Effectiveness of Vestibular Rehabilitation Using the Trang model for Benign Paroxysmal Positional Vertigo on Vertigo Symptoms and Activities of Daily Living
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Abstract
Background: Benign paroxysmal positional vertigo (BPPV) significantly impacts daily activities. Trang hospital developed a comprehensive treatment model called the Trang model, combining assessment, canalith repositioning procedures (CRP), and vestibular rehabilitation therapy (VRT). However, its effectiveness in the Thai population remains understudied.
Objective: To evaluate the effectiveness of the Trang model for BPPV in disease resolution and improvement in activities of daily living (ADLs).
Methods: This retrospective descriptive study included 122 BPPV patients treated at Trang hospital between September 2022 and August 2023. Outcomes were assessed using the visual analog scale (VAS), dizziness handicap inventory (DHI), Dix-Hallpike/roll test, and head impulse test (HIT) before and after treatment. Data were analyzed using Wilcoxon Signed-Ranks and McNemar tests.
Results: Most patients were female (77.90%) and aged 61-80 years. Post-treatment, mean VAS decreased from 6.52±1.61 to 1.37±0.91, and mean DHI from 48.95±22.23 to 2.77±2.91 (p<0.01). Abnormal Dix-Hallpike/roll test and HIT results (79.50% and 81.10% respectively) normalized in all patients after treatment (p<0.01). 95.10% of patients were discharged after 1-3 sessions.
Conclusion: The Trang model demonstrates significant effectiveness in reducing BPPV symptoms and improving ADLs.
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