{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T13:04:44Z","timestamp":1790082284482,"version":"4.0.1"},"reference-count":35,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2021,9,6]],"date-time":"2021-09-06T00:00:00Z","timestamp":1630886400000},"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":["The Laryngoscope"],"published-print":{"date-parts":[[2022,2]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>Head trauma may cause dislodgement of otoconia and development of benign paroxysmal positional vertigo (BPPV). The risk of developing BPPV is expected to be highest shortly after the trauma, then decrease and approach the risk seen in the general population. The aim of this study was to estimate the risk\u2010time curve of BPPV development after head trauma.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>Prospective observational study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Patients with minimal, mild, or moderate head trauma treated at the Department of Neurosurgery or the Department of Orthopedic Emergency at Oslo University Hospital, were interviewed and examined for BPPV using the Dix\u2010Hallpike and supine roll maneuvers. BPPV was diagnosed according to the International diagnostic criteria of the B\u00e1r\u00e1ny Society. Telephone interviews were conducted at 2, 6, and 12\u2009weeks after the first examination.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Out of 117 patients, 21% developed traumatic BPPV within 3\u2009months after the trauma. The corresponding numbers were 12% with minimal trauma, 24% with mild, and 40% with moderate trauma. The difference in prevalence between the groups was significant (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u2009.018). During the first 4\u2009weeks after the trauma, it was observed 20, 3, 0, and 1 BPPV onsets, respectively. No BPPV cases were seen for the remainder of the 3\u2010month follow\u2010up.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The risk of developing BPPV after minimal\u2010to\u2010moderate head trauma is considerable and related to trauma severity. Most cases occur within few days after the trauma, but any BPPV occurring within the first 2\u2009weeks after head trauma are likely due to the traumatic event.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>\n                      3\n                      <jats:italic>Laryngoscope<\/jats:italic>\n                      , 132:443\u2013448, 2022\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/lary.29851","type":"journal-article","created":{"date-parts":[[2021,9,6]],"date-time":"2021-09-06T10:00:01Z","timestamp":1630922401000},"page":"443-448","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["The Risk of Benign Paroxysmal Positional Vertigo After Head Trauma"],"prefix":"10.1002","volume":"132","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5395-7699","authenticated-orcid":false,"given":"Helene","family":"Andersson","sequence":"first","affiliation":[{"name":"Medical Student at Faculty of Medicine University of Oslo  Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Greg Eigner","family":"Jablonski","sequence":"additional","affiliation":[{"name":"Institute of Clinical Medicine University of Oslo  Oslo Norway"},{"name":"Department of Otorhinolaryngology and Head and Neck Surgery Oslo University Hospital, Rikshospitalet  Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stein Helge Glad","family":"Nordahl","sequence":"additional","affiliation":[{"name":"Norwegian National Advisory Unit on Vestibular Disorders Haukeland University Hospital  Bergen Norway"},{"name":"Department of Clinical Medicine University of Bergen  Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karl","family":"Nordfalk","sequence":"additional","affiliation":[{"name":"Nordfalk ENT Clinic  Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eirik","family":"Helseth","sequence":"additional","affiliation":[{"name":"Institute of Clinical Medicine University of Oslo  Oslo Norway"},{"name":"Department of Neurosurgery Oslo University Hospital  Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4108-5851","authenticated-orcid":false,"given":"Camilla","family":"Martens","sequence":"additional","affiliation":[{"name":"Norwegian National Advisory Unit on Vestibular Disorders Haukeland University Hospital  Bergen Norway"},{"name":"Department of Otorhinolaryngology, Head and Neck Surgery Haukeland University Hospital  Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kjetil","family":"R\u00f8ysland","sequence":"additional","affiliation":[{"name":"Department of Biostatistics University of Oslo  Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8022-9483","authenticated-orcid":false,"given":"Frederik Kragerud","family":"Goplen","sequence":"additional","affiliation":[{"name":"Norwegian National Advisory Unit on Vestibular Disorders Haukeland University Hospital  Bergen Norway"},{"name":"Department of Clinical Medicine University of Bergen  Bergen Norway"},{"name":"Department of Otorhinolaryngology, Head and Neck Surgery Haukeland University Hospital  Bergen 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