Femoral Nerve Block Compared to Exparel in Total Knee Replacement

Exclusion Criteria

• •Patients with Revision or Complex Total Knee Replacements and are under the age of 18, or over the age of 73 will be excluded.
• •Patients with an ASA 4 level will be excluded.
• •Patients with a Body Mass Index of less than 20, and over 40, will be excluded.
• •Patients taking preoperative narcotics, patients with extreme sensitivity or allergy to narcotics or local anesthetics, and patients using opioid medications for at least 3 months leading up to surgery, will also be excluded.