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Subject Area

Otorhinolaryngology

Article Type

Original Study

Abstract

Objectives To assess the vestibulo-ocular and oculomotor functions in vestibular-migraine (VM) patients in-between and during the attacks using video head-impulse test (vHIT) and oculomotor-function tests. Background Dizziness and migraine are very common complaints. Patients and methods This case–control study included two groups: 1 – control group consisted of 60 normal participants not complaining of any vestibular symptoms. 2 – study group consisted of 30 VM patients, which were subdivided into two subgroups: subgroup 1 was examined in-between attacks (nine patients) and subgroup 2 was examined during the attack (21 patients). The vHIT and oculomotor tests were used to assess both groups. Results Oculomotor abnormalities were reported in 20/30 of VM patients (67%): four (44%) patients in subgroup 1 and 16 (76%) patients in subgroup 2. vHIT abnormalities were reported in 20/30 of patients (67%): three (33%) patients in subgroup 1 and 17 (81%) patients in subgroup 2. In total, 18 patients from subgroup 2 were reevaluated after treatment, 3-month interval, and showed improvement in duration of headache, frequency of attacks, and duration of vertigo. The number of abnormalities in vHIT results decreased after treatment. Conclusion Abnormalities either in oculomotor-function tests or vHIT are common in VM, which were more pronounced during the attacks than in-between the attacks. The high gain was the most frequent vHIT abnormality during the attack, which shows improvement after treatment in more than half of the patients in the current study. vHIT can be used as a monitoring tool during the management of VM patients.

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