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Observing Recovery from Knee-Replacement Surgery by using Wearable Sensors

Summary: Observing Recovery from Knee-Replacement
Surgery by using Wearable Sensors
Louis Atallah , Gareth G. Jones, Raza Ali, Julian J.H. Leong, Benny Lo and Guang-Zhong Yang
Department of Computing, Imperial College London,
London UK, SW7 2AZ,
email: (latallah, smrali, benlo, gzy)@doc.ic.ac.uk
Imperial College NHS Trust, email: Gareth.Jones@imperial.nhs.uk
Department of Surgery and Cancer, Imperial College London, email: j.leong@ic.ac.uk
Abstract--A progressive improvement in gait following knee
arthroplasty surgery can be observed during walking and tran-
sitional activities such as sitting/standing. Accurate assessment
of such changes traditionally requires the use of a gait lab,
which is often impractical, expensive, and labour intensive.
Quantifying gait impairment following knee arthroplasty by
employing wearable sensors allows for continuous monitoring of
recovery. This study employed a recognised protocol of activities
both pre-operatively, and at regular intervals up to twenty-four
weeks post-total knee arthroplasty. The results suggest that a
wearable miniaturised ear-worn sensor is potentially useful in
monitoring post-operative recovery, and in identifying patients


Source: Atallah, Louis - Department of Computing, Imperial College, London


Collections: Computer Technologies and Information Sciences