{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T19:36:42Z","timestamp":1790969802821,"version":"4.1.0"},"reference-count":36,"publisher":"Wiley","license":[{"start":{"date-parts":[[2024,8,23]],"date-time":"2024-08-23T00:00:00Z","timestamp":1724371200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Laryngoscope"],"abstract":"<jats:sec><jats:title>Objective(s)<\/jats:title><jats:p>The objective of this study was to characterize the level of agreement between three manometers: (1) Iowa Oral Performance Instrument (IOPI)\u2014the reference standard for tongue, lip, and cheek strength assessments; (2) MicroRPM Respiratory Pressure Meter (MicroRPM)\u2014the reference standard for respiratory strength assessments; and (3) Digital Pressure Manometer (DPM)\u2014an alternative, low\u2010cost pressure testing manometer.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Manual pressures were simultaneously applied to the IOPI and DPM, and to the MicroRPM and DPM, within a controlled laboratory setting. Agreement in pressure readings were analyzed using descriptive statistics, Lin's concordance correlation, and Bland\u2013Altman Plots. Agreement was interpreted as \u201cpoor\u201d if <jats:italic>\u03c1<\/jats:italic><jats:sub>c<\/jats:sub>\u2009&lt;\u20090.90, \u201cmoderate\u201d if <jats:italic>\u03c1<\/jats:italic><jats:sub>c<\/jats:sub>\u2009=\u20090.90 \u2013 &lt;\u20090.95, \u201csubstantial\u201d if <jats:italic>\u03c1<\/jats:italic><jats:sub>c<\/jats:sub>\u2009=\u20090.95 \u2013 &lt;\u20090.99, and \u201cexcellent\u201d if <jats:italic>\u03c1<\/jats:italic><jats:sub>c<\/jats:sub>\u2009\u2265\u20090.99.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Differences in pressure readings between the DPM and clinical reference standards were consistently present yet highly predictable. There was a median absolute difference of 2.0\u20133.9\u2009kPa between the IOPI and DPM, and 4.5\u20139.8\u2009cm H<jats:sub>2<\/jats:sub>O between the MicroRPM and DPM. Lin's concordance revealed \u201csubstantial\u201d agreement between the IOPI and DPM (<jats:italic>\u03c1<\/jats:italic><jats:sub>c<\/jats:sub>\u2009=\u20090.98) and the MicroRPM and DPM (<jats:italic>\u03c1<\/jats:italic><jats:sub>c<\/jats:sub>\u2009=\u20090.99).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The DPM revealed higher pressure readings when compared to the IOPI and MicroRPM. However, differences in pressure readings were relatively small, highly predictable, and yielded substantial overall agreement. These findings suggest the DPM may be a valid, lower\u2010cost alternative for objective assessments of tongue, lip, cheek, and respiratory muscle strength. Future research should expand on the present findings in clinical patient populations.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence<\/jats:title><jats:p>NA <jats:italic>Laryngoscope<\/jats:italic>, 2024<\/jats:p><\/jats:sec>","DOI":"10.1002\/lary.31727","type":"journal-article","created":{"date-parts":[[2024,8,23]],"date-time":"2024-08-23T11:50:57Z","timestamp":1724413857000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Validation of a Low\u2010Cost Manometer to Assess of Tongue, Lip, Cheek, and Respiratory Strength: A Laboratory\u2010Based Study"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5677-6364","authenticated-orcid":false,"given":"James A.","family":"Curtis","sequence":"first","affiliation":[{"name":"Aerodigestive Innovations Research lab (AIR), Department of Otolaryngology\u2010Head &amp; Neck Surgery Weill Cornell Medical College of Cornell University  New York New York U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Crystal","family":"Diaz","sequence":"additional","affiliation":[{"name":"Aerodigestive Innovations Research lab (AIR), Department of Otolaryngology\u2010Head &amp; Neck Surgery Weill Cornell Medical College of Cornell University  New York New York U.S.A."},{"name":"Communication Sciences and Disorders Program, Department of Biobehavioral Sciences Teachers College of Columbia University  New York New York U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Theresa","family":"Lee","sequence":"additional","affiliation":[{"name":"Aerodigestive Innovations Research lab (AIR), Department of Otolaryngology\u2010Head &amp; Neck Surgery Weill Cornell Medical College of Cornell University  New York New York U.S.A."},{"name":"Communication Sciences and Disorders Program, Department of Biobehavioral Sciences Teachers College of Columbia University  New York New York U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1543-2634","authenticated-orcid":false,"given":"Ana\u00efs","family":"Rameau","sequence":"additional","affiliation":[{"name":"Laryngology Innovation Lab, Department of Otolaryngology\u2010Head &amp; Neck Surgery Weill Cornell Medical College of Cornell University  New York New York U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,8,23]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.200303-334BC"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.4187\/respcare.06490"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.3390\/brainsci12030365"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1044\/1092-4388(2008\/07-0016)"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/lary.26397"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1044\/2017_AJSLP-16-0144"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1044\/2020_JSLHR-20-00143"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.3349\/ymj.2010.51.3.392"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1152\/jappl.1981.51.2.494"},{"key":"e_1_2_8_11_1","first-page":"251","volume-title":"Assessment of Orofacial Strength in Patients with Dysarthria","author":"Solomon NP","year":"2008"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1044\/1058-0360(2003\/051"},{"key":"e_1_2_8_13_1","unstructured":"Normal Values \u2010 IOPI Medical. 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