Intermittent Lumbar Plexus Block vs. Continuous

A clear trend towards programmed intermittent bolus rather than continuous infusion has emerged in epidural analgesia in labor. Other regional analgesia pain blocks have found the same.

This study using lumber plexus block in total hip arthroplasty again finds intermittent rather than continuous infusion led to lower opioid rescue and more consistently maintained sensory block.

The regime was: continuous infusion group 6 mL/hour continuous infusion of levobupivacaine 0.125%, and intermittent infusion group 12 mL of levobupivacaine 0.125% bolus delivered every 2 hours.

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