{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,22]],"date-time":"2026-07-22T04:12:00Z","timestamp":1784693520648,"version":"3.55.0"},"reference-count":24,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2016,10,14]],"date-time":"2016-10-14T00:00:00Z","timestamp":1476403200000},"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":[[2017,5]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>Patients with incidental or minimally symptomatic superior semicircular canal dehiscence (SSCD) are usually observed, without surgical repair. However, it remains unknown whether a labyrinthine fistula of the superior semicircular canal is associated with progressive conductive or sensorineural hearing loss over time.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Design<\/jats:title><jats:p>Retrospective review at two tertiary care academic referral centers.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Adults analyzed were diagnosed with SSCD by high\u2010resolution temporal bone computed tomography and vestibular evoked myogenic potential testing and observed with a minimum of two sequential audiograms. Patients with other potential causes of hearing impairment were excluded.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 40 ears in 30 adult patients (median age: 59 years; 63% female) were analyzed. Median audiometric follow\u2010up was 23 months (range 1\u2013136 months). None experienced a sudden hearing loss over the follow\u2010up period. In patients with audiometric follow\u2010up of at least 20 months (median 34 months), the median change in air\u2010conduction pure tone average and air\u2013bone gap was 0.9 decibels (dB) per year (interquartile range [IQR] 0\u20132.1) and 0.7 dB per year (IQR 0\u20132.0), respectively. Speech discrimination scores did not differ when comparing median initial (100%) and median final (98%) scores (<jats:italic>P<\/jats:italic> = 0.77). There was no statistically significant change in bone\u2010conduction thresholds at 0.5, 1, 2, and 4 kHz over the period of observation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The risk of progressive hearing loss with observed SSCD is low during short\u2010 and intermediate\u2010term follow\u2010up. Further studies are necessary to determine whether late hearing loss occurs. Such information may be critical toward patient counseling regarding the need for and timing of surgery.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence<\/jats:title><jats:p>4. <jats:italic>Laryngoscope<\/jats:italic>, 127:1181\u20131186, 2017<\/jats:p><\/jats:sec>","DOI":"10.1002\/lary.26322","type":"journal-article","created":{"date-parts":[[2016,10,14]],"date-time":"2016-10-14T09:29:47Z","timestamp":1476437387000},"page":"1181-1186","source":"Crossref","is-referenced-by-count":15,"title":["Risk of progressive hearing loss in untreated superior semicircular canal dehiscence"],"prefix":"10.1002","volume":"127","author":[{"given":"Neil S.","family":"Patel","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology Mayo Clinic Rochester Minnesota U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jacob B.","family":"Hunter","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology\u2013Head and Neck Surgery Vanderbilt University Medical Center Nashville Tennessee U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brendan P.","family":"O'Connell","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology\u2013Head and Neck Surgery Vanderbilt University Medical Center Nashville Tennessee U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natalie M.","family":"Bertrand","sequence":"additional","affiliation":[{"name":"Department of Biology Palm Beach Atlantic University West Palm Beach Florida U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"George B.","family":"Wanna","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology\u2013Head and Neck Surgery Vanderbilt University Medical Center Nashville Tennessee U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew L.","family":"Carlson","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology Mayo Clinic Rochester Minnesota U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2016,10,14]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1001\/archotol.124.3.249"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.mlg.0000178324.55729.b7"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1097\/MAO.0000000000000928"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1080\/000164801750388090"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.aorl.2006.12.004"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1258\/002221503322113003"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1186\/1752-1947-5-47"},{"key":"e_1_2_6_9_1","first-page":"137","article-title":"Superior semicircular canal dehiscence mimicking otosclerotic hearing loss","volume":"65","author":"Merchant SN","year":"2007","journal-title":"Adv 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