An Investigation of the Optimal Mattress Internal Air Pressure for Minimising Maximum Interface Pressure in the Lateral Position to Prevent Pressure Ulcers

Research Project

Project/Area Number	25K20673
Research Category	Grant-in-Aid for Early-Career Scientists
Allocation Type	Multi-year Fund
Review Section	Basic Section 58050:Fundamental of nursing-related
Research Institution	Osaka Aoyama University
Principal Investigator	川端崇広大阪青山大学, 看護学部, 助教 (20980155)
Project Period (FY)	2025-04-01 – 2028-03-31
Project Status	Granted (Fiscal Year 2025)
Budget Amount *help	¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000) Fiscal Year 2027: ¥130,000 (Direct Cost: ¥100,000、Indirect Cost: ¥30,000) Fiscal Year 2026: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000) Fiscal Year 2025: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Keywords	せん断応力 / ずれ応力 / 大転子 / elastography
Outline of Research at the Start	寝たきり高齢者を対象として、30度側臥位での褥瘡好発部位（大転子部）の軟部組織近傍に発生するせん断応力、及び阻血性を経時的にelastography（超音波診断装置）を用いて調べることで、側臥位におけるマット内圧と生体力学からみた褥瘡の発生機序の関連性を明らかにする。