Are Elastic Restraints Still Necessary in Improved Rehabilitation Programs After Hip and Knee Prosthetic Surgery?

Inclusion Criteria: * first line and non-traumatic total hip or knee arthroplasty * Patient included in an Enhanced Rehabilitation after Surgery (ERS) or "fast-track" protocol, or scheduled as an outpatient. Exclusion Criteria: * Patient requiring long-term anticoagulation for pre-existing co-morbidity * Patients with coagulation disorders (hypercoagulability) * Patient undergoing thrombogenic pharmacological treatment * History of obliterative arteriopathy of the lower limbs * Arterial disease * Obesity * Heart failure * Chronic bronchopneumopathy * Lymphedema * Chronic inflammatory disease * Permanent wearing of elastic restraints * Proximal or distal arterial bypass surgery * Creatinine clearance \< 15 ml/min * Inability to give consent * Revision surgery for hip or knee prosthesis * Metastatic cancer * Life expectancy less than 3 months * Allergy to socks or compression stockings * Patients presenting one or more exclusion criteria for the fast-track protocol (severe or poorly-balanced associated conditions such as diabetes or immunodepression, inability to contact the doctor or hospital department if necessary, pre-operative ASA score greater than or equal to 4). * Adults under guardianship or curatorship * Vulnerable persons in accordance with article L1121-6 of the CSP (French Public Health Code)