Intravenous Dexamethasone for Ropivacaine Axillary Block

Intravenous Dexamethasone Versus Placebo for Ultrasound Guided Axillary Brachial Plexus Block With Ropivacaine: Randomised, Controlled, Clinical Trial

Prospective monocentric double-blind controlled randomised trial Aim is to assess prolonged postsurgical analgesia by intravenous dexamethasone versus intravenous placebo, after ultrasound guided axillary brachial plexus block

Inclusion Criteria:

• ASA 1,2 et 3
• surgery under axillary brachial plexus block
• aged >18 years
• signed information consent

Exclusion Criteria:

• impaired coagulation
• contraindication to regional anesthesia or technical impossibility
• opioids or pain killers abuse or addiction
• steroids consumption in the past 6 months
• dementia or under administrative supervision
• delay of surgery to short to allow regional anesthesia
• pregnancy and breastfeeding
• allergy and contraindication to dexamethasone or ropivacaine
• anticipated bad observation of treatment
• patient enrolled in another trial