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Exploring repositioning movements in sitting with 'at risk' groups using accelerometry and interface pressure mapping
May Stinson1, Rachel Ferguson1, Alison Porter-Armstrong1
1Institute of Nursing and Health Research, Ulster University, Jordanstown, Newtownabbey, N. Ireland, BT37 0QB, UK.
Journal of Tissue Viability
|December 23, 2017
Summary
Technology can monitor seated behavior to prevent pressure ulcers. Studies show current repositioning is often ineffective, highlighting the need for technological aids for personalized care and improved patient outcomes.
Area of Science:
- Biomedical Engineering
- Rehabilitation Technology
- Clinical Practice
Background:
- Pressure ulceration presents a significant financial burden and impacts patient quality of life.
- Repositioning is a crucial preventative measure for pressure ulcers, yet its effectiveness is difficult to monitor.
- Current methods for assessing repositioning frequency and quality are inadequate.
Purpose of the Study:
- To evaluate the utility of interface pressure mapping systems and accelerometers for monitoring seated behavior.
- To determine how technology can assist therapists in preventing sitting-acquired pressure ulcers through targeted interventions.
- To enhance clinical practice by accurately monitoring patient repositioning.
Main Methods:
- Review of two research studies involving 'at risk' populations (spinal cord injury, elderly orthopaedic).
- Utilized accelerometry and seated interface pressure measurements to monitor patient movements.
- Analyzed data to assess the effectiveness of repositioning behaviors.
Main Results:
- The majority of individuals did not meet recommended repositioning frequencies or movement magnitudes.
- Performed repositioning maneuvers were frequently ineffective in reducing interface pressures.
- Significant discrepancies exist between recommended and actual patient repositioning behaviors.
Conclusions:
- Technology offers valuable biofeedback for patients, caregivers, and healthcare staff regarding seated behaviors.
- Technological monitoring can inform personalized interventions to minimize the risk of pressure ulcers.
- This data can enhance occupational therapists' clinical decision-making for proactive pressure ulcer prevention.

