Comparison of the Effects of External Oblique Intercostal Plane Block, Subcostal Transverse Abdominis Plane Block, and Their Combination in the Management of Postoperative Pain in Laparoscopic Cholecystectomy Surgery

Inclusion Criteria: * Patients scheduled for laparoscopic cholecystectomy surgery * Patients aged between 18 to 80 years * Having an anesthesiology risk assessment of ASA I, II, or III Exclusion Criteria: * Patients who do not give written and oral consent * Patients with coagulopathy * History of allergic reaction or intoxication by local anesthetics * Severe organ failure * Mental retardation or illiteracy * Presence of infection on the injection site * Pregnancy * Patients whom the procedure is extended to open cholecystectomy