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Related Experiment Videos

Speech prosthesis retention problems in dysarthria: case report.

H A Brand1, T A Matsko, H N Avart

  • 1Moss Rehabilitation Hospital, Philadelphia, PA 19141.

Archives of Physical Medicine and Rehabilitation
|March 1, 1988
PubMed
Summary

Speech prosthesis retention issues in dysarthria can be overcome. A topical anesthetic effectively eliminated retention problems when desensitization failed, improving speech prosthesis use.

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Area of Science:

  • Neurology
  • Speech-Language Pathology
  • Prosthodontics

Background:

  • Dysarthria resulting from palatopharyngeal paralysis presents challenges in prosthesis retention and adaptation.
  • Management of speech prosthesis retention is crucial for improving intelligibility in patients with neurological deficits.

Observation:

  • A 20-year-old female patient with moderate-to-severe dysarthria post-traumatic brain injury experienced significant palatopharyngeal valving disorder.
  • Intraoral speech prosthesis fitting improved speech intelligibility but led to prosthesis retention difficulties due to sensory-perceptual changes.

Findings:

  • Traditional desensitization methods were ineffective in resolving the prosthesis retention problem.
  • Application of a topical anesthetic (Zylocaine Viscous) successfully blocked the sensory feedback loop, resolving retention issues.

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Implications:

  • Topical anesthetics offer a novel therapeutic approach for managing speech prosthesis retention difficulties in dysarthria.
  • This intervention can enhance patient compliance and functional outcomes in individuals with complex neurological communication impairments.