Lumbar Plexus and Suprainguinal Fascia Iliaca Blocks For Total Hip Replacement

Injection with ultrasound guidance of 40 mL of levobupivacaine 0.25% with 5 micrograms of epinephrine per mL and dexamethasone 4 milligrams, in the posteromedial quadrant of psoas muscle

Injection with ultrasound guidance of 40 mL of levobupivacaine 0.25% with 5 micrograms of epinephrine per mL and dexamethasone 4 milligrams, underneath the fascia iliaca at the suprainguinal level