A Study to Compare the Effectiveness of Adductor Canal Pain Catheters Following Total Knee Arthroplasty

A Three-Arm, Double-Blinded, Randomized Controlled Trial Comparing the Efficacy of Adductor Canal Pain Catheters Following Total Knee Arthroplasty

The purpose of this research is to study how well the adductor canal pain catheters works after a total knee arthroplasty or replacement of the knee joint. The catheter works by using either an intermittent bolus injection to provide a large dose of medication or continuous infusion of pain medicine, ropivacaine 0.2%, compared to a single-shot adductor canal block.

Inclusion Criteria:

• Age ≥ 18 and ≤ 90 years.
• Willing to participate in the study and competent to provide informed consent.
• Willing to comply with protocol procedures.
• Has an underlying diagnosis of osteoarthritis indicated for a total knee arthroplasty.

Exclusion Criteria:

• The patient must not have taken any narcotic medications (schedule II) during the 3 months leading up to the surgery.
• The patient must not be allergic or intolerant to a medication used in the multimodal pain pathway.
• Revision knee arthroplasty.
• Uncontrolled diabetes with A1C > 8.0%.