Journal
TECHNOLOGY AND HEALTH CARE
Volume 31, Issue 3, Pages 943-954Publisher
IOS PRESS
DOI: 10.3233/THC-220376
Keywords
Pressure ulcer; body posture; positioning bed; body pressure; pressure area
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This study aimed to identify the optimal posture for the prevention of pressure ulcers by analyzing pressure changes applied to the pelvic region. It was found that lateral rotation combined with changes in the angles of the trunk and knees effectively prevented pressure ulcers.
BACKGROUND: An electric bed can easily change posture from a lying position and was effective in preventing pressure ulcer. OBJECTIVE: This study aimed to identify the optimal posture for the prevention of pressure ulcers by analyzing pressure changes applied to the pelvic region. METHODS: Pressure changes resulting from lateral rotations of the body using an electronic adjustable bed and changes in the posture and angles of the trunk and knees were assessed. Twelve conditions with varying angles of the trunk and knees (15-35 degrees in 5 degrees increments) and varying lateral angles (20-35 degrees in 5 degrees increments) were tested. The pressure (maximum and average) and contact area in the pelvic region of 20 individuals without disabilities were calculated. RESULTS: The conditions in which the average and maximum pressures did not increase according to the increase in angle were 25 degrees for the upper body and knee angles and 35 degrees for the side. CONCLUSIONS: The body pressure changed according to the posture rather than according to physical characteristics. Lateral rotation combined with changes in the angles of the trunk and knees effectively prevented pressure ulcers. Changes in the posture at various angles prevented an increased pressure on the body.
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