Abstract
Interface pressure is a factor that contributes to the occurrence of pressure injuries. This study aimed to investigate interface pressure at common sites of pressure injury (occipital, gluteal and peritrochanteric areas), to explore the relationships among risk factors, skin condition and interface pressure, and to identify risk factors influencing interface pressure. A total of 100 patients admitted to the intensive care unit were enrolled at a tertiary teaching hospital in Korea. Interface pressure was recorded by a scanning aid device (PalmQ). Patient data regarding age, pulmonary disease, Braden Scale score, body mass index, serum albumin, hemoglobin, mean blood pressure, body temperature, and oxygen saturation were included as risk factors. Data collected from July to September 2016 were analyzed using binary logistic regression. The mean interface pressure of the occipital, gluteal, and right and left peritrochanteric areas were 37.96 (±14.90), 41.15 (±16.04), 53.44 (±24.67), and 54.33 (±22.80) mmHg, respectively. Predictive factors for pressure injuries in the occipital area were age ≥70 years (OR 3.45, 95% confidence interval [CI]: 1.19~9.98), serum albumin deficit (OR 2.88, 95% CI: 1.00~8.26) and body temperature ≥36.5℃ (OR 3.12, 95% CI: 1.17~8.17); age ≥70 years (OR 2.81, 95% CI: 1.10~7.15) in the right peritrochanteric area; and body temperature ≥36.5℃ (OR 2.86, 95% CI: 1.17~6.98) in the left peritrochanteric area. Our findings suggest that old age, hypoalbuminemia, and high body temperature may be contributory factors to increasing interface pressure; therefore, careful assessment and nursing care of these patients are needed to prevent pressure injury. Further studies are needed to establish cutoff values of interface pressure for patients with pressure ulcers.
Published Version
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