A Retrospective Investigation of Local Anesthetic Concentrations in Femoral Nerve Block

A Retrospective Investigation of Safety and Efficacy From Increasing Concentrations of Local Anesthetic in Pediatric Femoral Nerve Blocks

The purpose of this study is to retrospectively compare perioperative pain relief and safety in pediatric patients who have received a femoral nerve block with varying concentrations of local anesthetic.

Inclusion Criteria:

• ASA physical status I or II
• Age < or equal to 18 years of age at time of femoral nerve block
• Femoral nerve block performed from 2010-2015

Exclusion Criteria:

• ASA physical status > II
• Co-morbid diseases (cardiac, pulmonary, neurological disease)
• Use of adjunctive medications in femoral nerve block (except for epinephrine), such as dexamethasone