Stage Transition Duration in Patients Poststroke |
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Authors: | Youngsun Kim Gary H McCullough |
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Institution: | (1) School of Hearing, Speech and Language Sciences, College of Health and Human Services, Ohio University, Athens, Ohio;(2) Speech Language Pathology, University Rehab, University of Arkansas Medical School Medical Center, Little Rock, Arkansas, USA;(3) School of Hearing, Speech and Language Sciences, College of Health and Human Services, Ohio University, Grover Center W218, Athens, OH 45701-2979, USA |
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Abstract: | The purpose of this study was to investigate the relationship between prolonged stage transition duration (STD) and aspiration.
STDs and aspiration ratings were made from videofluoroscopic examinations previously obtained for other studies. Three groups
of subjects were examined: (1) 20 stroke patients who aspirated, (2) 31 stroke patients who did not aspirate, and (3) 15 normal
subjects. Aspirators poststroke had the longest STD of the three groups. Furthermore, results indicated that STD correctly
predicted the presence of aspiration 75% of the time and correctly predicted the absence of aspiration in stroke patients
93% of the time. Nonaspirating stroke participants had similar patterns to the normal subjects. Implications for these findings
are discussed. |
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Keywords: | Stage transition duration Deglutition Stroke Aspiration Deglutition disorders |
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