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Related Concept Videos

Equilibrium and Balance01:15

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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...
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The Vestibular System01:29

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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: Jun 23, 2025

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

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Central Vestibular Dysfunction in Head Injury.

Mordechai Kraus1, Fatemeh Hassannia2, Sasan Dabiri2

  • 1Department of Otolaryngology-Head and Neck Surgery, Soroka Medical School, Ben Gurion University of the Negev, Beer Sheva, Southern Israel.

Journal of Otolaryngology - Head & Neck Surgery = Le Journal D'Oto-Rhino-Laryngologie Et De Chirurgie Cervico-Faciale
|June 18, 2024
PubMed
Summary
This summary is machine-generated.

Central vestibular dysfunction (CVD) following head injury is rare, often linked to severe trauma and diffuse axonal injury. Imbalance is a more common symptom than vertigo, and eye movement abnormalities indicate central nervous system injury.

Keywords:
central vestibular disordersdizzinessimbalancetrauma

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Area of Science:

  • Neuroscience
  • Otolaryngology
  • Traumatology

Background:

  • Dizziness is a common sequela of head injury.
  • Distinguishing central vestibular dysfunction (CVD) from peripheral causes is crucial for appropriate management.
  • Previous research has focused more on peripheral vestibular injuries post-trauma.

Purpose of the Study:

  • To characterize the features of central vestibular dysfunction (CVD) in head-injured individuals.
  • To compare the clinical presentation of CVD with peripheral vestibular dysfunction post-trauma.
  • To identify potential indicators of central nervous system injury in post-traumatic dizziness.

Main Methods:

  • Retrospective study of the University Health Network (UHN) Workplace Safety and Insurance Board (WSIB) neurotology database (1998-2018).
  • Inclusion of head-injured workers presenting with features suggestive of CVD.
  • Comprehensive neurotological evaluation including history, examination, audiovestibular testing (VNG, cVEMPs), and neuroimaging (CT, MRI).

Main Results:

  • Out of 4291 head-injured workers with dizziness, 23 were diagnosed with CVD.
  • Imbalance was significantly more prevalent in CVD patients compared to vertigo and headache in peripheral vestibular dysfunction.
  • Atypical positional nystagmus, oculomotor abnormalities, and facial paralysis were more frequent in the CVD group.

Conclusions:

  • Symptomatic post-traumatic central vestibular injury is an uncommon diagnosis.
  • CVD typically follows high-impact trauma, suggesting severe head injury and potential diffuse axonal injury.
  • Persistent imbalance and ataxia are more common symptoms of CVD than vertigo.
  • Abnormalities in eye movements are strong indicators of central nervous system injury, even with normal CT/MRI findings.