Lingual pressure as a clinical indicator of swallowing function in Parkinson’s disease

Laura L. Pitts, Sarah Morales, Julie Stierwalt

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Purpose: Swallowing impairment, or dysphagia, is a known contributor to reduced quality of life, pneumonia, and mortality in Parkinson’s disease (PD). However, the contribution of tongue dysfunction, specifically inadequate pressure generation, to dysphagia in PD remains unclear. Our purpose was to determine whether lingual pressures in PD are (a) reduced, (b) reflect medication state, or are (c) consistent with self-reported diet and swallowing function. Method: Twenty-eight persons with idiopathic PD (PwPD) and 28 age- and sex-matched controls completed lingual pressure tasks with the Iowa Oral Performance Instrument. PwPD were tested during practically defined ON and OFF dopaminergic medication states. Participants were also stratified into three sex- and age-matched cohorts (7 men, 5 women): (a) controls, (b) PwPD without self-reported dysphagia symptoms or diet restrictions, and (c) PwPD with self-reported dysphagia symptoms with or without diet restrictions. Results: PwPD exhibited reduced tongue strength and used elevated proportions of tongue strength during swallowing compared with controls (p <.05) without an effect of medication state (p >.05). Reduced tongue strength distinguished PwPD with self-reported dysphagia symptoms from PwPD without reported symptoms or diet restrictions (p =.045) and controls (p =.002). Conclusion: Tongue strength was significantly reduced in PwPD and did not differ by medication state. Tongue strength differentiated between PwPD with and without self-reported swallowing symptoms. Therefore, measures of tongue strength and swallowing pressures may serve as clinical indicators for further dysphagia evaluation and may promote early diagnosis and management of dysphagia in PD.

Original languageEnglish (US)
Pages (from-to)257-265
Number of pages9
JournalJournal of Speech, Language, and Hearing Research
Volume61
Issue number2
DOIs
StatePublished - Feb 1 2018

Fingerprint

Deglutition
Tongue
Parkinson Disease
Deglutition Disorders
Disease
Pressure
human being
Diet
medication
Person
Parkinson's Disease
early diagnosis
Dysphagia
Early Diagnosis
Pneumonia
quality of life
mortality
Quality of Life
Mortality

ASJC Scopus subject areas

  • Language and Linguistics
  • Linguistics and Language
  • Speech and Hearing

Cite this

Lingual pressure as a clinical indicator of swallowing function in Parkinson’s disease. / Pitts, Laura L.; Morales, Sarah; Stierwalt, Julie.

In: Journal of Speech, Language, and Hearing Research, Vol. 61, No. 2, 01.02.2018, p. 257-265.

Research output: Contribution to journalArticle

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