{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T00:08:51Z","timestamp":1780445331350,"version":"3.54.1"},"reference-count":33,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2020,12,8]],"date-time":"2020-12-08T00:00:00Z","timestamp":1607385600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["aao-hnsfjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Otolaryngol.--head neck surg."],"published-print":{"date-parts":[[2021,9]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To determine if wideband tympanometry (WBT) can differentiate types of middle ear effusion (MEE): serous, mucoid, and purulent.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Design<\/jats:title><jats:p>Prospective cohort study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>Tertiary care children\u2019s hospital.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Children who met American Academy of Otolaryngology\u2013Head and Neck Surgery\u2019s guidelines for ventilation tube insertion had WBT after anesthesia induction but before tympanotomy. MEE was categorized into 1 of 4 comparison groups: serous effusion, mucoid effusion, purulent effusion, or no effusion. WBT measurements were averaged to 16 one\u2010third octave frequency bands, and comparison of the absorbance patterns for each MEE type was performed through a linear mixed effects model.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 118 children (211 ears) were included: 47 females (39.8%) and 71\u00a0males (60.2%). The mean age was 2.73 years (95% CI, 2.25\u20103.22); mean weight, 14.35\u00a0kg (95% CI, 12.85\u201015.85); and mean <jats:italic>Z<\/jats:italic> score, 1.13 (95% CI, \u20130.64 to 2.33). Effusions included 61\u00a0mucoid (28.9%), 30 purulent (14.2%), and 14 serous (6.6%), with 106 (50.2%) having no effusion. No significant differences were found for sex, race, age, weight, or <jats:italic>Z<\/jats:italic> score among the 4 types of effusion (<jats:italic>P<\/jats:italic> &lt;. 05). WBT showed a significant difference in median absorption among the effusion groups (<jats:italic>P<\/jats:italic> &lt;. 001), with a medium effect size of 0.35.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>WBT has potential use to differentiate types of MEE and should be studied further as a tool for investigating how the natural history and management of serous and mucoid effusions may differ.<\/jats:p><\/jats:sec>","DOI":"10.1177\/0194599820978262","type":"journal-article","created":{"date-parts":[[2020,12,10]],"date-time":"2020-12-10T13:19:08Z","timestamp":1607606348000},"page":"465-469","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Assessment of Pediatric Middle Ear Effusions With Wideband Tympanometry"],"prefix":"10.1002","volume":"165","author":[{"given":"Sarah","family":"Callaham","sequence":"first","affiliation":[{"name":"School of Medicine West Virginia University Morgantown West Virginia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maxwell","family":"Newby","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology West Virginia University Morgantown West Virginia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aniket A.","family":"Saoji","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology\u2013Head and Neck Surgery Mayo Clinic Rochester Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jad","family":"Ramadan","sequence":"additional","affiliation":[{"name":"Rockefeller Neurosciences Institute West Virginia University Morgantown West Virginia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michele M.","family":"Carr","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology Jacobs School of Medicine and Biomedical Sciences at the University at Buffalo Buffalo New York 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