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Risk Factors for the Occurrence of Benign Paroxysmal Positional Vertigo: A Systematic Review and Meta-Analysis.

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 I 2 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.

SUBMITTER: Chen J

PROVIDER: S-EPMC7324663 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Risk Factors for the Occurrence of Benign Paroxysmal Positional Vertigo: A Systematic Review and Meta-Analysis.

Chen Jinbao J Zhao Weisong W Yue Xuejing X Zhang Ping P

Frontiers in neurology 20200623

<b>Background and Purpose:</b> 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 BPP ...[more]

PMID: 32655479

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Project description:Objective: The objective of our study was to investigate the potential association between the occurrence of benign paroxysmal positional vertigo (BPPV) and saccular dysfunction using cervical vestibular evoked myogenic potentials (cVEMP) testing. Methods: The databases including Pubmed, Embase, and CENTRAL were systemically searched for case-control literatures investigating saccular dysfunction using cVEMP testing in BPPV patients compared with healthy controls. The literatures were published up to 16 April 2019 and were limited to the English language. All statistical processes were carried out using software Review Manager, version 5.3. Subgroup analysis and sensitive analysis were performed simultaneously. Results: Of the 12 case-control studies confirmed for meta-analysis, p13 latency of cVEMP was assessed in 8 studies, n23 latency in 6 studies, amplitude in 5 studies, asymmetry ratio (AR) in 3 studies, proportion of absent response in 9 studies, and abnormal cVEMP in 8 studies. Compared with healthy controls, the p13 mean latency of cVEMP was longer (MD = 0.88, 95% CI = 0.64-1.12, p < 0.00001), the mean amplitude was lower (SMD = -0.60, 95% CI = -0.80 to -0.41, p < 0.00001), and the proportions of absent response (OR = 8.76, 95% CI = 2.28-33.61, p = 0.002), and abnormal cVEMP (OR = 7.47, 95% CI = 4.65-12.01, p < 0.00001) were higher in BPPV patients. But there was no significant difference in the n23 mean latency (MD = 0.37, 95% CI = -0.23-0.98, p = 0.22) and the AR of cVEMP (MD = 3.95, 95% CI = -4.75-12.65, p = 0.37) between BPPV patients and healthy controls. In the sub-group analysis based on age, only the result of the proportion of absent response of cVEMP indicated a significant difference existed (p = 0.002) between the studies with age-matched controls (OR = 2.78, 95% CI = 1.09-7.10, p = 0.03) and the studies without age-matched controls (OR = 53.85, 95% CI = 10.09-287.13, p < 0.00001). In the sub-group analysis of the proportion of abnormal cVEMP according to the diagnostic criteria of abnormal cVEMP, the result indicated no significant difference existed between the four groups (p = 0.61, I 2 = 0%). In the sensitivity analysis, we obtained the consistent results after removing each study sequentially. Conclusion: The meta-analysis reveals that saccular dysfunction may be associated with BPPV occurrence, and neural degeneration in the saccular macula may be a potential pathogenesis for BPPV.

Project description:BackgroundAlthough previous studies have reported general inexperience with the Epley manoeuvre (EM) among general physicians, no report has evaluated the effect of EM on benign paroxysmal positional vertigo (BPPV) in primary care by using point estimates or certainty of evidence. We conducted this systematic review and meta-analysis and clarified the efficacy of EM for BPPV, regardless of primary-care and subspecialty settings.MethodsSystematic review and meta-analysis of randomised sham-controlled trials of EM for the treatment of posterior canal BPPV in primary-care and subspecialty settings. A primary-care setting was defined as a practice setting by general practitioners, primary-care doctors, or family doctors. A systematic search was conducted in January 2022 across databases, including Cochrane Central Resister of Controlled Trial, MEDLINE, Embase, Cumulative Index of Nursing and Allied Health Literature, World Health Organization International Clinical Trials Registry Platform, and ClinicalTrials.gov. Primary outcomes were the disappearance of subjective symptoms (vertigo), negative findings (Dix-Hallpike test), and all adverse events. We evaluated the certainty of evidence using the Grading of Recommendations, Assessment, Development and Evaluation approach.ResultsTwenty-seven randomised controlled trials were identified. In primary-care settings, EM reduced the subjective symptoms [risk ratio (RR), 3.14; 95% confidence interval (CI), 1.96-5.02]; however, there was no applicable article for all adverse events. In the subspeciality setting, EM reduced the subjective symptoms (RR, 2.42; 95% CI, 1.64-3.56), resulting in an increase in negative findings (RR, 1.81; 95% CI, 1.40-2.34). The evidence exhibited uncertainty about the effect of EM on negative findings in primary-care settings and all adverse events in subspecialty settings.ConclusionsRegardless of primary-care and subspecialty settings, EM for BPPV was effective. This study has shown the significance of performing EM for BPPV in primary-care settings. EM for BPPV in a primary-care setting may aid in preventing referrals to higher tertiary care facilities and hospitalisation for follow-up.Trial registrationThe study was registered in protocols.io (PROTOCOL INTEGER ID: 51,464) on July 11, 2021.

Project description:BackgroundBenign paroxysmal positional vertigo is the most common disease in which vertigo is the main clinical manifestation, and it has become a global medical problem, affecting a wide range of areas and seriously affecting the quality of human life.ObjectiveThis article presents an analysis of the current characteristics of BPPV-related research and summarizes the current hot topics and trends, with the goal of inspiring future research into the prevention and treatment of BPPV, thereby improving the differential diagnosis and prevention of peripheral vertigo.MethodsA bibliometric approach was used to collect 1,219 eligible studies on BPPV from four databases-PubMed, Embase, Scopus, and Web of Science-published between 1974 and 2022. The characteristics and status of the accumulated scientific output were processed using R and VOSviewer so that we could visualize any trends or hotspots.ResultsThe results showed a significant increase in the annual number of publications, with an average annual growth rate of 21.58%. A possible reason for the especially pronounced peak in 2021 was an increase in the prevalence of BPPV as a result of COVID-19. The new coronavirus became a focus of research in 2021. A total of 3,876 authors (of whom 1,097 were first authors) published articles in 307 different journals; 15.7% of the articles were published in Acta Oto-Larygologica, Otology and Neurotology, and Frontiers in Neurology. Acta Oto-Laryngologica was well ahead of the other journals in terms of growth rate and number of articles published. American scholars generated the largest number of articles overall, and the USA was involved in the greatest number of international collaborations, followed by Italy and China. The themes of the research centered around three topics, namely the treatment of BPPV, its influencing factors, and diagnosis.ConclusionsThere has been a major increase in BPPV-related research over the last 50 years, leading to an increase in related articles and rapid development of the field. Key directions for future research include the improvement of individualized treatment for residual symptoms after initial treatment of BPPV among the elderly; effective control of comorbidities such as osteoporosis; and secondary inner ear disease, such as Ménière's disease.

Dataset Information

Risk Factors for the Occurrence of Benign Paroxysmal Positional Vertigo: A Systematic Review and Meta-Analysis.

Publications

Risk Factors for the Occurrence of Benign Paroxysmal Positional Vertigo: A Systematic Review and Meta-Analysis.

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