Quadratus Lumborum Block III Versus Peritubal Local Infiltration

Postoperative Analgesic Efficiency of Quadratus Lumborum Block III Versus Peritubal Local Infiltration in Patients Undergoing exPercutaneous Percutaneous Nephrolithotomy Operation : a Randomized Comparative Study

Investigators compare post operative analgesic efficacy of peritubal local infiltration versus Quadratus Lumborum Block III . In patients undergoing Percutaneous Nephrolithotomy operation

Inclusion Criteria:

• patient with pelvic renal stone less than 2 cm
• Americans society of Anesthesiologists physical status I, II
• BMI<35

Exclusion Criteria:

• patient refusal to participate in the study
• Americans society of Anesthesiologists physical status III or above
• major hepatic, renal or cardiovascular disease
• BMI > 35
• coagulopathy
• psychological disorders.