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Smith RM, Burgess C, Beattie J, Newdick A, Tahtis V, Sahu B, Golding JF, Marsden J, Seemungal BM. Treating benign paroxysmal positional vertigo in acute traumatic brain injury: a prospective, randomised clinical trial assessing safety, feasibility, and efficacy. BMJ Neurol Open 2024; 6:e000598. [PMID: 38818242 PMCID: PMC11138307 DOI: 10.1136/bmjno-2023-000598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 05/06/2024] [Indexed: 06/01/2024] Open
Abstract
Background Benign paroxysmal positional vertigo (BPPV) affects approximately half of acute, moderate-severe traumatic brain injury (TBI) patients. To date, there have been no rigorous studies of BPPV assessment or treatment in this cohort. We aimed to determine the safety, practicability, and efficacy of therapist-led BPPV management in acute TBI and the feasibility of a larger effectiveness trial. Methods This was a multi-centre, three-arm, parallel-groups, randomised, feasibility trial. Recruitment was via convenience sampling. The main inclusion criteria were age over 18 years and a confirmed, non-penetrating, acute TBI. BPPV-positive patients were randomly allocated to one of three interventions (repositioning manoeuvres, Brandt-Daroff exercises or advice) using minimisation criteria. Outcome assessors were blinded to the intervention. Results Of 2014 patients screened for inclusion, 180 were assessed for BPPV. Of those assessed, 34% (62/180) had BPPV, and 58 patients received an intervention. Therapist-led interventions were delivered safely and accurately according to intervention monitoring criteria. Resolution of BPPV was observed in 35/58 (60%) patients. The resolution rate was highest following repositioning manoeuvres (78%), followed by the advice (53%) and Brandt-Daroff interventions (42%). 10 patients experienced recurrence. This was observed more frequently in those with skull fractures and bilateral or mixed BPPV. Conclusions Overall, the results provide strong evidence for the feasibility of a future trial. Therapist-led management of BPPV in acute TBI was safe and practicable. Repositioning manoeuvres seemingly yielded a superior treatment effect. However, given the high recurrence rate of post-traumatic BPPV, the optimal time to treat according to patients' specific recurrence risk requires further investigation. Trial registration ISRCTN91943864, https://doi.org/10.1186/ISRCTN91943864.
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Affiliation(s)
- Rebecca M Smith
- Centre for Vestibular Neurology, Department of Brain Sciences, Imperial College London, London, UK
| | - Caroline Burgess
- School of Population Health & Environmental Studies, King's College London, London, UK
| | - Jenna Beattie
- Occupational Therapy, Imperial College Healthcare NHS Trust, London, UK
| | - Abby Newdick
- Physiotherapy, St George's Healthcare NHS Trust, London, UK
| | - Vassilios Tahtis
- Occupational Therapy, King's College Hospital NHS Foundation Trust, London, London, UK
| | - Bithi Sahu
- Centre for Vestibular Neurology, Department of Brain Sciences, Imperial College London, London, UK
| | | | - Jonathan Marsden
- School of Health Professions, University of Plymouth, Plymouth, Plymouth, UK
| | - Barry M Seemungal
- Centre for Vestibular Neurology, Department of Brain Sciences, Imperial College London, London, UK
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Rhim G, Kim MJ. Effect of the early diastolic blood pressure response to the head-up tilt test on the recurrence of benign paroxysmal positional vertigo. PLoS One 2024; 19:e0301800. [PMID: 38696405 PMCID: PMC11065201 DOI: 10.1371/journal.pone.0301800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 03/23/2024] [Indexed: 05/04/2024] Open
Abstract
BACKGROUND Otolith organ acts complementarily with the autonomic nervous system to maintain blood pressure. However, the effect of blood pressure variability in the autonomic nervous system on otolith organ has not yet been determined. This study aimed to verify the hypothesis that blood pressure variability in the autonomic nervous system affects the recurrence of benign paroxysmal positional vertigo (BPPV), which is the most common disease of the vestibular organs, by using the head-up tilt test (HUTT). METHODS This study included 432 patients diagnosed with idiopathic BPPV. The follow-up period for all patients was 12 months. Age, sex, hypertension, diabetes and recurrence were analyzed. The HUTT parameters were divided into a group of patients whose average diastolic blood pressure increased in the upright position compared to supine position during the HUTT (DBP1) and a group of patients whose average diastolic blood pressure decreased in the upright position compared to supine position during the HUTT (DBP2). Model selection, general loglinear analysis, and logit loglinear analysis were performed using a hierarchically progressing loglinear analysis. RESULTS In summary, the group with increased average diastolic blood pressure (DBP1) showed a higher tendency for BPPV recurrence compared to the group with decreased diastolic blood pressure (DBP2) in the upright position during the HUTT, although the difference was not statistically significant (p = 0.080). However, in males, the DBP1 group demonstrated a significantly higher recurrence rate of BPPV than the DBP2 group during the HUTT (95% CI, -20.021 to -16.200; p < 0.001). CONCLUSIONS It is presumed that poor autonomic nervous system response through vestibulosympathetic reflex maintains elevated diastolic blood pressure in the upright position during the HUTT. This variability is assumed to affect the recurrence of BPPV.
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Affiliation(s)
- Guil Rhim
- Department of Otorhinolaryngology, One Otorhinolaryngology Clinic, Paju, Republic of Korea
| | - Moon Jung Kim
- Department of Laboratory Medicine, Myunggok Medical Research Center, Konyang University College of Medicine, Daejeon, Republic of Korea
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Song Z, Ding Y, Sim N, Yun HJ, Feng J, Gu P, Geng X. Vestibular function is associated with immune inflammatory response. Rev Neurosci 2024; 35:293-301. [PMID: 38158886 DOI: 10.1515/revneuro-2023-0114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 11/10/2023] [Indexed: 01/03/2024]
Abstract
Association between vestibular function and immune inflammatory response has garnered increasing interest. Immune responses can lead to anatomical or functional alterations of the vestibular system, and inflammatory reactions may impair hearing and balance. Vestibular disorders comprise a variety of conditions, such as vestibular neuritis, benign paroxysmal positional vertigo, Meniere's disease, vestibular migraine, posterior circulation ischemia, and bilateral vestibular disease. Moreover, some patients with autoimmune diseases develop vestibulocochlear symptom. This paper offers an overview of prevalent vestibular diseases and discusses associations between vestibular dysfunction and immune diseases.
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Affiliation(s)
- Zhaohui Song
- Department of Neurology and the Stroke Intervention and Translational Center (SITC), Beijing Luhe Hospital, Capital Medical University, No. 82 Xinhua South Road, 101149, Tongzhou District, Beijing, China
| | - Yuchuan Ding
- Department of Neurosurgery, Wayne State University School of Medicine, 550 E Canfield, 48201, Detroit, MI, USA
| | - Nathan Sim
- Department of Neurosurgery, Wayne State University School of Medicine, 550 E Canfield, 48201, Detroit, MI, USA
| | - Ho Jun Yun
- Department of Neurosurgery, Wayne State University School of Medicine, 550 E Canfield, 48201, Detroit, MI, USA
| | - Jing Feng
- Department of Neurology and the Stroke Intervention and Translational Center (SITC), Beijing Luhe Hospital, Capital Medical University, No. 82 Xinhua South Road, 101149, Tongzhou District, Beijing, China
| | - Pan Gu
- Department of Neurology and the Stroke Intervention and Translational Center (SITC), Beijing Luhe Hospital, Capital Medical University, No. 82 Xinhua South Road, 101149, Tongzhou District, Beijing, China
| | - Xiaokun Geng
- Department of Neurology and the Stroke Intervention and Translational Center (SITC), Beijing Luhe Hospital, Capital Medical University, No. 82 Xinhua South Road, 101149, Tongzhou District, Beijing, China
- Department of Neurosurgery, Wayne State University School of Medicine, 550 E Canfield, 48201, Detroit, MI, USA
- China-America Institute of Neuroscience, Beijing Luhe Hospital, Capital Medical University, No. 82 Xinhua South Road, 101149, Tongzhou District, Beijing, China
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Yu T, Zhang H, Yan YM, Liu YN, Huang XF, Qiao S, Yang Q, Li P, Jiang RC, Ma DC. Correlation of idiopathic benign paroxysmal positional vertigo with cerebral small vessel disease. Am J Emerg Med 2023; 74:140-145. [PMID: 37837822 DOI: 10.1016/j.ajem.2023.09.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/24/2023] [Accepted: 09/17/2023] [Indexed: 10/16/2023] Open
Abstract
BACKGROUND Benign paroxysmal positional vertigo (BPPV) is the most prevalent form of peripheral vertigo, with vascular lesions being one of its suspected causes. The older adults are particularly vulnerable to BPPV. Cerebral small vessel disease (CSVD), on the other hand, is a clinical condition that results from damage of cerebral small vessels. Vascular involvement resulting from age-related risk factors and proinflammatory state may act as the underlying factor linking both BPPV and CSVD. AIM The objective of this study is to explore the potential correlation between BPPV and CSVD by examining whether individuals aged 50 and older with BPPV exhibit a greater burden of CSVD. MATERIALS AND METHODS This retrospective study included patients aged 50 years and older who had been diagnosed with BPPV. A control group consisting of patients diagnosed with idiopathic facial neuritis (IFN) during the same time period was also included. The burden of cerebral white matter hyperintensities (WMHs) was evaluated using the Fazekas scale. An ordinal regression analysis was conducted to investigate the potential correlation between BPPV and WMHs. RESULTS The study included a total of 101 patients diagnosed with BPPV and 116 patients with IFN. Patients with BPPV were found to be significantly more likely (OR = 2.37, 95% CI 1.40-4.03, p = 0.001) to have a higher Fazekas score compared to the control group. Brain infarctions, hypertension, and age were all identified as significant predictors of white matter hyperplasia on MRI, with OR of 9.9 (95% CI 4.21-24.84, P<0.001), 2.86 (95% CI 1.67-5.0, P<0.001), and 1.18 (95% CI 1.13-1.22, P<0.001) respectively. CONCLUSION Our findings suggest that vascular impairment caused by age-related risk factors and proinflammatory status may be contributing factors to the development of BPPV in individuals aged 50 and above, as we observed a correlation between the suffering of BPPV and the severity of WMHs.
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Affiliation(s)
- Ting Yu
- The First School of Clinical Medicine, Shaanxi University of Chinese Medicine, China; Department of Neurology, Affiliated Hospital of Shaanxi University of Chinese Medicine, China
| | - Hui Zhang
- The First School of Clinical Medicine, Shaanxi University of Chinese Medicine, China; Department of Neurology, Affiliated Hospital of Shaanxi University of Chinese Medicine, China
| | - Yong-Mei Yan
- The First School of Clinical Medicine, Shaanxi University of Chinese Medicine, China; Department of Neurology, Affiliated Hospital of Shaanxi University of Chinese Medicine, China
| | - Yan-Ni Liu
- Department of Neurology, Affiliated Hospital of Shaanxi University of Chinese Medicine, China
| | - Xiao-Feng Huang
- Department of Neurology, Affiliated Hospital of Shaanxi University of Chinese Medicine, China
| | - Sen Qiao
- The First School of Clinical Medicine, Shaanxi University of Chinese Medicine, China; Department of Neurology, Affiliated Hospital of Shaanxi University of Chinese Medicine, China
| | - Qi Yang
- Department of Radiology, Affiliated Hospital of Shaanxi University of Chinese Medicine, China
| | - Peng Li
- Department of Radiology, Affiliated Hospital of Shaanxi University of Chinese Medicine, China
| | - Ruo-Chen Jiang
- The First School of Clinical Medicine, Shaanxi University of Chinese Medicine, China
| | - Dai-Chao Ma
- The First School of Clinical Medicine, Shaanxi University of Chinese Medicine, China; Department of Neurology, Affiliated Hospital of Shaanxi University of Chinese Medicine, China.
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Oh EH, Lee JO, Kim HS, Park JY, Choi SY, Choi KD, Kim JS, Choi JH. Gene expression analysis in recurrent benign paroxysmal positional vertigo: a preliminary study. Front Neurol 2023; 14:1223996. [PMID: 37475735 PMCID: PMC10354243 DOI: 10.3389/fneur.2023.1223996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 06/14/2023] [Indexed: 07/22/2023] Open
Abstract
Objectives This study aimed to determine the pathophysiology of recurrent benign paroxysmal positional vertigo (BPPV) in young patients using gene expression profiling combined with bioinformatics analysis. Methods Total RNA was extracted from the whole blood of four young patients with recurrent BPPV and four controls. The differentially expressed genes (DEGs) between the groups were screened using a microarray analysis based on the cutoff criteria of |log2 fold change| > 1 and an adjusted p-value of < 0.05. Functional enrichment analysis of DEGs was performed using Gene Ontology analysis, and the protein-protein interaction (PPI) network was constructed using the Search Tool for the Retrieval of the Interacting Genes database. Results A total of 39 DEGs were detected between the BPPV and control samples, comprising 33 upregulated DEGs and six downregulated DEGs in the BPPV group. Functional enrichment analysis indicated that the upregulated DEGs were significantly enriched in terms related to metabolic processes and the immune system. Two main pathways were extracted from the PPI network: one was associated with oxidative phosphorylation and stress and the other with the adaptive immune system and extracellular matrix degradation. Conclusion The findings of our bioinformatics analysis indicated that oxidative stress or extracellular matrix degradation due to immune-mediated inflammatory responses may contribute to the development of recurrent BPPV in young patients.
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Affiliation(s)
- Eun Hye Oh
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
| | - Jin-Ok Lee
- Department of Health Science and Technology, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Republic of Korea
| | - Hyun Sung Kim
- Department of Neurology, Gyeongsang National University School of Medicine, Gyeongsang National University Changwon Hospital, Changwon, Republic of Korea
| | - Ji-Yun Park
- Department of Neurology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Republic of Korea
| | - Seo Young Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine, Biomedical Research Institute, Busan, Republic of Korea
| | - Kwang-Dong Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine, Biomedical Research Institute, Busan, Republic of Korea
| | - Ji-Soo Kim
- Dizziness Center, Clinical Neuroscience Center, Department of Neurology, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Jae-Hwan Choi
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
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Chen J, Zhao W, Yue X, Zhang P. Risk Factors for the Occurrence of Benign Paroxysmal Positional Vertigo: A Systematic Review and Meta-Analysis. Front Neurol 2020; 11:506. [PMID: 32655479 PMCID: PMC7324663 DOI: 10.3389/fneur.2020.00506] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 05/07/2020] [Indexed: 01/05/2023] Open
Abstract
Background and Purpose: The lifetime prevalence of benign paroxysmal positional vertigo (BPPV) is high, especially in the elderly. Patients with BPPV are more susceptible to ischemic stroke, dementia, and fractures, severely reducing quality of life of patients. Many studies have analyzed risk factors for the occurrence of BPPV. However, the results of these studies are not identical. We performed this meta-analysis to determine potential risk factors associated with the occurrence of BPPV. Methods: PubMed, EMBASE, and the Cochrane Library (January 2000 through March 2020) were systematically searched for eligible studies analyzing risk factors for the occurrence of BPPV. Reference lists of eligible studies were also reviewed. We selected observational studies in English with a control group and sufficient data. Pooled odds ratios (ORs) or the mean differences (MDs) and 95% confidence intervals (CIs) were calculated to measure the impacts of all potential risk factors. Heterogeneity among studies was evaluated using the Q-test and I2 statistics. We used the random-effect model or the fixed-effect model according to the heterogeneity among the included studies. Results: We eventually included 19 studies published between 2006 and 2019, including 2,618 patients with BPPV and 11,668 participants without BPPV in total. In this meta-analysis, the occurrence of BPPV was significantly associated with female gender (OR = 1.18; 95% CI, 1.05–1.32; P = 0.004), serum vitamin D level (MD = −2.12; 95% CI, −3.85 to −0.38; P = 0.02), osteoporosis (OR = 2.49; 95% CI, 1.39–4.46; P = 0.002), migraine (OR = 4.40; 95% CI, 2.67–7.25; P < 0.00001), head trauma (OR = 3.42; 95% CI, 1.21–9.70; P = 0.02), and total cholesterol level (MD = 0.32; 95% CI, 0.02–0.62; P = 0.03). Conclusion: Female gender, vitamin D deficiency, osteoporosis, migraine, head trauma, and high TC level were risk factors for the occurrence of BPPV. However, the effects of other risk factors on BPPV occurrence need further investigations.
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Affiliation(s)
- Jinbao Chen
- Department of Pediatrics, The First Clinic College of Xinxiang Medical University, Xinxiang, China
| | - Weisong Zhao
- Department of Pediatrics, The First Clinic College of Xinxiang Medical University, Xinxiang, China
| | - Xuejing Yue
- School of Basic Medicine, Xinxiang Medical University, Xinxiang, China
| | - Ping Zhang
- Department of Neurology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
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