Single Shot vs 24hr vs 48hr Continuous Adductor Canal Block After TKA
Total Knee Arthroplasty, Osteoarthritis, Post Operative Pain Control
About this trial
This is an interventional treatment trial for Total Knee Arthroplasty focused on measuring adductor canal block, tinetti score, time to up and go test, Ambulation distance, pain score, quality of recovery score
Eligibility Criteria
Inclusion Criteria:
- Patients scheduled for primary total knee arthroplasty
- American Society of Anesthesiologists (ASA) physical status I -III
- mentally competent and able to give consent for enrollment in the study
Exclusion Criteria:
- Patient younger than 18 years old
- Allergy to local anesthetics, systemic opioids (fentanyl, morphine, hydromorphone, and any of the drugs included in the multimodal perioperative pain protocol (MP3)
- Revision surgery
- Impaired kidney functions and patient with coagulopathy
- Chronic pain syndromes; Patients will be defined to have chronic pain if they are using regular daily doses of systemic narcotics for the past 3 months prior to the surgery
- BMI of 40 or more
- Pregnancy (positive urine pregnancy test result in Preop area on morning of surgery)
Sites / Locations
- University of Pennsylvania
Arms of the Study
Arm 1
Arm 2
Arm 3
Active Comparator
Active Comparator
Active Comparator
Single shot adductor canal block
24 hour continuous adductor canal block
48 hour continuous adductor canal block
adductor canal block group will receive single shot adductor canal block with 20ml bolus of 0.5% ropivicaine for analgesia after TKA
adductor canal block group will receive 24 hour continuous adductor canal block (0.2% Ropivicaine at 8 milliliter/hour) with initial 5ml bolus of 0.5% Ropivicaine for analgesia after TKA
adductor canal block group will receive 48 hour continuous adductor canal block (0.2% Ropivicaine at 8 milliliter/hour) with initial 5ml bolus of 0.5% Ropivicaine for analgesia after TKA