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Updated: Jan 6, 2026
Coordinate Mapping of Hyolaryngeal Mechanics in Swallowing
Published on: May 6, 2014
Test-Retest Reliability of Swallowing Outcome Measures in Huntington's Disease
Emma Burnip1,2, Esther Guiu Hernandez1, Paige Thomas1
1Rose Centre for Stroke Recovery and Research, School of Psychology, Speech and Hearing, University of Canterbury, Christchurch, New Zealand.
Background:
Dysphagia in Huntington's disease (HD) has been described using instrumentation. However, no research has evaluated reliability of swallowing measures in this population.
Objectives:
This study evaluated the test-retest reliability of swallowing measures in HD.
Methods:
Ten participants with HD and dysphagia were assessed at three intervals over 1 week. Functional measures of swallowing included the Timed Water Swallow Test (TWST) and Test of Masticating and Swallowing Solids (TOMASS). Swallowing biomechanics were measured using manofluoroscopy and ultrasound.
Results:
Nine participants completed all assessments. Results indicated good to excellent reliability (ICC >0.75) in 5/7 parameters of functional assessments (TWST/TOMASS) and moderate to excellent reliability (ICC >0.5) in 4/6 ultrasound measures. Manometric measures produced poor test-retest reliability (ICC <0.5). Videofluoroscopy measures ranged from poor to moderate reliability (ICC <0.5 to <0.75).
Conclusions:
Swallowing measures showed mixed reliability in HD. This data can guide the selection and interpretation of outcomes in subsequent studies.
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