Predicting Airway Invasion Using Screening Tools and Laryngeal Kinematics in People with Parkinson's Disease: A Pilot Study.

Journal of Parkinson's Disease
Matthew J Dumican, Christopher R Watts

Abstract

Dysphagia in Parkinson's disease (PD) is a common manifestation, particularly in advanced disease stages. However, the pathophysiology and time course of dysphagia progression remains unclear in non-advanced disease stages (e.g., Hoehn & Yahr stages I-III). Conflicting reports from investigations of the perception of dysphagia in people with PD further complicates our understanding of dysphagia in this population. The objectives of this research were to evaluate the ability of screening tools to detect swallowing impairments and how laryngeal kinematics predict the occurrence of abnormal swallowing events. 14 individuals with non-advanced PD, no previous history of dysphagia diagnosis, and self-reported difficulty swallowing participated. The Swallow Disturbance Questionnaire (SDQ) and 3-oz water swallow test (WSST) were administered, along with a videoflouroscopic swallow study (VFSS). Laryngeal kinematics were represented by laryngeal vestibule closure reaction time (LVrt) and laryngeal vestibule closure duration (LVCd). The Penetration-Aspiration Scale (PAS) was used to quantify airway invasion. A logistic regression indicated a significant model of predicting airway invasion from our predictors (p = 0.003). LVrt and SDQ (p ...Continue Reading

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Citations

Sep 25, 2020·Expert Review of Gastroenterology & Hepatology·Francesco MotoleseMassimo Marano
Jul 28, 2021·Journal of Speech, Language, and Hearing Research : JSLHR·Pooja GandhiCatriona M Steele

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