J Korean Acad Nurs.  2012 Oct;42(5):730-737. 10.4040/jkan.2012.42.5.730.

Optimal Time Interval for Position Change for ICU Patients using Foam Mattress Against Pressure Ulcer Risk

• Kim HJ
• Jeong IS

• KMID: 1499500
• DOI: http://doi.org/10.4040/jkan.2012.42.5.730

Abstract

PURPOSE
This study was done to identify the time interval to pressure ulcer and to determine the optimal time interval for position change depending on pressure ulcer risk in patients using foam mattress in intensive care units.
METHODS
The Braden scale score, occurrence of pressure ulcers and position change intervals were assessed with 56 patients admitted to an intensive care unit from April to November, 2011. The time to pressure ulcer occurrence by Braden scale risk group was analyzed with Kaplan-Meier survival analysis and log rank test. Then, the optimal time interval for position change was calculated with ROC curve.
RESULTS
The median time to pressure ulcer occurrence was 5 hours at mild or moderate risk, 3.5 hours at high risk and 3 hours at very high risk on the Braden scale. The optimal time interval for position change was 3 hours at mild and moderate risk, 2 hours at high and very high risk of Braden scale.
CONCLUSION
When foam mattresses are used a slight extension of the time interval for position change can be considered for the patients with mild or moderate pressure ulcer risk but not for patients with high or very high pressure ulcer risk by Braden scale.

Keyword

Pressure ulcer; Patient positioning; Risk assessment; Viscoelastic substances

MeSH Terms

Adult
Aged
*Beds
Body Mass Index
Female
Humans
Intensive Care Units
Kaplan-Meier Estimate
Length of Stay
Male
Middle Aged
Nursing Assessment
Pressure Ulcer/*epidemiology/mortality
ROC Curve
Risk Factors
Time Factors

Figure

• 

  Figure 1 Kaplan-Meier survival curve for pressure ulcer occurrence by pressure ulcer risk group.

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