Ultrasound guided distal adductor canal block provides effective postoperative analgesia in lower leg surgery

In order to provide adequate postoperative analgesia in patients undergoing lower extremity surgeries, blockage of both lumbar and sacral plexus originating nerves are required as part of multimodal analgesia regimens. Block of the sciatic nerve from the popliteal region is a frequently used regional anesthesia/analgesia technique in lower leg surgery. Additionally, saphenous nerve block at the adductor canal level or femoral nerve block may also be included. Runge et al. reported that local anesthetic injected at the distal of the adductor canal around the femoral artery spread both proximally to the saphenous nerve and distally to the popliteal area, around the sciatic nerve in a cadaver model [1].

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