| Changes of timing variables in swallowing of boluses with different viscosities in patients with dysphagia. | |
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MedLine Citation:
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PMID: 22864016 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE: To evaluate the timing of the swallowing process and the effect of bolus viscosity on swallowing. DESIGN: Prospective observational study. SETTING: General teaching hospital, rehabilitation unit PARTICIPANTS: We enrolled 82 dysphagic patients in a videofluoroscopic swallowing study (VFSS) from Jan 13, 2009 to Oct 22, 2009. Based on VFSS results, we classified patients as "thin fluid-aspirators" (n = 40) or as "non-aspirators" (n = 42). INTERVENTIONS: Swallowing of a 5 mL thick bolus and a 5 mL thin bolus in all patients. MAIN OUTCOME MEASURES: Kinematic analysis of various variables during the swallowing process (pharyngeal phase), including epiglottis contact with the bolus, laryngeal elevation, pharyngeal constriction, and upper esophageal sphincter opening. RESULTS: In both groups, the thin bolus arrived at the vallecular pouch earlier than the thick bolus. During swallowing of the thick bolus, the thin fluid-aspirators had a delayed latency of upper esophageal sphincter opening (LUEO), delayed laryngeal elevation to peak level (LPLE), and significantly longer rise time of laryngeal elevation (LPLE-LLE). CONCLUSIONS: Our results indicate clear differences in the degree of adaptation to bolus viscosity between patients classified as thin fluid-aspirators and as non-aspirators. These differences were mainly in activities of laryngeal elevators rather than pharyngeal constrictors. |
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Authors:
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Sang Il Lee; Jong Yoon Yoo; Minyoung Kim; Ju Seok Ryu |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-8-1 |
Journal Detail:
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Title: Archives of physical medicine and rehabilitation Volume: - ISSN: 1532-821X ISO Abbreviation: Arch Phys Med Rehabil Publication Date: 2012 Aug |
Date Detail:
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Created Date: 2012-8-6 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 2985158R Medline TA: Arch Phys Med Rehabil Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 the American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Rehabilitation Medicine, University of Ulsan College of Medicine. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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