Patients scheduled to undergo knee arthroscopy with anterior cruciate ligament repair with graft from the ipsilateral hamstrings and gracilis will be randomized to one of three groups. All patients will receive subsartorial saphenous nerve block. Along with this, Group 1 will receive perihamstring local anesthetic infiltration (Hamstring block), Group 2 will receive blockade of the anterior division of obturator nerve and Group 3 (control group) will receive sham injections of hamstrings and anterior division obturator nerve. All patients will receive co-analgesics for home discharge. The study will evaluate the efficacy of subsartorial saphenous nerve block alone or in combination with either hamstring block or obturator block with regards to postoperative analgesia especially the donor site pain and total analgesic consumption.
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Post-operative pain scores at admission to PACU
Timeframe: Baseline