Masui. The Japanese journal of anesthesiology
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Regional anesthesia for lower limb surgery not only provides satisfactory analgesia, but also improves the overall postoperative outcome with less postoperative nausea and vomiting by decreasing the opioid con- sumption, encouraging early postoperative mobility. Therefore, high-quality anesthesia and postoperative analgesia accelerate the rehabilitation process and shorten the hospital stay. ⋯ In the decades to come, we hope to obtain more established evidence supporting the utility of ultra- sound-guided techniques for lower extremity nerve blocks based on high-quality clinical studies. These findings may support the development of sustained- release formulation local anesthetics and new devices or techniques in the future.