Quadratus Lumborum Block Versus Transversus Abdominis Block

General anesthesia with fentanyl, propofol and remifentanil.

Transverse abdominal block with ropivacaine 0,25% 0,2 ml/kg at the end of general anesthesia with fentanyl, propofol and remifentanil

At the end of general anesthesia with fentanyl, propofol and remifentanil, patients will receive quadratus lumborum block with ropivacaine 0,25% 0,2 ml/kg