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Poststroke Lingual Function and Swallowing Physiology.

Brittany N Krekeler1,2,3, Anna Hopkins1, Melissa Cooke4

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Summary
This summary is machine-generated.

Tongue endurance, not just pressure, is linked to swallowing difficulties after stroke. This finding suggests that assessing tongue endurance may improve clinical evaluations for post-stroke dysphagia.

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Area of Science:

  • Neurology
  • Speech-Language Pathology
  • Swallowing Disorders

Background:

  • Poststroke dysphagia often involves impaired lingual function.
  • The relationship between tongue strength and oral/pharyngeal swallowing deficits requires further definition.

Purpose of the Study:

  • To investigate the association between tongue pressure generative capacity and oropharyngeal swallowing impairments in ischemic stroke survivors.

Main Methods:

  • A cross-sectional study involving 39 ischemic stroke patients.
  • Utilized videofluoroscopic swallowing studies (VFSS) and lingual manometry (Tongueometer, IOPI) to measure tongue pressure, maximum isometric pressure (MIP), and endurance (ISO-M, ISO-T).
  • VFSS data were scored using the Modified Barium Swallow Impairment Profile (MBSImP), with correlations analyzed using Spearman's coefficients.

Main Results:

  • Significant, moderate correlations were found between maximum isometric endurance (ISO-M) and the MBSImP Oral Total score (r = -0.41, p = 0.0082).
  • Specific correlations were observed between ISO-M and MBSImP components for Lip Closure (r = -0.46, p = 0.0026) and Tongue Control (r = -0.48, p = 0.0016).
  • No significant correlations were found for other lingual pressure measures.

Conclusions:

  • Isometric tongue endurance is correlated with physiological measures of oral swallow function in post-stroke patients.
  • Incorporating tongue endurance testing could enhance clinical assessments for this population.
  • Further research is recommended to explore the predictive value of lingual function measures for swallow dysfunction.