The quadratus lumborum block was more effective in reducing morphine consumption and demands than transversus abdominis plane blocks after cesarean section. This effect was observed up to 48 hours postoperatively.
(Reg Anesth Pain Med. 2016;41(6):757–762)
Pain relief after cesarean section can significantly enhanced early recovery, ambulation, and breastfeeding. A prior study found quadratus lumborum block (QLB) to be superior to patient-controlled analgesia after cesarean delivery. QLB is a posterior abdominal wall block that allows local anesthetic to spread behind the quadratus lumborum muscle and expand past the middle layer of the thoracolumbar fascia into the lumbar interfacial triangle. The transversus abdominis plane (TAP) block is another regional block being used with increased frequency for postoperative analgesia. The current investigators compared the efficacy of QLB and TAP blocks for postcesarean analgesia.
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