활동수준별 의지발 적용에 따른 절단장애 노인의 보행특성과 사용만족도 비교
A Comparison of Gait Characteristics and User Experienced Satisfaction of Different Categories of Prosthetic Foot on Elderly Transtibial Amputees
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초록
본 연구는 편측 종아리 절단장애 노인에서 세 종류의 의지발을 착용시켜 보행특성과 사용만족도에 미치는 서로 다른 영향을 알아보고자 하였다. 연구 대상자는 65세 이상의 활동 수준이 K-2 이상인 7명의 편측 종아리 절단장애인으로 절단 후 최소 5년 이상 경과되고, 실리콘 라이너를 현가장치로 사용하며, 절단단에 환상통, 신경종 등의 통증 질환이 없는 자로 선정하였다. 보행특성은 3차원 동작분석 시스템(Raptor Digital Realtime system)을 사용하여 분석하였고, 의지 사용만족도 설문지(PEQ, prosthetic evaluation questionnaire)를 사용하여 만족도를 조사하였다. 연구 결과 저활동성 의지발에 비하여 활동성 및 고활동성 의지발을 착용하였을 때, 보행특성이 개선되었고, 사용만족도 점수가 높게 나타났다. 본 연구를 통해 절단장애 노인에서 저활동성 의지발에 비하여 활동성과 고활동성 의지발을 착용하였을 때, 보다 자연스러운 보행을 유도하고 만족도를 증가시킬 수 있다는 임상적 사례를 제시한다.
Abstract
The purpose of this study was to evaluate effects of gait characteristics and usage satisfaction between three types of feet in older unilateral transtibial amputees. Seven unilateral transtibial amputees were participated in this study, they are 65 years(mean), activity level k-2 and over, after amputation at least five years, using silicone liner and no phantom pain or neuroma. Walking characteristics was analyzed by three-dimensional motion analysis system (Raptor Digital Realtime system) and satisfaction was measured by prosthetic evaluation questionnaire (PEQ). Through the result of this study, when wearing high-activity prosthetic foot have been improved on kinematic characteristics then lower-activity prosthetic foot and PEQ scores were higher as well. This study shows that when transtibial amputee in elderly wearing activity and high-activity prosthetic foot compared to lower- activity prosthetic foot leads to a more natural gait and present a clinical practice that can increase satisfaction.
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