A comparison of video head impulse test (vHIT) between patients with peripheral vestibular loss and healthy groups


  • Parangrit K Department of Communication Sciences and Disorders, Mahidol University, Ratchathewi, Bangkok
  • Jariengprasert C Department of Otolaryngology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Ratchathewi, Bangkok
  • Sillabutra J Department of Biostatistics, Faculty of Public Health, Mahidol University, Ratchathewi, Bangkok


healthy group, peripheral vestibular loss group, video head impulse test


Objectives To compare the results of video head impulse testing (vHIT) of patients with peripheral vestibular loss (PVL) and healthy groups and to determine the sensitivity and specificity of vHIT for PVL patients.

Methods A total of 76 subjects participated in the study, 38 in the PVL group and 38 in the healthy group. VHIT was performed on all subjects using ICS impulses in the horizontal, left-anterior, right-posterior, and the right-anterior left-posterior planes, respectively between November 2018 and March 2019.

Results The mean gain in vertical vestibule-ocular reflex (VOR) was significant in both groups with the exception of the right-anterior plane. There were only nonsignificant differences in the mean gain for horizontal VOR and all the means for VOR gain asymmetry (GA). Using abnormal VOR gain and/or abnormal VOR GA, the sensitivity and specificity of vHIT for PVL patients were 55.3%, 84.2%, respectively.

Conclusions VHIT is able to identify significant dysfunction of the vertical semicircular canals (SCCs) in PVL patients. VOR gain and GA can be used to interpret of PVL patients with a high degree of specificity, especially within cases where SCCs dysfunction has caused a reduction in VOR gain. Although vHIT showed relatively low sensitivity, it is adequate for evaluation of PVL patients and should be considered complementary to other vestibular tests.


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How to Cite

K P, C J, J S. A comparison of video head impulse test (vHIT) between patients with peripheral vestibular loss and healthy groups. Chiang Mai Med J. [Internet]. 2021 Oct. 1 [cited 2022 May 25];60(4):427-35. Available from: https://he01.tci-thaijo.org/index.php/CMMJ-MedCMJ/article/view/253915



Original Article