Vietnamese Journal of Neurology

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Articles Issue: Vietnamese Journal of Neurology No.40 Nghiên cứu

Prevalence and classification of benign paroxysmal positional vertigo of the horizontal semicircular canal at Military Hospital 175

Published: April 11, 2024
Views: 3
DOI 10.62511/vjn.40.2024.004s

Abstract

Objective: To determine the prevalence of benign paroxysmal positional vertigo (BPPV) in the horizontal semicircular canal and classify the mechanism at Military Hospital 175.
Methods: A cross-sectional study conducted at the Department of Neurology, Military Hospital 175, from March 2022 - September 2023, patients were examined and performed positioning tests on the videonystagmography system. Patients with atypical results were examined with imaging and the HINT test. Patients with BPPV were included in the analysis.
Results: 466 cases were diagnosed with BPPV. 133 patients had horizontal semicircular canal BPPV, accounting for 28.54% of BPPV cases. In the group of 133 patients with horizontal semicircular canal BPPV, 116 cases were due to otoliths in the semicircular canal (canalithiasis), accounting for 87.22%; 14 cases were due to otoliths on the cupula (cupulothiasis), accounting for 10.53%; 3 cases were due to light cupula mechanism, accounting for 2.26%.
Conclusion: The prevalence of horizontal semicircular canal BPPV was 28.54% in BPPV patients, higher than other previous studies in Europe. 87.22% of horizontal semicircular canal BPPV were hii due to stones in the semicircular canal, 10.53% were due to stones in the semicircular canal and 2.26% were due to light cupula mechanism. Performing a positioning head roll test in addition to the Dix-Hallpike test is necessary to avoid missing horizontal semicircular canal BPPV.

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Authors

  • Phan Xuan Uy Hung
  • Doan Van Anh Vu
  • Huynh Thi Nhu Y
  • Huynh Dang Loc
  • Hoang Tien Trong Nghia

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Issue Vietnamese Journal of Neurology No.40
Category Nghiên cứu

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