Comparison of Ultrasound-guided Quadratus Lumborum Block and Iliohypogastric/Ilioinguinal Nerve Block for Postoperative Pain Management in Patients Undergoing Cesarean Section

Comparison of Ultrasound-guided Quadratus Lumborum Block and Iliohypogastric/Ilioinguinal Nerve Block for Postoperative Pain Management in Patients Undergoing Cesarean Section: a Randomized Double-blind Clinical Trial Study

The purpose of this study is to compare the analgesic effect of ultrasound-guided quadratus lumborum block and iliohypogastric/ilioinguinal nerve block for postoperative pain management in patients undergoing cesarean section.

Inclusion Criteria:

• singleton pregnancy
• gestation of at least 37 weeks
• American Society of Anesthesiologists (ASA) physical status I or II
• finish Pfannenstiel section under combined spinal and epidural anesthesia

Exclusion Criteria:

• pruritus existed before the surgery
• allergic to lidocaine, ropivacaine or dexamethasone