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Related Experiment Videos

Laboratory experience with experimental endolymphatic hydrops

J C Andrews1

  • 1Division of Head and Neck Surgery, UCLA School of Medicine, Los Angeles, California 90095-1624, USA.

Otolaryngologic Clinics of North America
|March 7, 1998
PubMed
Summary
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Researchers surgically induced experimental endolymphatic hydrops in guinea pigs, a model for Meniere

Area of Science:

  • Otolaryngology
  • Neuroscience

Background:

  • Meniere's disease is a disorder of the inner ear.
  • Experimental endolymphatic hydrops serves as a histologic correlate for Meniere's disease in animal models.

Purpose of the Study:

  • To describe the surgical methods for creating experimental endolymphatic hydrops in guinea pigs.
  • To highlight the physiological changes associated with hydrops.

Main Methods:

  • Surgical induction of endolymphatic hydrops in guinea pigs.
  • Histologic examination of the inner ear.

Main Results:

  • Successful creation of hydrops in the experimental animal model.
  • Observed alterations in endolymph fluid composition.

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  • Observed alterations in relative endolymph pressure.

    • Conclusions:

    • Experimental endolymphatic hydrops in guinea pigs is a valid model for studying Meniere's disease.
    • Hydrops is associated with changes in inner ear fluid dynamics.
    • Hydrops can lead to auditory and vestibular function deterioration.