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cVEMPs and oVEMPs normative data in Malaysian preschool and primary school-aged children
Siti Aisyah Ahmad1, Nor Haniza Abdul Wahat1, Mohd Normani Zakaria2
1Audiology Program, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, 50300, Kuala Lumpur, Malaysia.
Insights
This study provides normative data for cervical (cVEMPs) and ocular (oVEMPs) vestibular evoked myogenic potentials in Malaysian children aged 5-12. These findings aid in early identification of pediatric vestibular and balance dysfunctions.
Area of Science:
- Pediatric Audiology
- Neuroscience
- Otolaryngology
Background:
- Vestibular assessments are crucial for early detection of balance and vestibular issues in children.
- Cervical (cVEMPs) and ocular (oVEMPs) vestibular evoked myogenic potentials are established methods for evaluating otolith function.
Purpose of the Study:
- To establish normative data for cVEMPs and oVEMPs in Malaysian children.
- To provide a reference for assessing otolith function in pediatric populations.
Main Methods:
- Recruited 33 healthy children aged 5 years 9 months to 12 years 4 months.
- Assessed saccular function using 750 Hz tone burst for cVEMPs.
- Evaluated utricular function using a Brüel & Kjaer Mini-shaker for oVEMPs.
Main Results:
- Mean cVEMP values: P13 latency 12.62±1.38 ms, N23 latency 19.85±1.95 ms, P13-N23 interamplitude 92.47±50.35 μV, asymmetry ratio 14.03±9.75%.
- Mean oVEMP values: N10 latency 9.23±1.07 ms, P15 latency 14.41±1.04 ms, N10-P15 interamplitude 10.32±5.65 μV, asymmetry ratio 15.84±11.49%.
- No significant effect of ear laterality, gender, or age on VEMP parameters was found.
Conclusions:
- The study presents normative data for cVEMPs and oVEMPs in children aged 5-12.
- This data serves as a valuable guide for healthcare professionals in evaluating pediatric saccular and utricular function.
- Facilitates early diagnosis and management of vestibular disorders in children.
Objective:
Vestibular assessments in children are essential for the early identification of vestibular and balance dysfunctions. Vestibular evoked myogenic potentials, cervical (cVEMPs) and ocular (oVEMPs) have been reported to be feasible and effective when assessing otolith function in children. The main aim of the study was to obtain normative data for cVEMPs and oVEMPs from preschool and primary school-aged Malaysian children.
Methods:
A group of 33 healthy children, aged from 5 years 9 months-12 years 4 months (mean ± SD = 8.83 ± 1.92 years), was recruited. Their otolith saccular function was assessed using 750 Hz tone burst for cVEMPs (with ER3A insert phone), while their utricular function was assessed using Brüel & Kjaer Mini-shaker Type 4810 (Naerum, Denmark) for oVEMPs.
Results:
For cVEMPs, the mean value of P13 latency, N23 latency, P13-N23 interamplitude and asymmetry ratio were 12.62 ± 1.38 ms, 19.85 ± 1.95 ms, 92.47 ± 50.35 μV and 14.03 ± 9.75%, respectively. For oVEMPs, the mean value of N10 latency, P15 latency, N10-P15 interamplitude and asymmetry ratio were 9.23 ± 1.07 ms, 14.41 ± 1.04 ms, 10.32 ± 5.65 μV and 15.84 ± 11.49%, respectively. Two-way ANOVA analysis found that ear laterality and gender had no significant effect on all cVEMPs and oVEMPs parameters. No significant correlation was found between age and all VEMPs parameters.
Conclusions:
The normative data for cVEMPs and oVEMPs obtained in this study can be used as a guide by health professionals to assess saccular and utricular functions among children age from 5 to 12 years of age.
