Inclusion Criteria:  Patients with programmed SKR, >18 and < 85 years of age, Score ASA 1-2, No cognitive impairment, No thromboembolic TCDA, Without CI to local anesthetics, analgesics, Accepting outpatient care No opposition formulated  Exclusion Criteria:  <18 years and >85 years  Patients under legal protection (guardianship, curatorship, ...) Refusal to participate Support for a total knee prosthesis, Emergency surgery or revision surgery, ASA3-4, SAOS not fitted, Allergy or hypersensitivity to local anesthetics, Outpatient discharge criteria not met.