Telemed J E Health - Low-cost tele-assessment system for home-based evaluation of reaching ability following stroke.


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JECTIVE: Tele-assessment techniques can provide healthcare professionals with easily accessible information regarding patients' clinical progress. Recently, kinematic analysis systems have been used to assess rehabilitative outcomes in stroke patients. Kinematic systems, however, are not compatible with tele-assessment. The objective of our study was to develop a tele-assessment system for acquiring kinematic data of forward reaching movements in stroke patients, with an emphasis on cost-effectiveness, portability, and ease of use.MATERIALS AND METHODS: We selected four healthy control participants and eight hemiplegic stroke patients for our study. The stroke patients were classified as Brunnstrom stage III, stage IV, or stage V. Our tele-assessment system used two three-axes accelerometers, a potentiometer, a multifunctional data acquisition card, and two computers. A standardized kinematic system was applied simultaneously to validate the measurements recorded by our tele-assessment system during five repetitions of forward reaching movements.RESULTS: The correlation coefficients of the reaching displacement, velocity, and acceleration measurements obtained using our tele-assessment system and the standardized kinematic system were 0.956, 0.896, and 0.727, respectively. Differences in the maximum reaching distance and the maximum reaching velocity of forward reaching movements were observed among the study groups. There were no significant differences in the time required to complete the testing session among the study groups.CONCLUSIONS: Our tele-assessment system is valid for the evaluation of upper-extremity reaching ability in stroke patients. Further research is needed to investigate the feasibility of the use of the tele-assessment system in patients' homes.

Resumo Limpo

jectiv teleassess techniqu can provid healthcar profession easili access inform regard patient clinic progress recent kinemat analysi system use assess rehabilit outcom stroke patient kinemat system howev compat teleassess object studi develop teleassess system acquir kinemat data forward reach movement stroke patient emphasi costeffect portabl eas usemateri method select four healthi control particip eight hemipleg stroke patient studi stroke patient classifi brunnstrom stage iii stage iv stage v teleassess system use two threeax acceleromet potentiomet multifunct data acquisit card two comput standard kinemat system appli simultan valid measur record teleassess system five repetit forward reach movementsresult correl coeffici reach displac veloc acceler measur obtain use teleassess system standard kinemat system respect differ maximum reach distanc maximum reach veloc forward reach movement observ among studi group signific differ time requir complet test session among studi groupsconclus teleassess system valid evalu upperextrem reach abil stroke patient research need investig feasibl use teleassess system patient home

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