Sebastian L Layera, MD

CONTACT

Julian Aliste, MD

CONTACT

Lead Sponsor

University of Chile

Collaborators

Age

18 - 65 years

Sex

ALL

Healthy Volunteers

No

•Patient scheduled to undergo anterior cruciate ligament reconstruction under general anesthesia with ipsilateral autologous graft.
•Age between 18 and 65 years
•American Society of Anesthesiologists classification 1-3
•Body mass index between 19 and 35 (kg/m2)

•Adults who are unable to give their own consent
•Pre-existing neuropathy (assessed by history and physical examination)
•Coagulopathy (assessed by history and physical examination and, if deemed clinically necessary, by blood work up i.e. platelets ≤ 100, International Normalized Ratio ≥ 1.4 or prothrombin time ≥ 50)
•Renal failure (assessed by history and physical examination and, if deemed clinically necessary, by blood work up i.e. creatinine ≥ 100)
•Hepatic failure (assessed by history and physical examination and, if deemed clinically necessary, by blood work up i.e. transaminases ≥ 100)
•Allergy to local anesthetics (LAs), morphine or tramadol
•Pregnancy
•ACL revision surgery
•Contralateral graft or any type of allograft
•Chronic pain syndromes requiring opioid intake at home