{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,14]],"date-time":"2026-04-14T13:27:27Z","timestamp":1776173247129,"version":"3.50.1"},"reference-count":23,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2009,12,1]],"date-time":"2009-12-01T00:00:00Z","timestamp":1259625600000},"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":[[2009,12]]},"abstract":"<jats:sec>\n                    <jats:title>OBJECTIVE<\/jats:title>\n                    <jats:p>\n                      To examine the relationship between the air\u2010bone gap (ABG) and the size of the superior semicircular canal dehiscence (SSCD) as measured on a computed tomography (CT) scan.\n                      <jats:bold>STUDY DESIGN<\/jats:bold>\n                      : Case series with chart review.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>SETTING<\/jats:title>\n                    <jats:p>Tertiary referral center.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>PATIENTS<\/jats:title>\n                    <jats:p>Twenty\u2010three patients (28 ears) diagnosed with SSCD.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>MAIN OUTCOME MEASURES<\/jats:title>\n                    <jats:p>The size of the dehiscence on CT scans and the ABG on pure\u2010tone audiometry were recorded.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>\n                      The size of the dehiscence ranged from 1.0 to 6.0\u00a0mm (mean, 3.5 \u00b1 1.6\u00a0mm). Six ears with a dehiscence measuring less than 3.0\u00a0mm did not have an ABG (0\u00a0dB). The remaining 18 ears showed an average ABG at 500, 1000, and 2000\u00a0Hz (AvABG\n                      <jats:sub>500\u20132000<\/jats:sub>\n                      ) ranging from 3.3 to 27.0\u00a0dB (mean, 11.6 \u00b1 5.7\u00a0dB). The analysis of the relationship between the dehiscence size and AvABG\n                      <jats:sub>500\u20132000<\/jats:sub>\n                      revealed a correlation of\n                      <jats:italic>R<\/jats:italic>\n                      2 = 0.828 (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; 0.001, quadratic fit) and\n                      <jats:italic>R<\/jats:italic>\n                      2 = 0.780 (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; 0.001, linear fit). Therefore, the larger the dehiscence, the larger the ABG at lower frequencies on pure\u2010tone audiometry.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSIONS<\/jats:title>\n                    <jats:p>In SSCD patients, an ABG is consistently shown at the low frequency when the dehiscence is larger than 3\u00a0mm. The size of the average ABG correlates with the size of the dehiscence. These findings highlight the effect of the dehiscence size on conductive hearing loss in SSCD and contribute to a better understanding of the symptomatology of patients with SSCD.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.otohns.2009.08.029","type":"journal-article","created":{"date-parts":[[2009,11,1]],"date-time":"2009-11-01T04:11:31Z","timestamp":1257048691000},"page":"689-694","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["The Relationship Between the Air\u2010Bone Gap and the Size of Superior Semicircular Canal Dehiscence"],"prefix":"10.1002","volume":"141","author":[{"given":"Heng\u2010Wai","family":"Yuen","sequence":"first","affiliation":[{"name":"Ear Science Institute Australia Ear Sciences Centre School of Surgery University of Western Australia Nedlands Western Australia Australia"},{"name":"Department of Otolaryngology\u2010Head and Neck Surgery Sir Charles Gairdner Hospital Nedlands 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