一项评估先进支撑面设计中内部气压变化生理影响的随机交叉研究

IF 2.6 3区 医学 Q2 DERMATOLOGY
Silvia Caggiari, Martin Toms, Rehorova Lucie, Zara Evans, Ralph Gordon, Paul Muckelt, Florence Mbithi, Davide Filingeri, Peter R. Worsley
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引用次数: 0

摘要

高规格床垫定期重新分配压力使用交替的空气细胞,卸载组织。本研究旨在评估交替气压梯度对骶骨组织生理的影响。这项随机交叉研究招募了15名健康参与者来测试三种床垫设置(快周期、正常周期和慢周期)。参与者被要求采用仰卧、侧卧和高坐姿(床头40°),同时持续监测经皮组织气体张力和骶骨界面压力。床垫设置和体位的比较显示,不同充气周期速度设置下的骶骨峰值压力指数无统计学差异(p > 0.05)。相比之下,高坐姿的骶部接触面积显著增加(p < 0.05)。在高坐状态下,记录了快速和正常充气循环速度设置下的缺血反应。在缓慢的充气循环速度下,大多数参与者(60%-100%)表现出高水平的灌注。本研究确定了姿势对骶骨界面压力和灌注的主要影响。交替床垫速度影响局部组织灌注,在高速设置下组织氧合变化最大。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Randomised Cross-Over Study to Evaluate the Physiological Effects of Internal Air Pressure Changes in Advanced Support Surface Design

High specification mattresses periodically redistribute pressure using alternating air cells, offloading tissues. This study aimed to evaluate the effects of alternating air pressure gradients on sacral tissue physiology. This randomised cross-over study recruited 15 healthy participants to test the three mattress settings (fast cycle, normal cycle, and slow cycle). Participants were asked to adopt supine, lateral, and high sitting (head of bed at 40°) postures, whilst transcutaneous tissue gas tensions and interface pressures at the sacrum were continuously monitored. Comparison between mattress settings and postures showed no statistical difference (p > 0.05) between peak pressure index values at the sacrum for each air inflation cycle speed setting. By contrast, a significantly higher sacral (p < 0.05) contact area was observed for high sitting. During high sitting, ischemic responses during both fast and normal air inflation cycle speed settings were recorded. During the slow air inflation cycle speed, most participants (60%–100%) showed high levels of perfusion. The present study identified a main effect of posture on interface pressure and perfusion over the sacrum. The alternating mattress speed influenced local tissue perfusion, with the greatest changes in tissue oxygenation occurring in a high-speed setting.

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来源期刊
International Wound Journal
International Wound Journal DERMATOLOGY-SURGERY
CiteScore
4.50
自引率
12.90%
发文量
266
审稿时长
6-12 weeks
期刊介绍: The Editors welcome papers on all aspects of prevention and treatment of wounds and associated conditions in the fields of surgery, dermatology, oncology, nursing, radiotherapy, physical therapy, occupational therapy and podiatry. The Journal accepts papers in the following categories: - Research papers - Review articles - Clinical studies - Letters - News and Views: international perspectives, education initiatives, guidelines and different activities of groups and societies. Calendar of events The Editors are supported by a board of international experts and a panel of reviewers across a range of disciplines and specialties which ensures only the most current and relevant research is published.
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