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CATEA and Shepherd Center collaborate on an introductory study entitled: “Determination of optimal technique to monitor bed occupancy and body position”

The risk of developing a pressure ulcer is a significant concern for people with spinal cord injury (SCI) and people with impaired mobility. Pressure ulcers occur when the soft tissue (e.g. skin, fat and muscle) is compressed for a certain length of time between the underlying bone and the external support surface (bed or seat surface). Both the amount of pressure and how long the pressure is maintained contribute to the degree of risk in developing a pressure ulcer. Therefore, not only determining the best type of wheelchair cushion and/or bed support surface, but also determining the best turning and pressure relief schedules is important in preventing pressure ulcers. This project addresses the issue of monitoring duration of pressure. The overall goal is to determine the best method to monitor bed occupancy (amount of time spent in bed) and body position (amount of time in any one position of right/left side-lying, stomach-lying or back-lying) remotely. This information tells us how long the areas on the body at risk for pressure ulcer development (like the tailbone, hips, heels, etc) are under load. The position monitors which are currently on the market must be worn on the body. Whereas this type of monitor may be suitable for an individual without a significant mobility impairment, it may interfere with daily activities for someone with SCI. This project examined a method of monitoring position that does not require wearing the device, but instead uses sensors under the mattress. Prototype versions of under-mattress sensors have been developed at the CATEA lab. Initial testing has shown promise with regard to differentiating between side-lying and back-lying.

This study received funding from the Shepherd Center's Crawford Research Institute Intramural Funds. For more information, contact Kim Davis, MSPT.

Contact

Kim Davis, MSPT
Phone: (404) 894-0561
Email: kim_davis@shepherd.org