Evaluating the Benefit of Hypnoanalgesia Versus Neuroleptanalgesia During Hand Surgery

Inclusion Criteria:

• Patients aged between 18 and 80,

• Patient who has read and signed the consent form for participation in the studyafter a reflection period (approximately 15 minutes).

• Patient applying for outpatient hand surgery under LRA, such as upper limb trunkblocks (flexor teno synovectomy or endoscopic carpal tunnel surgery).

• Patient requiring sedation associated with locoregional anaesthesia

Exclusion Criteria:

• Contraindication to locoregional anaesthesia or to one of the sedatives used in theprotocol

• Pregnant or breastfeeding patient or woman of childbearing age without highlyeffective contraception for the duration of the study (surgically sterile,intrauterine device (> 14 days), hormonal contraception (same dose and formulationfor at least 6 months), sexual abstinence. Women of childbearing age, i.e. fertile,are considered to be women after menarche and until they become post-menopausal,unless they are permanently infertile or have undergone surgical sterilisation. Apost-menopausal state is defined as the absence of menstruation for 12 monthswithout any other medical cause.

• Patient under court protection, guardianship or curatorship

• Patient not affiliated to the French social security system

• Patients unable to understand informed information and/or give written informedconsent: dementia, psychosis, disturbed consciousness, non-French-speaking patients,etc.