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Development of a new software and test setup for analyzing hVOR in very young children by vHIT
- Source :
- Journal of vestibular research : equilibriumorientation. 27(2-3)
- Publication Year :
- 2017
-
Abstract
- Introduction Earlier work revealed that vHIT examination is often difficult to perform on very young children. In particular, the calibration of the system can be difficult, as active cooperation of the patient is required. Additionally, the patient must be able to follow the examiner's instructions, which is challenging for very young children. Therefore, the aim of the present study was to develop and validate a new, software-based approach enabling vHIT testing of young children and infants. Methods and materials Six patients (3 boys and 3 girls) aged 5-36 months were included in a prospective, monocentric study between January 2015 and August 2015.The newly developed intuitive software enabled calibration of the eye position signal with the subjects fixating on animated animal graphics which were projected on a screen. Testing ten healthy adults validated this new calibration and measurement method. After calibration, a vHIT goggle (EyeSeeCam ©) was used to perform head impulses in the horizontal plane while the patient was watching a movie sitting on their parent's lap or in a baby chair. At least 15 impulses to each side were obtained and the occurrence of refixation saccades was analyzed. All tests were performed by one of two experienced examiners. Results The new calibration method and modified test setup provided reproducible results for all patients tested. An increased incidence of artifacts was not observed. In 2 patients, more than one test was needed. None of the included children showed catch-up overt or catch-up covert saccades. There was no gain reduction of more than two standard deviations as compared to the normative results published in the literature on vHIT examinations of children. Conclusion The proposed protocol allows vHIT testing in very young children and infants (aged 5 months to 3 years). The study emphasizes that vHIT is an easy and sensitive screening tool to evaluate vestibular function in children and should be used as the gold standard in pediatric vestibular assessment.
- Subjects :
- Male
Engineering
medicine.medical_specialty
Eye Movements
Software Validation
Video Recording
Audiology
Sitting
Developmental psychology
03 medical and health sciences
0302 clinical medicine
Software
medicine
Saccades
Humans
Prospective Studies
030223 otorhinolaryngology
Head Impulse Test
Protocol (science)
Test setup
Measurement method
business.industry
General Neuroscience
Infant
Gold standard (test)
Reflex, Vestibulo-Ocular
Sensory Systems
Test (assessment)
Eye position
Otorhinolaryngology
Vestibular Diseases
Child, Preschool
Calibration
Female
Neurology (clinical)
business
030217 neurology & neurosurgery
Photic Stimulation
Subjects
Details
- ISSN :
- 18786464
- Volume :
- 27
- Issue :
- 2-3
- Database :
- OpenAIRE
- Journal :
- Journal of vestibular research : equilibriumorientation
- Accession number :
- edsair.doi.dedup.....ae9ff5bbd8b14a89cd03e8cc965fdcbe