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The microclimate under dressings applied to intact weight-bearing skin: Infrared thermography studies.
Clinical Biomechanics ( IF 1.8 ) Pub Date : 2020-04-21 , DOI: 10.1016/j.clinbiomech.2020.104994
Golan Amrani 1 , Lea Peko 1 , Oshrit Hoffer 2 , Zehava Ovadia-Blechman 3 , Amit Gefen 1
Affiliation  

BACKGROUND When a patient is lying in a hospital bed (e.g. supine or prone), bodyweight forces distort soft tissues by compression, tension and shear, and may lead to the onset of pressure ulcers in those who are stationary and insensate, especially at their pelvic region. Altered localized microclimate conditions, particularly elevated skin temperatures leading to perspiration and resulting in skin moisture or wetness, are known to further increase the risk for pressure ulcers, which is already high in immobile patients. METHODS We have used infrared thermography to measure local skin temperatures at the buttocks of supine healthy subjects, to quantitatively determine, for the first time in the literature, how skin microclimate conditions associated with a weight-bearing Fowler's position are affected by application of dressings. Our present methodology has been applied to compare a polymeric membrane dressing versus placebo foam, with a no-dressing case used as reference. FINDINGS One hour of lying in a Fowler's position was already enough to cause considerable heat trapping (~3 °C rise) between the weight-bearing body and the support surface. Analyses of normalized local skin temperatures and entropy of the temperature distributions indicated that the polymeric membrane dressing material allowed better and more homogenous clearance of locally accumulated body-heat with respect to simple foam. INTERPRETATION Infrared thermography is suitable for characterizing skin microclimate conditions under different dressings, and, accordingly, is effective in developing and evaluating pressure ulcer prevention and treatment strategies - both of which require adequate skin microclimate.

中文翻译:

敷料下的微气候适用于完整的负重皮肤:红外热成像研究。

背景技术当患者躺在医院病床上(例如仰卧或俯卧)时,体重力通过压缩,拉紧和剪切作用使软组织变形,并可能导致静止不动的人,尤其是骨盆处的压疮发作。地区。局部微气候条件的变化,特别是导致出汗并导致皮肤湿润或潮湿的皮肤温度升高,进一步增加了压疮的风险,而压疮在不动的患者中已经很高。方法我们使用红外热像仪测量仰卧位健康受试者臀部的局部皮肤温度,以定量方法首次确定使用敷料对与负重Fowler位置有关的皮肤微气候状况有何影响,这在文献中尚属首次。我们目前的方法已用于比较聚合物膜敷料和安慰剂泡沫,并以无敷料情况作为参考。发现在福勒的位置躺了一个小时已经足够在承重体和支撑表面之间造成相当大的热量滞留(约3°C升高)。归一化的局部皮肤温度和温度分布的熵的分析表明,相对于简单的泡沫,聚合物膜敷料材料允许更好地和更均匀地清除局部积聚的体热。解释红外热成像技术适合于表征不同敷料下皮肤的微气候状况,因此,
更新日期:2020-04-21
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