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Abstract
| The primary objective of this study was to determine if there is a relationship
between peak seat interface pressure, measured by the Novel Pliance System™,
and the Braden Scale. A relationship between these two could provide evidence
that the Braden Scale is an accurate predictor of peak seat interface pressures in the
elderly. This may provide long-term care facilities an economical predictor of peak
seat interface pressure and potential for ulcer formation. Twenty subjects from a
local skilled nursing facility participated in our study. All subjects were 60 years of
age or older, and could be positioned in a 90/90 degree hip and knee seating position.
Subjects were positioned on a Novel Pliance System™ sensor mat (1024
sensors, 1.5 cm2 sensor area) and pressure was measured for fifteen seconds. The
data obtained resulted in a “pressure map” of the seat interface. Each subject was
scored by the nursing staff using the Braden Scale. The scores from the Braden
Scale were correlated with the peak pressure values using a Pearson product
moment coefficient correlation. Poor correlations were found between the Braden
Scale and peak pressure leading to the conclusion that there may be other factors
that may effect the Braden Scale score other than peak seat interface pressure, such
as moisture level, activity level, nutritional status, sensory perception, and friction
and shear. Only .02-10.11% of the variability of the peak interface seat pressure
was explained by the Braden Scale score. |
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