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  5. 輕度認知障礙及輕度失智症者在雙重任務下之步態分析
 
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輕度認知障礙及輕度失智症者在雙重任務下之步態分析

Other Title
Gait analysis under dual task paradigms in patients with mild cognitive impairment and mild dementia
Type
thesis
Date Issued
2022-06-27
Author(s)
許嘉容
Advisor
陳瑞明
Subjects
系所名稱:醫學科學研究所碩士班
Publisher
醫學科學研究所碩士班
Description
口試委員:胡朝榮 Hu, Chaur-Jong;官怡君 Kuan, Yi-Chun;陳瑞明 Chen, Ruei-Ming
網際網路,開放日期為2022-07-24
Abstract
失智症(Dementia)及其導致的失能對於全世界的老年人口來說是個不可忽視的狀況。以日常生活最常見的行走能力為例,正常的行走需要完整的執行功能及認知功能互相配合,過去研究發現患有輕度認知障礙(Mild cognitive impairment)的老年人有較高的跌倒風險。先前研究也指出,相較於單純行走,在行走時執行雙重任務(dual-task)對於偵測測認知障礙有更高的敏感度。但現有的研究較少討論步態表現(gait performance)和認知及動作雙重任務(cognitive/motor dual-task)之間的關係,且較少資料研究腦部結構與雙重任務步態表現之關係,故本研究的主要目標就是釐清在失智症及輕度認知障礙族群中,步態表現、認知功能、動作雙重任務,及區域性腦部結構病灶之間的關係。
本研究收錄衛福部雙和醫院神經科門診被診斷輕度認知障礙或輕度失智症的個案,經由心理衡鑑評估其認知功能,並分析腦部核磁共振影像,再接受30公尺行走測試輔以穿戴式裝置紀錄步態,並加上不同雙重任務後記錄步態。分析後發現,輕度失智症個案在各項心理測驗的表現都明顯不如輕度認知障礙的個案,而輕度失智症者在行走加上認知雙重任務時有顯著較高的步態變異性(gait variability)。核磁共振影像中較嚴重的白質病變及海馬迴萎縮者在雙重任務下的步態表現顯著較病灶較輕微者差。而在第二次單任務行走測試中,輕度認知功能障礙者的步態表現顯著比第一次單任務表現較佳。經由本研究發現的結果,雙重任務步態表現可以做為輕度認知障礙者的功能退化監測工具,且未來可能可以藉由早期介入輕度認知障礙者的步態治療,延緩行走功能退化的病程。
URI
https://handle.ncl.edu.tw/11296/2uys68
https://203.71.86.71/handle/123456789/10854

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