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Bilateral Vestibulopathy: What Can the Video Head Impulse Test Tell Us?
Indexado
WoS WOS:001474717500001
Scopus SCOPUS_ID:105003497535
DOI 10.3390/AUDIOLRES15020020
Año 2025
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Bilateral vestibulopathy (BV) is a known cause of chronic vestibular syndrome. With the video head impulse test (VHIT), we can now evaluate all six semicircular canals independently and establish BV subgroups based on canal gain patterns. Background/objectives: To assess canal gain patterns for BV with VHIT, and evaluate subgroups with regard to sex, age, and hearing loss. Methods: A retrospective chart review was performed of all patients who underwent a VHIT between January 2021 and July 2024. Patients with decreased lateral canal gains, bilaterally, were included. Results of canal gains, VHIT patterns, audiometry, and videonystagmography (VNG) results were reviewed. Results: 101 cases were included. Patients were 75.5 +/- 13.1 years old and 64.4% were women. Various VHIT patterns were observed; the most frequent being decreased canal gains across all six canals (44.6%), followed by a mix of canals with decreased gains with no clear pattern (34.7%). Decreased gains limited to the lateral canals were rare. We did not observe any significant difference between subgroups with regard to gender or age. Concomitant hearing loss was common (89.6%). A trend was noted, suggesting that severity of hearing loss increased with the number of affected canals. An abnormal VNG test was common (73.3%). Conclusions: Various patterns of canal gains were observed for patients with BV. Audiometry and VNG should be considered as part of BV studies since abnormalities are commonly found. Further research is needed to understand VHIT patterns in BV.

Revista



Revista ISSN
Audiology Research 2039-4330

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Disciplinas de Investigación



WOS
Audiology & Speech Language Pathology
Scopus
Sin Disciplinas
SciELO
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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

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Autores - Afiliación



Ord. Autor Género Institución - País
1 Waissbluth, Sofia - Pontificia Universidad Católica de Chile - Chile
2 Vinuela, Macarena - Pontificia Universidad Católica de Chile - Chile
3 Escobedo, Emilia - Pontificia Universidad Católica de Chile - Chile
4 Pastore, Antonia - Pontificia Universidad Católica de Chile - Chile
5 Novoa, Ivan - Pontificia Universidad Católica de Chile - Chile

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Financiamiento



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