This study is designed to evaluate pain control of continuous adductor canal blocks placed proximally versus distally within the canal. The investigators hypothesize that there will be similar pain control between both groups.
This study is a non-inferiority trial designed to determine whether placement of a continuous block within the adductor canal has a substantial impact on pain following total knee arthroplasty. Our primary outcome to determine this difference will be opioid consumption within the first day following surgery. Secondary outcomes will include: pain scores, quadriceps strength, and distance ambulated during physical therapy.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
76
Continuous Nerve Block
Continuous Nerve Block
Virginia Mason Medical Center
Seattle, Washington, United States
Opioid Consumption (IV Morphine Equivalents)
Total opioid consumption
Time frame: 24 Hours
Opioid Consumption (IV Morphine Equivalents)
Total opioid consumption
Time frame: 48 Hours
Pain (Numeric Rating)
NRS Pain Scale
Time frame: 48 Hours
Quadriceps Strength (% of Baseline)
Maximum Isometric Voluntary Contraction
Time frame: 48 Hours
Distance Ambulated (Feet)
Total distance ambulated during physical therapy
Time frame: 48 Hours
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