Prevention of Pressure Ulcers in Patients at Medium to High Risk of Developing Pressure Ulcers and Using the DOMUS 4 / AUTO Motorized Air 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, lying between 3 p.m. and 8 p.m. a day on a Domus 4 / AUTO mattress * Patient with a weight \< 200 kg * Patient (or a trusted third party) having been informed of the study and agreeing to participate Exclusion Criteria: * Patient at end of life (estimated life expectancy less than 6 months) * Malnourished patient according to the french health authority (Haute Autorité de la santé) definition\* \* For adults under 70: * weight loss ≥ 5% in one month or ≥ 10% in six months * or body mass index (BMI) ≤ 18.5 (excluding constitutional thinness) * for adults over 70: * weight loss ≥ 5% in one month or ≥ 10% in six months * or BMI ≤ 21 * or Mini Nutritional Assessment (MNA) ≤ 17 (/30) * or albuminemia \< 35 g/L