Investigation of the Effects of Transversalis Fascial Plane Block and Quadratus Lumborum Plane Block Applied in Pediatric Infra-umbilical Surgeries on Postoperative Pain and Analgesic Consumption

Regional anesthetic techniques; they reduce postoperative morbidity, provide early mobilization and provide great advantages by significantly reducing the need for narcotic analgesics. Regional anesthetic techniques are widely used in our clinic for postoperative analgesia, especially in infants and children. In patients undergoing lower abdominal surgery, postoperative analgesia is usually provided by systemic opioids and neuraxial methods. Complications such as sedation, respiratory depression, itching, nausea, vomiting and possible paraplegia or bleeding of neuraxial methods due to the use of opioids seem to be the biggest disadvantages of these two methods. Transversalis fascial plane (TFP) block is a regional anesthesia technique that provides intraoperative and postoperative analgesia as an alternative to caudal and epidural analgesia, especially in children. Transversalis fascial plane (TFP) block was first described in 2009. TFP block has been shown to be effective as an alternative to epidural analgesia and as part of a multimodal postoperative analgesic approach in lower abdominal and pelvic surgeries in children. Quadratus lumborum block (QLB) is a widely used regional anesthesia technique. It is used in pediatric patients to reduce postoperative pain in supraumbilical or infraumbilical surgeries. As a common result of all approaches, the main effect in quadratus lumborum block is anesthesia of the lateral cutaneous branches. In our center, the investigators have been using both methods, alone or in combination, routinely for a long time, and the investigators aim to compare the two methods in this study. This study consists of comparing two domain blocks known as part of multimodal analgesia.