How does support surface help reduce the risk of pressure ulcer?
Pressure redistribution can be achieved by reducing pressure by spreading weight more widely.
Pressure redistribution can be achieved by removal of pressure from the affected part of the body or by reducing pressure by spreading weight more widely.
Alternating pressure support surfaces redistribute pressure by cyclically inflating and deflating zones of the surface. As a result they are less reliant than reactive surfaces on the properties. of immersion and envelopment to redistribute pressure. The ideal frequency, duration, amplitude and rate of inflation and deflation have not been determined.
Aims of repositioning:
Reduce or relieve the pressure on the area at risk
Maintain muscle mass & tissue integrity
Ensure adequate blood supply
Regular repositioning prevents pressure ulcers by reducing the duration of pressure and shearing forces.
Encourage adults who have been assessed as being:
At risk of developing a pressure ulcer to change their position frequently and at least every 6 hours.
Pressure ulcer prevention: pressure, shear, friction and microclimate in context. A consensus document. London: Wounds International (2010).
National Clinical Guideline Centre . (2014). Pressure ulcer prevention. The prevention and management of pressure ulcers in primary and secondary care.
Stansby, G., Avital, L., Jones, K., & Marsden, G. (2014). Prevention and management of pressure ulcers in primary and secondary care: summary of NICE guidance. Bmj, 348, g2592.