Inclusion Criteria:  - Patient, male or female, over 18 years of age, eligible for a first-line total hip replacement for isolated coxarthrosis Patient registered to the national health system Patient able to understand information about the protocol and answer to questionnaire  Exclusion Criteria:  Pregnant, breastfeeding or potentially pregnant woman Major disability History of hip replacement surgery Any surgical and/or anesthetic contraindication, or any condition deemed by the investigator to be incompatible with the research. Morbid obesity as defined by body mass index (BMI) >40 kg.m-2 History of recent infection at the surgical site Surgical contraindication Refusal to participate