Dual‐Modal Optical Imaging of Tissue Perfusion in Response to Cooling Stimulation Facilitates Early Detection of Pressure Ulcer

Author:

Zhang Qingdong1,Liu Peng23ORCID,Shao Pengfei1,Sun Mingzhai23,Yao Peng1,Shen Shuwei23,Zhang Yang1,Wu Ming4,Xu Ronald X.123

Affiliation:

1. Department of Precision Machinery and Precision Instrumentation University of Science and Technology of China Hefei China

2. University of Science and Technology of China Hefei China

3. Suzhou Institute for Advanced Research University of Science and Technology of China Suzhou China

4. Department of Rehabilitation, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine University of Science and Technology of China Hefei China

Abstract

ABSTRACTPressure ulcers present a significant human and economic challenge, lacking a reliable method for early detection. To address this, we developed a system capable of early detection by using cooling stimulation and dynamic data acquisition techniques to monitor blood perfusion and skin temperature. The system consists of laser speckle perfusion imaging and thermal imaging. And we performed simulations to demonstrate that the system is capable of detect tissue damage across multiple layers, from superficial to deep. Testing on a rabbit ear model demonstrated that this approach, which combines dynamic perfusion and temperature parameters, effectively distinguishes early pressure ulcer areas from normal skin with a significant p value of 0.0015. This distinction was more precise compared to methods relying solely on static parameters or one parameter. Our study thereby offers a promising advancement in the proactive management and prevention of pressure ulcers.

Funder

National Key Research and Development Program of China

Natural Science Foundation of Jiangsu Province

Publisher

Wiley

Reference42 articles.

1. Preventing Falls in Hospitals: A Toolkit for Improving Quality of Care;Ganz D.;Annals of Internal Medicine,2013

2. A New Era of Pressure Ulcer Accountability in Acute Care

3. Skin Blood Flow Response to 2-Hour Repositioning in Long-term Care Residents

4. Preventing Pressure Ulcers: A Systematic Review

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