Skin Property Can Predict The Development Of Skin Tears Among Elderly Patients: A Prospective Cohort Study
INTERNATIONAL WOUND JOURNAL(2017)
摘要
The aim of this study was to identify skin properties that may be used to predict the development of a skin tear (ST) among elderly patients. A prospective cohort study was conducted among elderly patients aged 65 and older (N=149) at a long-term medical facility in Japan over an 8-month period. Skin properties at baseline were measured on the forearm using a 20-MHz ultrasound scanner, which measured the thickness of the dermis layer and low-echogenic pixels, and skin blotting method, which evaluated the levels of collagen type IV, matrix metalloproteinase-2 and tumour necrosis factor-alpha. Adjusted hazard ratios (HRs) for the main confounders were obtained using the Cox proportional hazard model. A total of 52 STs were recorded among the 21 patients, resulting in an incidence rate of 1 13/1000 person-days. The predictor of STs was dermis thickness (HR=0 52; 95% confidence interval=0 33-0 81; P-value=0 004). The cut-off point for dermis thickness was 0 80mm (area under the curve=0 77; 95% confidence interval=0 66-0 88; P-value=0 006). Our results suggest that measuring the dermis thickness at baseline is an easy and accurate way to identify a high-risk patient.
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关键词
Aged, Long-term care, Nursing, Traumatic wound, Ultrasound scanner
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