Lying Posture Classification for Pressure Ulcer Prevention

Wai, Aung Phyo; Foo, Siang Fook; Huang, Weimin; Biswas, Jit; Hsia, Chi-Chun; Liou, Koujuch; Yap, Philip

doi:https://doi.org/10.1260/2040-2295.1.2.217

Journal of Healthcare Engineering

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Research Article | Open Access

Volume 1 | Article ID 873050 | https://doi.org/10.1260/2040-2295.1.2.217

Lying Posture Classification for Pressure Ulcer Prevention

Aung Phyo Wai,¹Siang Fook Foo,¹Weimin Huang,¹Jit Biswas,¹Chi-Chun Hsia,²Koujuch Liou,²and Philip Yap³

Abstract

Pressure ulcers are a common problem among patients with limited mobility, such as those bed-bound and wheelchair-bound. Constant and prolonged applied pressure is one of the extrinsic factors contributing to the development of pressure ulcers. Analyzing lying postures together with interface pressure measurements from a pressure sensitive bed helps revealing pressure hot spots that can potentially lead to pressure ulcer development. We propose an intelligent system that features lying posture classification with pressure hot spots identification based on interface pressure measurements to possibly identify potential pressure ulcer risk and to provide effective preventive measures. Experimental outcomes correctly classify different lying postures with an accuracy of up to 93%. The proposed system is expected to assist caregivers to detect risk evidence and to provide timely and appropriate interventions for effective pressure ulcer prevention.

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Copyright © 2010 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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