Unilateral mimicking bilateral BPPV- a forgotten entity? Characteristics of a large cohort of patients, comparison with posterior canal BPPV and clinical implications

IF 1.4 Q2 OTORHINOLARYNGOLOGY Journal of Otology Pub Date : 2021-10-01 DOI:10.1016/j.joto.2021.06.002
Lea Pollak , Ronit Gilad , Tal Michael
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引用次数: 1

Abstract

Objective

Unilateral mimicking bilateral benign paroxysmal positional vertigo (umb-BPPV) was attributed to inappropriate head positioning during testing of the posterior canal. Despite its inclusion in the Diagnostic criteria for the classification of vestibular disorders of the Bárány Society, the clinical characteristics and treatment responsiveness of this BPPV subtype have not been intensively studied.

Methods

Records of patients with BPPV seen at a single outpatient dizziness clinic during the years 2000–2020 were reviewed. Eighty seven patients with umb-BPPV and 86 random patients with posterior canal BPPV (p-BPPV) were retrieved. Their demographics and BPPV characteristics were analyzed.

Results

Patients' and BPPV characteristics were similar in umb- and p-BPPV except for the prevalence of males in the umb-BPPV group. No differences were found between treatment responsiveness and recurrences in both groups. The recurrence rate of umb-BPPV was not influenced by age, gender, BPPV side, duration of symptoms or treatment responsiveness during the first attack.

Conclusions

In accordance with our hypothesis about mixed canalo- and cupulolithiasis as the underlying mechanism of umb-BPPV, patients did not differ in characteristics and treatment responsiveness from p-BPPV patients. Recognition of umb-BPPV is important since inappropriate treatment can cause an unnecessary delay in therapy success.

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单侧模仿双侧BPPV-一个被遗忘的实体?大队列患者的特点,比较后管BPPV和临床意义
目的:单侧模拟双侧良性阵发性体位性眩晕(拇- bppv)是由于后椎管检查时头部定位不当引起的。尽管它被纳入Bárány学会前庭疾病分类的诊断标准,但这种BPPV亚型的临床特征和治疗反应性尚未得到深入研究。方法回顾2000-2020年在单一门诊头晕门诊就诊的BPPV患者的记录。选取87例拇部BPPV患者和86例随机后管BPPV患者(p-BPPV)。分析其人口统计学特征和BPPV特征。结果除拇指-BPPV组中男性患病率较高外,拇指-BPPV组和p-BPPV组患者的特征与BPPV相似。两组患者的治疗反应性和复发率均无差异。首次发作时,患者的年龄、性别、BPPV的种类、症状持续时间和治疗反应性均不影响其复发率。结论根据我们的假设,混合管和管结石是拇bppv的潜在机制,患者在特征和治疗反应性方面与p-BPPV患者没有差异。识别拇bppv很重要,因为不适当的治疗可能导致治疗成功的不必要延迟。
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来源期刊
Journal of Otology
Journal of Otology Medicine-Otorhinolaryngology
CiteScore
2.70
自引率
0.00%
发文量
461
审稿时长
18 days
期刊介绍: Journal of Otology is an open access, peer-reviewed journal that publishes research findings from disciplines related to both clinical and basic science aspects of auditory and vestibular system and diseases of the ear. This journal welcomes submissions describing original experimental research that may improve our understanding of the mechanisms underlying problems of basic or clinical significance and treatment of patients with disorders of the auditory and vestibular systems. In addition to original papers the journal also offers invited review articles on current topics written by leading experts in the field. The journal is of primary importance for all scientists and practitioners interested in audiology, otology and neurotology, auditory neurosciences and related disciplines. Journal of Otology welcomes contributions from scholars in all countries and regions across the world.
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