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  • Title: Benign Paroxysmal Positional Vertigo in the Elderly: A Single-center Experience.
    Author: Nahm H, Han K, Shin JE, Kim CH.
    Journal: Otol Neurotol; 2019 Dec; 40(10):1359-1362. PubMed ID: 31634274.
    Abstract:
    OBJECTIVES: Dizziness and balance problems are common in the elderly, and benign paroxysmal positional vertigo (BPPV) is one of the most common causes of dizziness. The aim of this study is to investigate the subtype distribution of geriatric BPPV in a single tertiary referral center, and compare the treatment efficacy according to the subtype of BPPV. STUDY DESIGN: Retrospective study. SETTING: Tertiary referral academic center. PATIENTS: The consecutive 316 elderly patients diagnosed with BPPV between March 2013 and March 2019 were included. MAIN OUTCOME MEASURES: Using a head-roll and Dix-Hallpike tests, subtype of BPPV was determined. Once the diagnosis of BPPV was made, patients were treated by its corresponding canalith repositioning maneuver (CRM). RESULTS: Among 316 elderly patients with BPPV, 143 patients (45%) were diagnosed with posterior semicircular canal BPPV, 46 patients (15%) were diagnosed with lateral semicircular canal (LSCC) canalolithiasis, 126 patients (40%) were diagnosed with LSCC cupulolithiasis, and 1 patient (0%) was diagnosed with anterior semicircular canal BPPV. While 66 and 63% of the patients with posterior semicircular canal BPPV and LSCC canalolithiasis recovered after one session of CRM, only 32% of the patients with LSCC cupulolithiasis recovered after one session of CRM. CONCLUSION: The proportion of LSCC cupulolithiasis was higher in the elderly, and treatment efficacy by CRM is lower in LSCC cupulolithiasis than other subtypes of BPPV. High prevalence of LSCC cupulolithiasis may be explained by a delay between onset of BPPV and patient's presentation to the tertiary referral hospital or pathophysiology of ageotropic positional nystagmus other than otoconial attachment on the LSCC cupula in the elderly.
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