Trial Evaluating Postop Pain and Muscle Strength Among Regional Anesthesia Techniques for Ambulatory ACL Reconstruction

20cc of 2% mepivacaine \<20 minutes prior to in room time.

Placement of ultrasound guided adductor canal continuous nerve catheter

normal saline as bolus for placement, followed by initiation of 1/8% bupivacaine infusion through adductor canal catheter at 8cc/h

ultrasound guided adductor canal nerve block

10cc of 0.5% ropivacaine + 2 mg dexamethasone (0. 5cc), keeping total injectate at 10.5cc to spare significant proximal spread to femoral nerve

Anesthesia induction will include a propofol bolus.

Intraoperative opioid should be limited to no more than 150mcg of fentanyl.