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  • Title: Does cognitive dysfunction correlate with dizziness severity in patients with vestibular migraine?
    Author: Donaldson LB, Yan F, Liu YF, Nguyen SA, Rizk HG.
    Journal: Am J Otolaryngol; 2021; 42(6):103124. PubMed ID: 34166962.
    Abstract:
    OBJECTIVE: To characterize the relationship between dizziness severity and cognitive dysfunction in vestibular migraine (VM) patients. METHODS: Dizziness Handicap Inventory (DHI) and Cognitive Failures Questionnaire (CFQ) scores were compared pre- and post-treatment in a cohort of definite VM patients who underwent evaluation in a multidisciplinary clinic from 2016 to 2020. RESULTS: 44 patients were included. DHI reduction of 11.96 (SD 11.49) (p < 0.001) from an initial mean of 58.36 (22.05) and CFQ reduction of 4.57 (12.20) (p = 0.017) from an initial mean of 47.66 (19.12) were demonstrated. Both pre- and post-treatment DHI scores correlated with pre- and post-treatment CFQ scores (r = 0.537, p < 0.001 and r = 0.667, p < 0.001, respectively). Change in DHI score correlated with change in CFQ score (r = 0.351, p = 0.019). CONCLUSIONS: Cognitive dysfunction in VM patients is correlated with dizziness severity. The DHI may fail to thoroughly assess cognitive dysfunction in VM patients. Additionally, multidisciplinary treatment of VM reduces both dizziness severity and cognitive dysfunction.
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