2012 Fiscal Year Final Research Report
Laryngeal Closure in Swallowing of Healthy Elderly and Dysphagic patients. Kinematic Analysis Using 320-Row Area Detector CT
| Project/Area Number |
23800064
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Single-year Grants |
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| Research Field |
Rehabilitation science/Welfare engineering
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| Research Institution | Fujita Health University |
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Principal Investigator |
INAMOTO Yoko 藤田保健衛生大学, 医療科学部, 講師 (70612547)
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| Project Period (FY) |
2011 – 2012
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| Keywords | 摂食・嚥下 / 評価 / 喉頭閉鎖 / 誤嚥 / 320 列 Area Detector CT |
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| Research Abstract |
We observed the laryngeal closure during swallowing using 320 Area Detector CT ofhealthy elderly and examined the effect of age on the movements involved inswallowing. Swallowing of dysphagic patients were also observed and thepathological conditions underlying disabilities were analyzed. Elderly showed alonger swallowing duration with longer pharyngeal constriction. It probably derivesfrom a compensation of weaker pharyngeal constriction with aging. Some dysphagicpatients showed aspiration during or after swallowing. It was found that a delayedonset of laryngeal closure caused the aspiration. Our results promoted theunderstanding of dynamic mechanisms of laryngeal closure during swallowing, whichhave not been thoroughly identified. In the next step, understanding of mechanismsof swallowing disorders and building of swallowing exercises are expected.
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[Presentation] Mendelsohn Maneuver and Super-supraglottic swallow:Kinematic analysis using 3D dynamic computed tomography2013
Author(s)
Inamoto Y, Saitoh E, Shibata S, Aoyagi Y, Kagaya H, Ota K, Itoh Y, Okada T, Fujii N, Katada K, Palmer JB
Organizer
21th Dysphagia Research Society Annual Meeting
Place of Presentation
Seattle, USA
Year and Date
2013-03-15
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[Presentation] Effects of mendelsohn maneuver on the swallowing dynamics analyzed by 3D dynamic computedtomography2012
Author(s)
Inamoto Y, Saitoh E, Shibata S, Aoyagi Y, Kagaya H, Ota K, Itoh Y, Okada T, Fujii N, Katada K, Palmer JB.
Organizer
The 1 st KOREA - JAPAN NeuroRehabiliation Conference
Place of Presentation
Korea
Year and Date
2012-03-17
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