Intermittent bilateral anterior sub-costal quadratus lumborum block for effective analgesia in lower abdominal surgery

As one of new quadratus lumborum (QL) blocks, the anterior sub-costal QL block has been reported to be an effective analgesic in lower abdominal surgery [1]. However, there have been no reports on the efficacy of the anterior sub-costal QL block over the long postoperative period. In this article, we report two successful cases of intermittent anterior sub-costal QL block in lower abdominal surgery for pain management during the long postoperative period.

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