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Equilibrium and Balance

Equilibrium and Balance

The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...

The Vestibular System

The Vestibular System

The vestibular system is a set of inner ear structures that provide a sense of balance and spatial orientation. This system is comprised of structures within the labyrinth of the inner ear, including the cochlea and two otolith organs—the utricle and saccule. The labyrinth also contains three semicircular canals—superior, posterior, and horizontal—that are oriented on different planes.

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Updated: Sep 11, 2025

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

Published on: August 30, 2019

Bilateral vestibular hypofunction in children.

E Loos¹, M Gerdsen², M Hazen³

¹Department of Otorhinolaryngology-Head and Neck Surgery, University Hospitals Leuven, Leuven, Belgium; Department of Neurosciences, Research Group Experimental Oto-Rhino-Laryngology (ExpORL), KU Leuven, University of Leuven, 3000, Leuven, Belgium; Department of Otorhinolaryngology-Head and Neck Surgery, Mental Health and Neuroscience (MHeNS), Faculty of Health Medicine and Life Sciences, Maastricht University Medical Center, Maastricht, the Netherlands.

International Journal of Pediatric Otorhinolaryngology

|August 11, 2025

Summary

This summary is machine-generated.

Bilateral vestibular hypofunction (BVH) affects 23% of children with sensorineural hearing loss, significantly increasing the risk of motor developmental delay. Early vestibular screening is crucial for timely intervention.

Keywords:

Bilateral vestibulopathy Pediatric vestibular screening Vestibular implant

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Area of Science:

Pediatric Neurology
Audiology
Developmental Pediatrics

Background:

Vestibular hypofunction in children can cause frequent falls and motor development delays.
Bilateral vestibular hypofunction (BVH) presents the highest risk for these symptoms.
Future therapies, such as vestibular implants, may help restore vestibular function.

Purpose of the Study:

To determine the prevalence of BVH in pediatric patients.
To identify the causes (etiology) of BVH in this population.
To assess the impact of BVH on motor development and hearing status.

Main Methods:

A multicenter retrospective chart review was conducted.
492 children with sensorineural hearing loss were analyzed.
BVH was defined as at least one bilaterally abnormal vestibular test.

Main Results:

BVH was identified in 23% of screened children.
Syndromic (Usher, CHARGE, Waardenburg) and infectious (CMV, meningitis) causes were associated with higher BVH prevalence.
81% of children with BVH experienced motor developmental delay, rising to 97% when all vestibular tests were abnormal bilaterally.

Conclusions:

Vestibular screening is recommended for children with sensorineural hearing loss due to the high prevalence of BVH.
BVH significantly increases the risk of motor development delay, particularly in severe cases.
Children with BVH may benefit from future interventions like vestibular implants.