Prevention of Pressure Ulcers in Patients at Medium to High Risk of Pressure Ulcers Using the R'GO SOINS Overlay Mattress

Inclusion Criteria: * Patient over 18 years old * Patient with a medium to high risk of developing pressure ulcers (clinical judgment and a score of \[10 to 14\] on the Braden scale (6 (maximum risk) to 23 (no risk)) * Patient without pressure injury on the day of inclusion * Patient up during the day and lying down for more than 15 hours and less than 20 hours per day on an R'GO SOINS overlay mattress for less than 48 hours or since the day of inclusion * Patient with a weight \< 150kg * Patient (or a trusted third party/legal representative) having been informed of the study and signing informed consent Exclusion Criteria: * Patient at end of life (estimated life expectancy less than 6 months) * Patient discharge from the establishment expected within two months * Patient already installed on an R'GO SOINS mattress topper for more than 48 hours before inclusion * Patient with unstable spinal injury or other spinal disorder * Patient with cervical or skeletal traction * Patient with unstable spinal cord injury * Patient with acute multiple trauma * Patient with unstable posttraumatic bone fracture * Participants will be excluded from the study if they meet the following combination of criteria indicative of malnutrition according to the 2021 French National Authority for Health guidelines (Participants must meet at least one phenotypic criterion and one etiological criterion to be considered malnourished and therefore ineligible for inclusion in the study) : A) One or mo…