Objective: Highlight the importance of establishing a differential diagnosis to identify and treat multiple origins of dizziness in a patient following traumatic brain injury (TBI).
Patient: 73-year-old man with TBI and temporal bone fracture developed posttraumatic bilateral multiple canal benign paroxysmal positional vertigo (BPPV).
Intervention: Multi-disciplinary diagnostic evaluation and vestibular rehabilitation (VR) treatment focused on canalith repositioning maneuvers (CRMs) and central adaptation.
Main Outcome Measures: Diagnostic imaging, audiometric testing, clinical evaluation including video recordings of patterns of nystagmus, Dizziness Handicap Inventory (DHI).
Results: Systematic clinical examination identified multiple semicircular canal BPPV in addition to a suspected underlying unilateral hypofunction. Treatment focused on the appropriate CRMs and adaptation exercises. DHI scores improved significantly and patient returned to work and recreational activities.
Conclusion: This Clinical Capsule Report highlights the importance of a comprehensive clinical evaluation of the TBI patient with dizziness when making an accurate diagnosis and treatment plan. Due to the complexity of differentiating between multiple canal BPPV in addition to other central and vestibular disorders, it is imperative for the clinician to have a clear understanding of nystagmus patterns for multicanal BPPV as well as other vestibular pathology.
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