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2021 Fiscal Year Final Research Report

Development of skin dressing for pressure ulcder prevention to show the tissue damage

Research Project

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Project/Area Number 19K22744
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 58:Society medicine, nursing, and related fields
Research InstitutionThe University of Tokyo

Principal Investigator

Minematsu Takeo  東京大学, 大学院医学系研究科(医学部), 特任准教授 (00398752)

Co-Investigator(Kenkyū-buntansha) 真田 弘美  東京大学, 大学院医学系研究科(医学部), 教授 (50143920)
玉井 奈緒  東京大学, 大学院医学系研究科(医学部), 特任准教授 (80636788)
Project Period (FY) 2019-06-28 – 2022-03-31
Keywords褥瘡 / ATP / DAMPs / スキンブロッティング / 反応性充血 / 紅斑 / 紫斑
Outline of Final Research Achievements

This study aimed to establish the skin blot examination for ATP as a method to identify a precursor condition of pressure injury.
First, we investigated the applicability of ATP for blotting using nitrocellulose and nylon membrane. Nylon membrane showed low background, high adsorbability, and quantitativity in ATP blotting. Then, we performed skin blotting by nylon membrane on the compressed skin of the hyperemia, erythema, and purpura model mice, and measured ATP on the samples. Tissue damage was detected in all models, and detection intensity reflected the severity of skin damage.These results suggested the applicability of ATP examination by skin blotting with nylon membrane for prediction of pressure injuries.

Free Research Field

看護理工学

Academic Significance and Societal Importance of the Research Achievements

褥瘡は、ブレーデンスケール等を用いた発生予測に基づいて予防的ケアが提供されるが、その特異度が低く、過剰なケアを行わなければならないことが問題となっている。本成果は、スキンブロッティングによるATP検査が外力による皮膚組織損傷を鋭敏に同定・評価できることを示すものであり、褥瘡予測の特異度を高めることで、医療資源を必要な患者に集中させ、効果的かつ効率的な褥瘡予防の実現に貢献するものと期待される。

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Published: 2023-01-30  

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