Minimum effective concentration of ropivacaine for 90% ultrasound-guided axillary brachial plexus block, with or without intravenous dexamethasone

Affiliations

• ¹ Department of Anesthesiology and Intensive Care Medicine, University Hospital of Besancon, Besancon, France.
• ² Department of Anesthesiology and Intensive Care Medicine, University Hospital of Besancon, Besancon, France; EA 3920, University of Franche-Comte, Besancon, France.
• ³ Clinical Methodology Center, University Hospital of Besancon, Besancon, France; Laboratory Chrono-environment, UMR 6249 Centre National de la Recherche Scientifique, University of Franche-Comte, Besancon, France.
• ⁴ Department of Anesthesiology and Intensive Care Medicine, University Hospital of Besancon, Besancon, France; EA 481 University of Franche-Comte, Besancon, France.
• ⁵ Department of Anesthesiology and Intensive Care Medicine, University Hospital of Besancon, Besancon, France. Electronic address: [email protected].