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Original Articles
- Comparison of Suppression Head Impulse and Conventional Head Impulse Test Protocols
- Kyung Jin Roh, Ju Young Kim, Eun Jin Son
- Res Vestib Sci. 2019;18(4):91-97. Published online December 15, 2019
- DOI: https://doi.org/10.21790/rvs.2019.18.4.91
- 6,188 View
- 166 Download
- 8 Crossref
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Abstract
PDF - Objectives
The head impulse test paradigm (HIMP) assesses semicircular canal function by measuring compensatory saccades during head movements as an indication of an impaired vestibulo-ocular reflex (VOR). The recently introduced suppression head impulse test paradigm (SHIMP) examines anticompensatory saccades after head movements as a measure of intact VOR. Thus, HIMP measures a decrease in vestibular function, whereas SHIMP measures residual function. We evaluated the effectiveness of SHIMP, compared HIMP and SHIMP results in the same subjects, and examined the relationship between the 2 tests.
Methods
HIMP and SHIMP protocols were performed in 73 patients. The patients were instructed to maintain their gaze on a fixed target for the HIMP, or a moving target for the SHIMP during head impulses. The VOR gain and saccade parameters were compared.
Results
HIMP and SHIMP data were obtained for all ears except in 3 patients. The VOR gain with SHIMP was smaller than for HIMP, but showed significant correlation (r=0.8356, p＜0.001) and substantial agreement (k=0.79). However, neither the percentage of saccades (appearance of HIMP compensatory saccades and reduction of SHIMP anticompensatory saccades) nor their amplitudes were correlated between the 2 tests.
Conclusions
The HIMP and SHIMP protocols are valuable tools to evaluate VOR during high-velocity head movements. Our results confirm their agreement as measures of VOR gain during head impulses, but also show that the relationship between compensatory and anticompensatory saccades is not straightforward. Thus, care should be taken during clinical interpretation of either protocol. -
Citations
Citations to this article as recorded by
- Normalization of the Suppression Head Impulse Test (SHIMP) and its correlation with the Head Impulse Test (HIMP) in healthy adults
Suheda Baran, Gulce Kirazli, Pelin Pistav Akmese, Nese Celebisoy, Tayfun Kirazli
Journal of Vestibular Research.2024; 34(1): 15. CrossRef - Test-retest reliability of suppression head impulse paradigm (SHIMP) in healthy individuals
Aishwarya Nagarajan, Shashish Ghimire, Varsha Sam Elizabeth, Sujeet Kumar Sinha
Hearing, Balance and Communication.2023; 21(4): 312. CrossRef - A nystagmus extraction system using artificial intelligence for video-nystagmography
Yerin Lee, Sena Lee, Junghun Han, Young Joon Seo, Sejung Yang
Scientific Reports.2023;[Epub] CrossRef - Efeito da idade no equilíbrio corporal e nos resultados do vídeo teste do impulso cefálico em pacientes com insuficiência cardíaca
Gizele Francisco Ferreira do Nascimento, José Diniz Júnior, Rosiane Viana Zuza Diniz, Miguel Angelo Hyppolito, Erika Barioni Mantello
Audiology - Communication Research.2023;[Epub] CrossRef - Effect of age on body balance and on the results of the video head impulse test in patients with heart failure
Gizele Francisco Ferreira do Nascimento, José Diniz Júnior, Rosiane Viana Zuza Diniz, Miguel Angelo Hyppolito, Erika Barioni Mantello
Audiology - Communication Research.2023;[Epub] CrossRef - Development of An Algorithm for Slippage-Induced Motion Artifacts Reduction in Video-Nystagmography
Yerin Lee, Young Joon Seo, Sejung Yang
Research in Vestibular Science.2022; 21(4): 104. CrossRef - VOR gain of lateral semicircular canal using video head impulse test in acute unilateral vestibular hypofunction: A systematic review
Mohamad Alfarghal, Mohammed Abdullah Algarni, Sujeet Kumar Sinha, Aishwarya Nagarajan
Frontiers in Neurology.2022;[Epub] CrossRef - Evaluation of high frequency horizontal VOR parameters in patients with chronic bilateral and unilateral peripheral vestibulopathy: a preliminary study
Gulce Kirazli, Sevinc Hepkarsi, Tayfun Kirazli
Acta Oto-Laryngologica.2020; 140(12): 1007. CrossRef
- Normalization of the Suppression Head Impulse Test (SHIMP) and its correlation with the Head Impulse Test (HIMP) in healthy adults
- Multicenter Study on the Clinician’s Diagnostic and Therapeutic Approaches for Benign Paroxysmal Positional Vertigo in Korea
- Eun Ju Jeon, Won Ho Chung, Jeong Hwan Choi, Eui Cheol Nam, Hong Ju Park, Jong Dae Lee, Won Sang Lee, Kyu Sung Kim, Eui Kyung Goh, Ja Won Koo, Min Bum Kim, Min Beom Kim, Se Hyung Kim, Young Jin Kim, Chang Hee Kim, Sung Il Nam, Seog Kyun Mun, Ga Young Park, Sang Yoo Park, Shi Nae Park, Chang Hoon Bae, Sung Hyun Boo, Myung Whan Suh, Jae Hyun Seo, Eun Jin Son, Jae Jun Song, Jae Jin Song, Joong Wook Shin, Dae Bo Shim, Seong Ki Ahn, Hye Youn Youm, Shin Young Yoo, Dong Hee Lee, Seung Hwan Lee, Chang Ho Lee, Hyun Seok Lee, Hwan Ho Lee, Hyo Jeong Lee, Yun Hoon Choung, Seung Hyo Choi, Jee Sun Choi, Seok Min Hong, Sung Kwang Hong
- Res Vestib Sci. 2013;12(3):79-92.
- 2,626 View
- 67 Download
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Abstract
PDF
- Background and Objectives: It is necessary to establish the most efficient diagnostic and therapeutic method for benign paroxysmal positional vertigo (BPPV), which is appropriate for Korean healthcare system. We aimed to evaluate current state of Korean clinician’s diagnostic and therapeutic approaches for BPPV. Materials and Methods: A 16-item survey was emailed to the members of dizziness department of Otology Research Interest Group in the Korean Otologic Society (n=68). 43 were returned and analyzed. Results: All respondents (100%) used Dix-Hallpike test as a diagnostic tool for vertical canal-BPPV. Supine roll test was used for diagnosing lateral canal BPPV in nearly all the respondents (97.7%). Epley maneuver was chosen as otolith repositioning maneuver (ORM) for posterior canal BPPV in all respondents and barbecue rotation (BBQ) was used for treating lateral canal BPPV with geotropic nystagmus in 95.3% of respondents. Extreme variation was noted for therapeutic approach of lateral canal BPPV with ageotropic nystagmus BBQ, with 4 kinds of ORM and adjunctive measures to liberate otolith from cupula, while BBQ was again the most commonly used ORM (76.7%). Conclusion: The development of practical and efficient ORM for lateral canal BPPV with ageotropic nystagmus is necessary.
Case Report
- MRI Findings of a Cholesteatomatous Labyrinthine Fistula Showing Abnormal Inner Ear Enhancement
- Yun Ah Park, Do Yang Park, Tae Sub Chung, Hyun Seok Choi, Eun Jin Son
- Res Vestib Sci. 2010;9(4):144-148.
- 2,344 View
- 60 Download
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Abstract
PDF
- A 59-year-old male patient presented with sudden onset of vertigo and hearing loss. Labyrinthitis due to lateral semicircular canal fistula caused by cholesteamatous otitis media was suspected from temporal bone computed tomography (CT) and clinical symptoms. The patient was treated with canal wall down mastoidectomy with removal of the cholesteatoma and lateral semicircular canal occlusion. Preoperative gadolinium-enhanced magnetic resonance imaging (MRI) images of the inner ear revealed increased signal in the cochlea as well as vestibule. Correlation of the MRI findings and the inner ear involvement in labyrinthine fistula is discussed.
Original Article
- Inferior Vestibular Neuritis: Absence of Vestibular Evoked Myogenic Potentials in the Presence of Normal Caloric Responses
- Kyoung Rok Kim, Bo Kyoung Kim, Seong Ah Hong, Ho Young Lim, Eun Jin Son
- Res Vestib Sci. 2010;9(4):139-143.
- 2,452 View
- 28 Download
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Abstract
PDF
- Background and Objectives: To report the clinical features of six patients diagnosed with cases of inferior vestibular neuritis based on abnormal vestibular evoked myogenic potential (VEMP) responses with normal caloric test results. Materials and Methods: We retrospectively reviewed 62 patients presenting with dizziness. All patients underwent a battery of audiovestibular testing, including hearing tests, caloric test and VEMP test. Results: Six patients were diagnosed as inferior vestibular neuritis. All patients presented with acute onset of prolonged vertigo. The pure tone audiograms and caloric test results were normal. VEMP response was absent unilaterally, and normal in the contralateral ear. Conclusion: Inferior vestibular neuritis should be considered in patients presenting with acute vertigo, but normal caloric responses. Comprehensive vestibular testing including VEMP is necessary.
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