The Effect of Femoral Nerve Block on Opioid Requirements After Surgery for a Femur Fracture in Children

Inclusion Criteria: * Femoral shaft fracture requiring intra-medullary nailing * Surgery performed within 24 hours of injury * Ability of child or family to use patient-controlled analgesia (PCA) * No allergy or sensitivity to bupivacaine * Informed consent and assent Exclusion Criteria: * Open femur fractures * Closed fractures needing open reduction * Fractures associated with neurovascular complications * Fractures associated with compartment syndrome * Repeat femoral surgeries * Patients who received a femoral nerve block more than 1 hour prior to surgery * Complex associated injuries or pre-existing condition that will delay time to ambulation * Children who are allergic and/or sensitive to bupivacaine