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Evaluating patient turn effectiveness using turn-assist technologies.

Aleksandra R Budarick1, Christopher Moore1, Steven L Fischer1

  • 1Department of Kinesiology, Faculty of Applied Health Sciences, University of Waterloo, Waterloo, Canada.

Journal of Medical Engineering & Technology
|January 16, 2020
PubMed
Summary
This summary is machine-generated.

Manual patient turning resulted in more consistent and optimal repositioning angles compared to turn-assist surfaces, though interface pressures were similar. Different turn-assist technologies yield varied patient turn angles, requiring careful evaluation before implementation for pressure ulcer prevention.

Keywords:
Medical devicesassistive technologiesinterface pressurenursingpatient safety

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Area of Science:

  • Biomedical Engineering
  • Patient Care Technology
  • Clinical Nursing

Background:

  • Pressure ulcers are a significant complication for bedridden patients, often caused by prolonged pressure on bony prominences.
  • Turn-assist support surfaces aim to mitigate this by repositioning patients and redistributing pressure.
  • Evaluating the efficacy of these technologies against manual turning is crucial for improving patient outcomes.

Purpose of the Study:

  • To compare the benefits of turn-assist technologies versus manual turning in patient repositioning.
  • To assess how different turn-assist functionalities impact patient outcomes, specifically interface pressure and turn quality.
  • To provide evidence-based recommendations for the implementation of turn-assist devices.

Main Methods:

  • Interface pressure (contact area, average, and peak pressure) and patient turn quality (turn angle, repeatability) were measured.
  • Measurements were taken during manual and facilitated turns on two distinct turn-assist hospital beds.
  • Data were collected at initial, maximal inflation (turn-assist), and final patient positions.

Main Results:

  • Manual turning achieved the most repeatable and optimal turn angles, closely approximating the recommended 30°.
  • Interface pressure variations were most notable in the pelvic region across all measurement points.
  • Turn-assist surfaces demonstrated comparable interface pressure outcomes to manual turning, but with less consistent turn angles.

Conclusions:

  • While turn-assist surfaces offer similar interface pressure management to manual turning, manual repositioning yields superior turn angle repeatability and optimality.
  • Different turn-assist technologies result in distinct patient turn angles, highlighting the need for careful examination of specific functionalities.
  • Clinical implementation of turn-assist devices should be preceded by a thorough evaluation of their impact on patient repositioning quality.