Scientific article
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English

Suppression Head Impulse Test (SHIMP) versus Head Impulse Test (HIMP) When Diagnosing Bilateral Vestibulopathy

Published inJournal of clinical medicine, vol. 11, no. 9, 2444
Publication date2022-04-26
First online date2022-04-26
Abstract

The Suppression Head Impulse (SHIMP) test was introduced as an alternative to the Head Impulse Paradigm (HIMP) to overcome challenges in VOR gain calculation due to the interference of covert saccades. The objectives of this study were (1) to determine if SHIMP, compared to HIMP, reduces covert saccades in BV patients and (2) to define the agreement on diagnosing BV between SHIMP and HIMP. First, the number of covert saccades was compared between SHIMP and HIMP. Secondly, VOR gain was compared between SHIMP and HIMP. Lastly, the agreement between SHIMP and HIMP on identifying BV (horizontal VOR gain < 0.6) was evaluated. A total of 98 BV patients were included. To our knowledge, this is the largest study population on SHIMP testing in BV patients. Covert saccades were significantly reduced, and a lower VOR gain was found during SHIMP compared to HIMP (p < 0.001). However, the clinical relevance of these statistically significant differences is small. In 93% of the patients, an agreement was found between the two paradigms regarding the diagnosis of BV, and both paradigms detect BV in the vast majority of patients.

Keywords
  • SHIMP
  • HIMP
  • VHIT
  • Covert saccades
  • Compensatory saccades
  • VOR gain
  • Bilateral vestibulopathy
Citation (ISO format)
VAN DOOREN, Tessa et al. Suppression Head Impulse Test (SHIMP) versus Head Impulse Test (HIMP) When Diagnosing Bilateral Vestibulopathy. In: Journal of clinical medicine, 2022, vol. 11, n° 9, p. 2444. doi: 10.3390/jcm11092444
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Additional URL for this publicationhttps://www.mdpi.com/2077-0383/11/9/2444
Journal ISSN2077-0383
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Creation27/04/2022 07:35:00
First validation27/04/2022 07:35:00
Update time16/03/2023 07:13:21
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