Dizziness and benign paroxysmal positional vertigo among retirement home residents: a cross-sectional descriptive and interventional study

Rainer Müller, Peter Zangger, Dominik Straumann, Stefan Y Bögli, Rainer Müller, Peter Zangger, Dominik Straumann, Stefan Y Bögli

Abstract

Background: The prevalence of dizziness increases with age. We aimed to determine the point prevalence of dizziness and, in particular, of benign paroxysmal positional vertigo (BPPV) among retirement home residents. Furthermore, we aimed to evaluate the efficacy of a 2-axis turntable based BPPV treatment.

Methods: We contacted all large retirement homes in or around the city of Zurich (Switzerland). 10 retirement homes (with a total of 536 residents) agreed to participate in this study. 83 rejected inquiries by residents led to a potential study population of 453 residents. After a structured interview evaluating the presence and characteristics of dizziness, all willing patients were tested for positional vertigo and nystagmus on a portable and manually operated 2-axis turntable that was transported to the retirement home. Testing consisted of the Dix-Hallpike and supine roll maneuvers to both sides. Participants were immediately treated with the appropriate liberation maneuver whenever BPPV was diagnosed. Otherwise, taking the resident's medical history, a neuro-otological bedside examination, and a review of the available medical documentation was used to identify other causes of dizziness.

Results: Out of the 453 residents, 75 (16.6%; average age: 87.0 years; 68% female) were suffering from dizziness presently or in the recent past and gave their consent to participate in this study. Among the participants tested on the turntable (n = 71), BPPV was present in 11.3% (point prevalence). Time-related properties, triggering factors and qualitative attributes of vertigo or dizziness were not significantly different between the dizzy participants with and those without BPPV. In all BPPV patients, appropriate liberation maneuvers were successful.

Conclusions: BPPV could be demonstrated in about one tenth of retirement home residents with dizziness or recent dizziness. Such point prevalence of BPPV translates to a much higher yearly prevalence if one assumes that BPPV is not present on every day. Our finding suggests that retirement home residents suffering from dizziness should be regularly tested for BPPV and treated with appropriate liberation maneuvers, ideally on turntable to reduce strain.

Trial registration: ClinicalTrials.gov Identifier NCT03643354 .

Keywords: Benign paroxysmal positional vertigo; Dizziness; Epidemiology; Retirement home; vertigo.

Conflict of interest statement

Dominik Straumann is an unpaid consultant of prolim GmbH. The other Authors have no conflicts.

© 2022. The Author(s).

Figures

Fig. 1
Fig. 1
Recruitment Process
Fig. 2
Fig. 2
The “Rotundum” turntable in action
Fig. 3
Fig. 3
Point prevalence and estimated yearly prevalence of BPPV. Panel A shows the number of residents per resident home that were diagnosed with BPPV. The dotted line corresponds to the average. Based on the found BPPV point prevalence of 11.3%, panel B depicts estimated BPPV yearly prevalence as a function of BPPV duration (in days) over the period of 1 year (formula given in Methods)

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