Observational analysis shows improved diagnostic yield in older adults with fall risk, indicating the value of vestibular assessment.
Benign paroxysmal positional vertigo (BPPV) is the most common peripheral vestibular disorder in older adults, affecting up to 50% of octogenarians (von Brevern et al., 2007). It is most often diagnosed using the Hallpike-Dix manoeuvre and treated with repositioning techniques like the Epley manoeuvre (Fife et al., 2008). BPPV significantly raises fall risk (Tinetti & Kumar, 2010). Falls impact the quality of life and independence of older adults; thus, vestibular assessment should be included as part of a comprehensive falls assessment (Montero-Odasso et al., 2022). A 5-year audit was conducted to assess vestibular assessment within a neuro-cardiovascular falls service at a tertiary hospital, focusing on the advantages of multi-canal assessment for improving diagnostic rates. Methods A retrospective audit was conducted of electronic patient records of patients who underwent a nurse-led vestibular assessment over a 5-year period between 2019 and 2024 in a specialist falls service. A total of 632 assessments were identified. Results Two hundred and seventy patients were diagnosed on Dix-Hallpike to have posterior canal BPPV, and 53 patients who proceeded to lateral canal testing following a negative Dix-Hallpike were diagnosed with horizontal canal BPPV, leading to a combined diagnostic yield of 51%. Successful resolution of nystagmus required 2-4 repositioning manoeuvres and a multi-canal diagnostic assessment. The addition of lateral canal testing improved the diagnostic yield by 8.3%, thus supporting its use in patients with negative Dix-Hallpike. Conclusion Given its high prevalence, recurrence, and impact on older adults, BPPV represents a significant public health concern requiring increased awareness and accurate diagnosis. Timely intervention can reduce its effects on mobility, fall risk, and overall well-being in this vulnerable population. Vestibular assessments should incorporate lateral canal testing alongside the Dix-Hallpike manoeuvre to improve diagnostic accuracy; our audit revealed nearly 1 in 10 cases were identified through lateral canal testing alone.
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Byrne et al. (2025) studied this question.
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