Interscalene Block Versus Costoclavicular Block for Shoulder Surgery

Injection with ultrasound guidance of 20mL of levobupivacaine 0.5% with 5 micrograms of epinephrine per mL in the interscalene groove of the brachial plexus.

Ultrasound guided brachial plexus block injecting 20mL of 0.5% levobupivacaine with 5 micrograms of epinephrine per mL in between the cords of the brachial plexus at the costoclavicular infraclavicular space.