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Julie A Y Cichero1

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Summary

Dysphagia management has focused on liquids, neglecting solid food safety. This work proposes integrating food science and clinical methods to assess chewing function for safe eating in individuals with swallowing difficulties.

Keywords:
IDDSI frameworkchewing assessmentdysphagiafood textureswallowing

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Area of Science:

  • Clinical Medicine
  • Food Science
  • Speech-Language Pathology

Background:

  • The field of dysphagia has historically prioritized liquid swallowing safety, overlooking the complexities of solid food ingestion.
  • Safe consumption of solid foods requires adequate chewing, oral control, and cognitive function, areas less established in clinical dysphagia assessment compared to liquid swallowing.
  • Existing knowledge on chewing function is fragmented between medical/allied health and food texture/sensory science domains.

Purpose of the Study:

  • To highlight the critical need for improved assessment of chewing function in individuals with dysphagia.
  • To propose an interdisciplinary approach combining medical and food texture science knowledge to enhance understanding of chewing.
  • To introduce the International Dysphagia Diet Standardisation Initiative (IDDSI) Framework as a tool for standardizing the assessment and management of food textures.

Main Methods:

  • Review of current knowledge on chewing physiology and clinical assessment methods for dysphagia.
  • Exploration of methodologies from food texture research and sensory science relevant to chewing function.
  • Proposal of assessment strategies incorporating the IDDSI Framework for evaluating the safety of different food textures.

Main Results:

  • Current clinical assessments for solid food swallowing safety and texture modification are less established than those for liquid swallowing.
  • The IDDSI Framework provides a standardized language for describing food textures and drink thickness, facilitating coordinated management.
  • Integrating food texture science principles with clinical practice offers a pathway to better assess and manage chewing difficulties.

Conclusions:

  • There is a significant opportunity to advance dysphagia care by bridging the gap between medical and food science research on chewing function.
  • Standardized assessment using frameworks like IDDSI is crucial for ensuring safe and effective management of texture-modified diets.
  • Further research and clinical application integrating these fields will improve patient outcomes for those with chewing and swallowing impairments.