NDLI: Evaluation of functional deficits and falls risk in the elderly

Content Provider	IEEE Xplore Digital Library
Author	Narayanan, M.R. Scalzi, M.E. Redmond, S.J. Lord, S.R. Celler, B.G. Lovell, N.H.
Copyright Year	2009
Description	Author affiliation: Prince of Wales Medical Research Institute and with the School of Medicine, University of New South Wales (Lord, S.R.) \|\| Biomedical Systems Laboratory, School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney NSW 2052, Australia (Narayanan, M.R.; Celler, B.G.) \|\| Graduate School of Biomedical Engineering, University of New South Wales (Redmond, S.J.; Lovell, N.H.) \|\| Department of Biomedical Engineering, Politecnico di Milano, Milano, Italy (Scalzi, M.E.)
Abstract	Falls in the elderly have a profound impact on their quality of life through injury, increased fear of falling, reduced confidence to perform daily tasks and loss of independence. Falls come at a substantial economic cost. Tools to quantify falls risk and evaluate functional deficits allow interventions to be targeted to those at increased risk of falling and tailored to correct deficits with the aim of reducing falls rate and reducing ones risk of falling. We describe a system to evaluate falls risk and functional deficits in the elderly. The system is based on the evaluation of performance in a simple set of controlled movements known as the directed routine (DR). We present preliminary results of the DR in a cohort of 68 subjects using features extracted from the DR. Linear least-squares models were trained to estimate falls risk, knee-extension strength, proprioception, mediolateral body sway, anteroposterior body sway and contrast sensitivity. The model estimates provided good to fair correlations with (r = 3D0.76 p<0.001), (r = 3D0.65 p<0.001), (r = 3D0.35 p<0.01), (r = 3D0.53 p<0.001), (r = 3D0.48 p<0.001) and (r = 3D0.37 p<0.01) respectively.
Starting Page	6179
Ending Page	6182
File Size	314412
Page Count	4
File Format	PDF
ISBN	9781424432967
ISSN	1557170X
DOI	10.1109/IEMBS.2009.5334506
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Senior citizens Biomedical monitoring Injuries Control systems Aging USA Councils Performance evaluation Costs Feature extraction Testing
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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