Effects of Thermal Application on Dysphagia After Stroke The influence of thermal application on dysphagia for liquid boluses after multiple cerebrovascular accidents was measured. A month-long trial of thermal application organized according to the guidelines of a single-subject withdrawal or ABAB design was replicated across 7 male subjects. After baseline testing, 6 subjects were randomly assigned to begin ... Research Article
Research Article  |   December 01, 1991
Effects of Thermal Application on Dysphagia After Stroke
 
Author Affiliations & Notes
  • John C. Rosenbek
    Veterans Administration Medical Center Madison, WI
  • JoAnne Robbins
    Department of Neurology University of Wisconsin Medical School, Madison
  • Barbara Fishback
    Veterans Administration Medical Center Madison, WI
  • Ross L. Levine
    Department of Neurology University of Wisconsin Medical School, Madison
  • Requests for reprints should be sent to John C. Rosenbek, PhD, Chief, Audiology and Speech Pathology, William S. Middleton Memorial Veterans Hospital, 2500 Overlook Terrace, Madison, WI 53705.
Article Information
Speech / Research Articles
Research Article   |   December 01, 1991
Effects of Thermal Application on Dysphagia After Stroke
Journal of Speech, Language, and Hearing Research, December 1991, Vol. 34, 1257-1268. doi:10.1044/jshr.3406.1257
History: Received July 6, 1990 , Accepted March 7, 1991
 
Journal of Speech, Language, and Hearing Research, December 1991, Vol. 34, 1257-1268. doi:10.1044/jshr.3406.1257
History: Received July 6, 1990; Accepted March 7, 1991

The influence of thermal application on dysphagia for liquid boluses after multiple cerebrovascular accidents was measured. A month-long trial of thermal application organized according to the guidelines of a single-subject withdrawal or ABAB design was replicated across 7 male subjects. After baseline testing, 6 subjects were randomly assigned to begin the study with a week-long period of thermal application (B stage), and 1 subject was randomly assigned to begin the study with a week-long period of no thermal application (A stage). Subsequent week-long A and B stages were then alternated until each subject had completed the 4-week interval of this study. Progress testing occurred at the end of each stage and at follow-up testing 1 month after the study’s completion. The influence of thermal application on eight duration and four descriptive measures was determined by three judges using visual inspection of data displays. Two of three judges agreed that 2 of the subjects demonstrated decreased Duration of Stage Transition in the absence of any change in the occurrence of aspiration or penetration. Overall, this study failed to reveal strong evidence that 2 weeks of thermal application alternating with 2 weeks of no thermal application improves dysphagia following multiple strokes. Further replications are needed.

Acknowledgment
This research was supported by U.S. Veterans Administration Rehabilitation Research and Development, Department of Medicine and Surgery.
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