Related Experiment Video
Updated: Jun 27, 2026
05:02
Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction
Published on: August 30, 2019
Vestibular implants in bilateral vestibular failure: current evidence and future directions
Angad Vraich1, Michael Bergin2
1Medical Student (Trainee Intern), University of Otago, Christchurch, New Zealand.
The New Zealand Medical Journal
|June 25, 2026
Summary
Vestibular implants show promise for restoring balance in bilateral vestibular failure but are still experimental. Further research and clinical trials are needed to assess their effectiveness and safety before widespread use.
Area of Science:
- Neuroscience
- Biomedical Engineering
- Otolaryngology
Background:
- Bilateral vestibular failure is a rare, disabling condition with limited treatment options.
- Vestibular implants represent a potential neuroprosthetic solution for restoring vestibular function.
Purpose of the Study:
- To review current evidence on vestibular implantation.
- To examine clinical, ethical, and health system implications, including in New Zealand.
Main Methods:
- A narrative review of literature from PubMed, Embase, and Cochrane Library.
- Searches included "vestibular implant", "vestibular neuroprosthesis", and "bilateral vestibular failure" up to June 2025.
- Included English-language human and relevant preclinical studies, synthesizing findings narratively.
Main Results:
- Early studies show vestibular implants can elicit canal-specific reflexes and improve visual acuity and balance in some patients.
- Functional and quality-of-life benefits are inconsistent in small patient groups.
- Surgical risks, such as hearing loss, are a significant concern.
Conclusions:
- Vestibular implants demonstrate proof of concept for partial vestibular function restoration but are experimental.
- Further technological advancements and rigorous clinical trials are necessary for clinical adoption.
- Cost, access, and equity must be considered for public healthcare integration.
More Related Videos
Related Concept Videos
01:29The 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.
01:15Equilibrium 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...