Daily Activity Monitoring for Prevention of Pressure Ulcers in Long-Term Wheelchair Users

Arias, Diego E.; Pino, Esteban J.; Aqueveque, Pablo; Curtis, Dorothy

doi:10.1007/978-3-319-26508-7_5

Cited by 4 publications

(1 citation statement)

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“…To this end, several noninvasive sensors are deployed on a patient's wheelchair to capture vital signs, ambient conditions, pressure relief habits, and patient activity providing useful context-aware information for patients, caregivers, and clinical staff without producing discomfort. Our previous work [23][24][25][26][27] presented different stages of the project, from design to preliminary findings. In this paper, we present the final setup, detailed algorithms, and the use of our assistive device to monitor these important variables during daily life.…”

Section: Related Workmentioning

confidence: 99%

Unobtrusive Support System for Prevention of Dangerous Health Conditions in Wheelchair Users

Arias

Pino

Aqueveque

et al. 2016

Mobile Information Systems

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This paper presents an assistive device for wheelchair users with severe disability. It consists of several sensors deployed on a wheelchair, able to sense pressure relief habits, activity level, vital signs, and ambient conditions. A pilot study was conducted to evaluate the potential capabilities of the system and the feasibility of implementing alarms. During a period of two weeks, six full-time wheelchair users were monitored. Results show that the system is able to capture pressure relief patterns and tilt-in-space usage, a mechanism required to avoid pressure ulcers. Data analysis shows that none of the volunteers fully complied with the tilting recommendations. It also shows varied activity levels, both within and between patients, indicating their engagement in daily activities. The system is also able to estimate heart and respiration rate during passive activities (e.g., watching TV and/or resting). Also, high temperatures in summer were monitored while patients were outside, to prevent heatstroke events. All the monitored variables are acquired with unobtrusive sensors, producing no discomfort to the patient and providing valuable information for better care. The final recommendation and alarm system is implemented in a single board computer, to be embedded in the wheelchair.

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Section: Related Workmentioning

confidence: 99%