
    adequate enrollment was not reached for this study.
  
['pain']
['exparel', 'ropivacaine cocktail (pic)', 'bupivacaine']

        Inclusion Criteria:

          -  ≥ 40 Years Old

          -  Scheduled for Primary Total Knee Arthroplasty

        Exclusion Criteria:

          -  Opiate Tolerant (≥60mg/day oral morphine/equivalent for ≥1 week)

          -  Neuromuscular deficit affecting the lower limbs

               -  Peripheral neuropathy

               -  Radiculopathy/Sciatica

          -  Known allergy or intolerance to Bupivacaine or Ropivacaine

          -  Hepatic Disease

          -  Renal Disease/Patients needing Dialysis

          -  Planned unicompartmental knee replacement

          -  Less than 90 degree of knee flexion preoperatively.

          -  Patients who lack the capacity to consent or are unwilling to do so

          -  At the discretion of the PI, patients who may have difficulty complying with standard
             of care (SOC) followup may also be excluded
      