Comparison of Transversus Abdominis Plane and Erector Spinae Plane Blocks for Pain Control After Renal Laparoscopy

The goal of this study is to compare the analgesic efficacy of ultrasound-guided transversus abdominis plane (TAP) block versus erector spinae plane block (ESPB) in adult patients undergoing laparoscopic renal surgeries. Forty adults (18-60 years, ASA I-II) will be randomly assigned to receive either TAP or ESPB after induction of general anesthesia. Postoperative pain will be assessed using the Visual Analogue Scale (VAS) and total fentanyl consumption over 24 hours. Secondary outcomes include time to first analgesic request, hemodynamic parameters, patient satisfaction, and incidence of complications. The study will be conducted at Cairo University Hospitals following ethical approval, with all patients providing written informed consent.

Inclusion criteria: * Age from 18 to 40 years old. * Both sexes. * American Society of Anesthesiology (ASA) physical status I, II. * Scheduled for laparoscopic renal surgeries under general anesthesia Exclusion criteria: * Parent's refusal. * Coagulation disorders. * History of allergy to local anesthetics. * Infection or redness at the injection site. * History of renal and/or hepatic insufficiency. * Preexisting cardiac dysfunction.