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Interface pressure mapping pilot study to select surfaces that effectively redistribute pediatric occipital pressure
Samantha Higer1, Thomas James1
1Department of Mechanical Engineering, Tufts University, 200 College Avenue, Medford, MA, USA.
Journal of Tissue Viability
|October 27, 2015
Summary
An air support surface is the best option for preventing pediatric occipital pressure ulcers, offering the lowest interface pressure and most uniform distribution. This finding aids clinical decisions for selecting appropriate reactive support surfaces for children.
Area of Science:
- Biomedical Engineering
- Pediatric Care
- Material Science
Background:
- Pediatric occipital pressure ulcers pose a clinical challenge.
- Lack of quantitative data hinders selection of effective support surfaces.
- Preventing pressure ulcers is crucial for infant well-being and reducing healthcare costs.
Purpose of the Study:
- To quantitatively evaluate interface pressure and distribution on various support surfaces for pediatric occipital loading.
- To inform clinical decisions regarding the selection of optimal reactive support surfaces.
- To provide data-driven insights for preventing pediatric occipital pressure ulcers.
Main Methods:
- Utilized a validated capacitive pressure mapping system (XSENSOR) for pediatric use.
- Assessed standard pediatric mattresses and four pressure-redistributing surfaces (gel, foam, air, fluidized).
- Conducted a pilot study on 22 healthy children under 6 years old, measuring occipital interface pressure and distribution.
Main Results:
- The pressure mapping system demonstrated high accuracy (0.5-9% error) for pediatric occipital loading.
- Air surfaces exhibited the lowest mean interface pressure (14.2 ± 1.41 mmHg) and peak pressure index.
- Air surfaces provided the most homogenous pressure distribution and largest contact area.
Conclusions:
- Air support surfaces are most effective in redistributing pressure for the pediatric occiput.
- Low interface pressure and homogenous distribution indicate superior envelopment of the occiput.
- Findings support the use of air surfaces to prevent pediatric occipital pressure ulcers.

