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The Exeter Dysphagia Assessment Technique.

W G Selley1, F C Flack, R E Ellis

  • 1Department of Physics, University of Exeter, United Kingdom.

Dysphagia
|January 1, 1990
PubMed
Summary
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The Exeter Dysphagia Assessment Technique (EDAT) noninvasively records feeding patterns and swallowing sounds. This method aids in diagnosing neurologic dysphagia by identifying distinct differences in normal versus abnormal swallowing patterns.

Area of Science:

  • Neurology
  • Gastroenterology
  • Speech-Language Pathology

Background:

  • Dysphagia, or difficulty swallowing, is a common symptom of neurologic disorders.
  • Accurate diagnosis of dysphagia is crucial for effective patient management and treatment.
  • Existing diagnostic methods may be invasive or lack detailed physiological data.

Purpose of the Study:

  • To introduce and validate the Exeter Dysphagia Assessment Technique (EDAT) for assessing swallowing function.
  • To compare EDAT findings in normal subjects across a wide age range with those of patients with neurologic dysphagia.
  • To determine the utility of EDAT in diagnosing and localizing the cause of dysphagia.

Main Methods:

  • The Exeter Dysphagia Assessment Technique (EDAT) utilizes noninvasive equipment to simultaneously record feeding respiratory patterns, oral transit time, and swallow sounds.

Related Experiment Videos

  • Testing was conducted bedside using a fruit-flavored drink.
  • EDAT findings were collected from normal subjects (ages 2-90) and patients with dysphagia of neurologic origin.

    • Main Results:

    • The feeding respiratory pattern matures during adolescence and remains consistent thereafter in normal individuals.
    • Significant and distinct differences were observed between the recordings of normal and dysphagic subjects.
    • EDAT charts and timings allowed for accurate identification of sensory, motor, and functional deficits contributing to dysphagia.

    Conclusions:

    • The Exeter Dysphagia Assessment Technique (EDAT) is a reliable, noninvasive tool for assessing swallowing function.
    • EDAT can differentiate between normal and abnormal swallowing patterns, aiding in the diagnosis of neurologic dysphagia.
    • The technique provides valuable insights into the origin of sensory deficits and the underlying causes of dysphagia.