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.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
60
0.2% continuous infusion 6mL/hr
0.2% intermittent bolus infusion 8mL every 2 hours
Saline filled catheter
Mayo Clinic in Florida
Jacksonville, Florida, United States
Post-operative Pain Levels
Patient self-reported pain intensity score measured on the Visual Analogue Scale (VAS) rated from 0-10, where 0 was no pain and 10 was the worst pain imaginable.
Time frame: 14 days post-operatively
Amount of Medication Administered
Amount of medication administered via the patient-controlled function on the adductor catheter
Time frame: 60 days, or until discontinuation of narcotic medication (whichever is later)
Duration of Narcotic Used
Number of days that narcotic use was required.
Time frame: 60 days, or until discontinuation of narcotic medication (whichever is later)
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