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Single Shot “3-In-1” Femoral Nerve Blockade With 0.25% Or 0.375% Levobupivacaine Provides Similar Postoperative Analgesia For Total Knee Replacement, Alpaslan Apan, Fi̇li̇z Sari, Alp Burak Ekmekçi̇

Turkish Journal of Medical Sciences

To compare postoperative analgesia provided by single shot "3-in-1" femoral nerve blockade using 0.25% or 0.375% levobupivacaine in preceding with spinal anesthesia for unilateral total knee replacement surgery. Materials and methods: Forty consenting patients undergoing unilateral total knee arthroplasty were included in this prospective randomized study. Spinal anesthesia was achieved with 15 mg plain bupivacaine at the L3-4 or L4-5 interspace. After resolution of the spinal anesthesia, patients were randomized into 2 groups: "3-in-1" femoral nerve blocks were performed using 30 mL of 0.25% levobupivacaine (Group 1, n = 20) or 0.375% levobupivacaine (Group 2, n = 20). Pain was …