Res Vestib Sci.  2019 Mar;18(1):8-13. 10.21790/rvs.2019.18.1.8.

Analysis of Age-Dependent Normative Values of Suppression Video-Head-Impulse Test in Healthy Korean Subjects

Affiliations
  • 1Department of Otolaryngology-Head and Neck Surgery, Chosun University College of Medicine, Gwangju, Korea. chosi@chosun.ac.kr

Abstract


OBJECTIVES
Suppression head impulse paradigm (SHIMP) in video head impulse test is now newly used to test vestibular function. The aim of this study was to analyze normative values of SHIMP for healthy Korean subjects in each decade of life.
METHODS
SHIMP and HIMP responses were measured with the video head impulse test in 70 healthy subjects. Vestibulo-ocular reflex gain and anticompensatory saccade were analyzed and compared at each decade of life.
RESULTS
All subjects produced anticompensatory saccades in SHIMP. Gain values did not vary significantly with age. Gain values in SHIMP were lower than gain values in HIMP. The gain values of rightward impulse were higher than the gain values of leftward impulse.
CONCLUSIONS
Gain values and anticompensatory saccades in SHIMP were consistently equal in each decade of life. Normative values of SHIMP seems largely unaffected by aging.

Keyword

Video head impulse test; Vestibulo-ocular reflex; Suppression; Saccades; Age

MeSH Terms

Aging
Head
Head Impulse Test
Healthy Volunteers
Reflex, Vestibulo-Ocular
Saccades
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