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Clinical characteristics of persistent postural-perceptual dizziness and its visual subtype in Korean patients: A multicenter cross-sectional study
- Title
- Clinical characteristics of persistent postural-perceptual dizziness and its visual subtype in Korean patients: A multicenter cross-sectional study
- Authors
- Park; Joo Hyun; Nguyen; Thanh Tin; Kim; Sung-Hee; Ji-Yun; Na; Seunghee; Jeon; Eun-Ju; Seo; Ji won; Cho; Chang Gun; Oh; Se-Joon; Choi; Sung-Won; Kwang-Dong; Seo-Young; Ji Eun; Hong; Sung-Kwang; Chung; Won-Ho; Young Sang; Lee; Hwan Ho; An; Yong-Hwi; Han; Kyu-Hee; Hyung; Hyun Ah; Ho Yun; Jong-Dae; Se A; Sun-Young
- Ewha Authors
- 이호윤; 김성희
- SCOPUS Author ID
- 김성희
![scopus](/images/layout/icon2.png)
- Issue Date
- 2024
- Journal Title
- Brain and Behavior
- ISSN
- 2162-3279
- Citation
- Brain and Behavior vol. 14, no. 2
- Keywords
- chronic dizziness; persistent postural-perceptual dizziness; variant; visual subtype
- Publisher
- John Wiley and Sons Ltd
- Indexed
- SCIE; SCOPUS
![scopus](/images/layout/scopus2.gif)
- Document Type
- Article
- Abstract
- Objectives: Persistent postural-perceptual dizziness (PPPD) is a chronic functional vestibular disorder for which the Bárány Society has established diagnostic criteria. This nationwide multicenter study aims to investigate the clinical features of individuals with definite PPPD and clinical variant PPPD who do not fully meet the diagnostic criteria, with a particular focus on visual exaggeration. Methods: Between September 2020 and September 2021, a total of 76 individuals with definite PPPD and 109 individuals with clinical variant PPPD who did not meet all three exacerbating factors outlined in Criterion B were recruited from 18 medical centers in South Korea. The study gathered information on demographic factors, clinical manifestations, balance scales, and personality assessments. Results: Comparative analysis between groups with definite PPPD and clinical variant with visual exacerbation revealed no significant differences in sociodemographic characteristics, clinical course, dizziness impact, and specific precipitants. Only disease duration was significantly longer in definite PPPD compared with variant with visual exacerbation. However, the variant without visual exacerbation displayed significantly reduced rates of panic disorder, diminished space-motion discomfort, lesser impact of dizziness, and decreased prevalence of depression when compared with the definitive PPPD. Conclusion: This is the first comprehensive nationwide study examining clinical features of both definite PPPD patients and its clinical variants, considering visual exacerbating factors. Differences in dizziness and personality traits emerged between definite PPPD and its potential variant without visual issues. Our results highlight the possibility of a distinct clinical variant of PPPD influenced by visual dependency. © 2024 The Authors. Brain and Behavior published by Wiley Periodicals LLC.
- DOI
- 10.1002/brb3.3389
- Appears in Collections:
- 의과대학 > 의학과 > Journal papers
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