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Development of a Benchtop Model for Evaluating the Compatibility of Wound Dressing Materials with Negative Pressure Wound Therapy Systems

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Support surfaces for treating pressure ulcers.

Elizabeth McInnes¹, Jo C Dumville, Asmara Jammali-Blasi

¹Nursing Research Institute, St Vincent's and Mater Health Sydney ACU, National Centre for Clinical Outcomes Research (NaCCOR), Nursing and Midwifery, Australia, Research Room, Level 5 DeLacy Building, St Vincent's Hospital, Victoria Street, Darlinghurst, New South Wales, Australia, 2010.

The Cochrane Database of Systematic Reviews

|December 14, 2011

Summary

This summary is machine-generated.

Current evidence does not conclusively show one support surface is superior for treating pressure ulcers. More rigorous studies are needed to determine the most effective pressure-relieving devices for wound healing.

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Area of Science:

Wound healing research
Clinical effectiveness of medical devices

Background:

Pressure ulcers require pressure reduction for treatment.
Support surfaces are commonly used to redistribute pressure.
The comparative effectiveness of various support surfaces remains unclear.

Purpose of the Study:

To evaluate the efficacy of pressure-relieving support surfaces in treating existing pressure ulcers.

Main Methods:

Systematic review of randomized controlled trials (RCTs) up to July 2011.
Included studies assessed support surfaces for pressure ulcer treatment with objective wound healing measures.
Data extraction and risk of bias assessment were performed independently.

Main Results:

Eighteen trials involving 1309 participants were identified.
Some trials suggested benefits for air-fluidized and low air loss devices, but results were often inconclusive or not statistically significant.
Methodological limitations, heterogeneity, and poor reporting hindered pooled analysis.

Conclusions:

No definitive evidence supports the superiority of any specific support surface for pressure ulcer treatment.
Significant limitations in study design, reporting, and sample size necessitate further high-quality research.
Improved evidence is required to guide the selection of optimal support surfaces for pressure ulcer management.