Inclusion Criteria:  Age > 18 yars scheduled surgery of the hand, wrist or elbow under local or loco-regional anesthesia Consent to participate  Exclusion Criteria:  contraindication to loco-regional or local anesthesia allergy to the products administered (lidocaine, epinephrine) pregnant woman comprehension disorder (confusion, cognitive disorder...) or linguistic disorder that does not allow answering the follow-up questionnaires refusal to participate or to follow up surgery in emergency or under general anesthesia  Translated with www.DeepL.com/Translator (free version)