{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T03:45:22Z","timestamp":1791517522706,"version":"4.3.4"},"reference-count":18,"publisher":"Springer Science and Business Media LLC","issue":"8","license":[{"start":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T00:00:00Z","timestamp":1777939200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T00:00:00Z","timestamp":1777939200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100004156","name":"Mahidol University","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100004156","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Eur Arch Otorhinolaryngol"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To evaluate video head impulse testing (vHIT) outcomes in patients with benign paroxysmal positional vertigo (BPPV) before canalith repositioning maneuver (CRM), immediately after treatment, and 1 week post-treatment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study design<\/jats:title>\n                    <jats:p>Prospective before\u2013after study.<\/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>Of 156 patients with vertigo and positional nystagmus, 63 were diagnosed with BPPV using standard maneuvers; 51 had posterior canal BPPV, 11 had lateral canal BPPV and 1 had anterior canal BPPV. All underwent vHIT to assess vestibulo-ocular reflex (VOR) gain across all 6 semicircular canals and completed the Dizziness Handicap Inventory before and after treatment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Interventions<\/jats:title>\n                    <jats:p>CRMs specific to the affected canal.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Main outcome measures<\/jats:title>\n                    <jats:p>VOR gain and Dizziness Handicap Inventory scores before and after CRM.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>At pre-treatment, 59 patients (93.7%) exhibited VOR gains within normative limits. Only four patients (6.3%) showed decreased VOR gains, all of whom were diagnosed with posterior canal BPPV. VOR gain did not differ significantly across pre-treatment, immediate post-treatment, and 1-week assessments. No corrective saccades were detected.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>vHIT showed no significant post-treatment changes and may have limited incremental value in the routine evaluation of isolated BPPV cases.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00405-026-10263-3","type":"journal-article","created":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T16:13:24Z","timestamp":1777997604000},"page":"5037-5046","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Video head impulse testing before and after canalith repositioning for benign paroxysmal positional vertigo"],"prefix":"10.1007","volume":"283","author":[{"given":"Thanatporn","family":"Vongviriyangkoon","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5872-8625","authenticated-orcid":false,"given":"Siriporn","family":"Limviriyakul","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kanthong","family":"Thongyai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suvajana","family":"Atipas","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sarun","family":"Prakairungthong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kanokrat","family":"Suvarnsit","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,5,5]]},"reference":[{"key":"10263_CR1","doi-asserted-by":"publisher","first-page":"105","DOI":"10.3233\/VES-150553","volume":"25","author":"M von Brevern","year":"2015","unstructured":"von Brevern M, Bertholon P, Brandt T et al (2015) Benign paroxysmal positional vertigo: Diagnostic criteria. 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