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Linear Vertigo in Benign Paroxysmal Positional Vertigo: Prevalence and Mechanism.

Authors
  • Choi, Jeong-Yoon1, 2
  • Park, Young-Min3
  • Lee, Seung Hoon4
  • Choi, Jieun5
  • Hyun, Seung Won5
  • Song, Jung-Mi6
  • Kim, Hyo-Jung6
  • Oh, Hui Jong7
  • Kim, Ji-Soo8, 9
  • 1 Dizziness Center, Clinical Neuroscience Center, and Department of Neurology, Seoul National University Bundang Hospital, 173-82 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 13620, South Korea. , (North Korea)
  • 2 Department of Neurology, College of Medicine, Seoul National University, Seoul, South Korea. , (North Korea)
  • 3 Department of Neurology, Korea University Anam Hospital, Seoul, South Korea. , (North Korea)
  • 4 Department of Pediatrics, College of Medicine, Seoul National University, Seoul, South Korea. , (North Korea)
  • 5 College of Medicine, Seoul National University, Seoul, South Korea. , (North Korea)
  • 6 Research Administration Team, Seoul National University Bundang Hospital, Seongnam, South Korea. , (North Korea)
  • 7 The MTV (Migraine, Tinnitus, and Vertigo) Clinic, Oh Neurology Center, Daegu, South Korea. , (North Korea)
  • 8 Dizziness Center, Clinical Neuroscience Center, and Department of Neurology, Seoul National University Bundang Hospital, 173-82 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 13620, South Korea. [email protected] , (North Korea)
  • 9 Department of Neurology, College of Medicine, Seoul National University, Seoul, South Korea. [email protected] , (North Korea)
Type
Published Article
Journal
Cerebellum (London, England)
Publication Date
Apr 01, 2021
Volume
20
Issue
2
Pages
160–168
Identifiers
DOI: 10.1007/s12311-020-01196-6
PMID: 33015731
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

This study aimed to determine the prevalence and mechanism of linear vertigo reported by the patients during the attacks of benign paroxysmal positional vertigo (BPPV). We prospectively evaluated the characteristics (rotational vs. linear) of positional vertigo in 70 patients with posterior and horizontal canal BPPV using a questionnaire allowing multiple choices. In patients with linear vertigo, we further assessed the directionality of linear vertigo. We adopted the velocity-storage model to explain the occurrence and direction of linear vertigo in these patients with BPPV. Patients reported only rotational vertigo in 46 (46/70, 65.7%), only linear vertigo in 10 (14.3%), and both rotational and linear vertigo in 14 (20%). The patients experienced fear from rotational vertigo in 54 (54/70, 77.1%) and from linear vertigo in 20 (20/70, 28.6%). The direction of linear vertigo was concordant with the direction of inertial acceleration predicted by the velocity-storage model. Patients with BPPV may experience linear as well as rotational vertigo during the attacks. This linear vertigo may be ascribed to centrally estimated inertial acceleration.

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