Efficacy of PICO Compared to Opsite Post-Op Visible on Surgical Wound in Patients at High Risk of Local Complications, Undergoing Hip Arthroplasty

Inclusion Criteria: * aged between 55 and 85 years inclusive, * Patients with BMI ≥ 30 + ASA 3 + Diabetes mellitus * Patients suffering from coxarthrosis candidates for hip arthroplasty surgery or revision of hip arthroplasty Exclusion Criteria: * Age\> 85 years, \<55 years * Patients who are unable to understand and want. * Patients with severe neurological disorders or with severe disabilities. * Oncological patients and patients with malignant tumor at the edge of the wound * Patients who have undergone radiotherapy treatment * Patients with bleeding disorders * Patients on anticoagulant treatment with warfarin or NAO * Previously confirmed osteomyelitis * Patients with liver cirrhosis * Patients with non-enteric fistulas * Patients with necrotic tissue with the presence of eschar at the intervention site * Patients with autoimmune thrombocytopenia.