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Comparison of computerized rotational impulse test (crHIT) and video head impulse test (vHIT) in all semicircular canals among normal subjects.

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Title: Comparison of computerized rotational impulse test (crHIT) and video head impulse test (vHIT) in all semicircular canals among normal subjects.
Authors: Williams, Erin1,2 (AUTHOR) erin.williams@med.miami.edu, Mochizuki, Fumihiro3 (AUTHOR), Kiderman, Alexander4 (AUTHOR), Furman, Joseph5 (AUTHOR), Hoffer, Michael1,6 (AUTHOR)
Source: Journal of Vestibular Research: Equilibrium & Orientation. Nov2025, Vol. 35 Issue 6, p280-289. 10p.
Subjects: Semicircular canals, Vestibular function tests, Vestibular apparatus
Abstract: Background: The computerized rotational head impulse test (crHIT) employs whole-body impulsive rotations like the angular motion used in the video head impulse test (vHIT) to assess the function of all semicircular canals (SCCs). Objective: This study utilized vertical crHIT and vHIT among healthy subjects to evaluate the effectiveness of these tools in assessing SCC function. Methods: Thirty-five individuals with no history of vestibular disorders or traumatic brain injury were enrolled in this study. Participants underwent vHIT (ICS Impulse Otometrics) and crHIT (Neuro-Otologic Testing Center, Spryson America, Inc.). Results: Mean VOR gain was significantly higher during crHIT compared to vHIT, except for the right horizontal SCC (p < 0.01). Coefficient of variation (CV) for crHIT was smaller than that observed in vHIT across all 6 SCCs, with significant differences in all but the LA and RP SCCs. We also computed lower limits of normal (LLN) for each condition; up to 2.9% of crHIT values fell outside the acceptable LLN compared to up to 37% of vHIT gain values. Average reduced vestibular response (RVR) for crHIT was lower than that observed in vHIT among all semicircular canal pairs and demonstrated less variability for crHIT as compared to vHIT. Conclusions: Overall, these findings support the clinical utility of crHIT for comprehensive SCC function evaluation. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Vestibular Research: Equilibrium & Orientation is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Comparison of computerized rotational impulse test (crHIT) and video head impulse test (vHIT) in all semicircular canals among normal subjects.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Williams%2C+Erin%22&quot;&gt;Williams, Erin&lt;/searchLink&gt;&lt;relatesTo&gt;1,2&lt;/relatesTo&gt; (AUTHOR)&lt;i&gt; erin.williams@med.miami.edu&lt;/i&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Mochizuki%2C+Fumihiro%22&quot;&gt;Mochizuki, Fumihiro&lt;/searchLink&gt;&lt;relatesTo&gt;3&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Kiderman%2C+Alexander%22&quot;&gt;Kiderman, Alexander&lt;/searchLink&gt;&lt;relatesTo&gt;4&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Furman%2C+Joseph%22&quot;&gt;Furman, Joseph&lt;/searchLink&gt;&lt;relatesTo&gt;5&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Hoffer%2C+Michael%22&quot;&gt;Hoffer, Michael&lt;/searchLink&gt;&lt;relatesTo&gt;1,6&lt;/relatesTo&gt; (AUTHOR)
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Journal+of+Vestibular+Research%3A+Equilibrium+%26+Orientation%22&quot;&gt;Journal of Vestibular Research: Equilibrium &amp; Orientation&lt;/searchLink&gt;. Nov2025, Vol. 35 Issue 6, p280-289. 10p.
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  Data: &lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Semicircular+canals%22&quot;&gt;Semicircular canals&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Vestibular+function+tests%22&quot;&gt;Vestibular function tests&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Vestibular+apparatus%22&quot;&gt;Vestibular apparatus&lt;/searchLink&gt;
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Background: The computerized rotational head impulse test (crHIT) employs whole-body impulsive rotations like the angular motion used in the video head impulse test (vHIT) to assess the function of all semicircular canals (SCCs). Objective: This study utilized vertical crHIT and vHIT among healthy subjects to evaluate the effectiveness of these tools in assessing SCC function. Methods: Thirty-five individuals with no history of vestibular disorders or traumatic brain injury were enrolled in this study. Participants underwent vHIT (ICS Impulse Otometrics) and crHIT (Neuro-Otologic Testing Center, Spryson America, Inc.). Results: Mean VOR gain was significantly higher during crHIT compared to vHIT, except for the right horizontal SCC (p &lt; 0.01). Coefficient of variation (CV) for crHIT was smaller than that observed in vHIT across all 6 SCCs, with significant differences in all but the LA and RP SCCs. We also computed lower limits of normal (LLN) for each condition; up to 2.9% of crHIT values fell outside the acceptable LLN compared to up to 37% of vHIT gain values. Average reduced vestibular response (RVR) for crHIT was lower than that observed in vHIT among all semicircular canal pairs and demonstrated less variability for crHIT as compared to vHIT. Conclusions: Overall, these findings support the clinical utility of crHIT for comprehensive SCC function evaluation. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: &lt;i&gt;Copyright of Journal of Vestibular Research: Equilibrium &amp; Orientation is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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        Value: 10.1177/09574271251326054
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        Text: English
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        StartPage: 280
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      – SubjectFull: Semicircular canals
        Type: general
      – SubjectFull: Vestibular function tests
        Type: general
      – SubjectFull: Vestibular apparatus
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      – TitleFull: Comparison of computerized rotational impulse test (crHIT) and video head impulse test (vHIT) in all semicircular canals among normal subjects.
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            NameFull: Williams, Erin
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            NameFull: Mochizuki, Fumihiro
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            NameFull: Kiderman, Alexander
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            – D: 01
              M: 11
              Text: Nov2025
              Type: published
              Y: 2025
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            – TitleFull: Journal of Vestibular Research: Equilibrium & Orientation
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