong Kong, Prince of Wales Hospital  Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Simon Y. P.","family":"Chan","sequence":"additional","affiliation":[{"name":"Department of Speech Therapy Prince of Wales Hospital  Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Esther S. M.","family":"Poon","sequence":"additional","affiliation":[{"name":"Department of Speech Therapy United Christian Hospital and Tseung Kwan O Hospital  Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sophie Y. Y.","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Speech Therapy United Christian Hospital and Tseung Kwan O Hospital  Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Becky Y. T.","family":"Chan","sequence":"additional","affiliation":[{"name":"Department of Speech Therapy Prince of Wales Hospital  Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Twinky Y. 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W.","family":"Yam","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology\u2014Head and Neck Surgery The Chinese University of Hong Kong, Prince of Wales Hospital  Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christina S. M.","family":"Ho","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology\u2014Head and Neck Surgery The Chinese University of Hong Kong, Prince of Wales Hospital  Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kristy P. T.","family":"Fung","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology\u2014Head and Neck Surgery The Chinese University of Hong Kong, Prince of Wales Hospital  Hong Kong"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Coco S. 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