A Novel Analgesia Technique for ACL Reconstruction

A Randomized Controlled Trial to Evaluate a Novel Analgesia Technique for ACL Reconstruction: Adductor Canal Block With an IPACK Versus Adductor Canal Block

A comparison of two anesthetic techniques-- the Adductor Canal Block (ACB) and the Adductor Canal Block with Infiltration of the interspace between the popliteal artery and the capsule of the posterior knee (ACB/IPACK)-- in patients undergoing bone-tendon-bone (BTB) anterior cruciate ligament (ACL) reconstruction.

Inclusion Criteria:

• Patients undergoing BTB ACL reconstruction with participating surgeon
• Age 13 or greater
• Planned use of regional anesthesia
• Ability to follow study protocol
• English speaking (secondary outcomes include questionnaires validated in English only)

Exclusion Criteria:

• Hepatic or renal insufficiency
• Younger than 13 years old
• Patients undergoing general anesthesia
• Allergy or intolerance to one of the study medications
• BMI > 40
• Diabetes
• American Society of Anesthesiology (ASA) score IV
• Chronic gabapentin/pregabalin use (regular use for longer than 3 months)
• Chronic opioid use (taking opioids for longer than 3 months, or daily morphine equivalent of >5mg/day for one month)
• Non-English speaking