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Benign Paroxysmal Positional Vertigo

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2 Key Points Î A primary complaint of dizziness accounts for 5.6 million clinic visits in the United States per year. Î Between 17% and 42% of patients with vertigo ultimately receive a diagnosis of benign paroxysmal positional vertigo (BPPV). Î BPPV can recover spontaneously in approximately 20% of patients by one month of follow-up and up to 50% at three months. Î Patients with BPPV are at increased risk for falls and impairment in the performance of daily activities and adverse effects on individual health-related quality of life and utility measures. Î BPPV is most commonly clinically encountered as one of two variants: • Posterior canal BPPV is more common than horizontal canal BPPV, constituting approximately 85–95% of BPPV cases. • Lateral (horizontal) canal BPPV accounts for between 5% and 15% of BPPV cases.

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