Comparison of OSTAP, ESP Block,Injection of Local Anesthetic to Trocar Insertion for Elective Laparoscopic Cholecystectomy

Comparison of OSTAP, ESP Block,Injection of Local Anesthetic to Trocar Insertion for Elective Laparoscopic Cholecystectomy

Main purpose of this prospective single center randomized study is to compare the analgesic effect of ultrasound guided Unilateral Oblique Subcostal Transversus Abdominis Plane (TAP),unilateral Erector Spinae Plane (ESP) blocks and Port site infiltration of local anesthetic in subjects undergoing laparoscopic cholecystectomy. Total 100 patients, American society of anaesthesiology physical status I-II aged between 18-65 who underwent laparoscopic cholecystectomy will recruit to the study.

Inclusion Criteria:

• ASA Status 1-2 patients Exclusion criteria
• Patients with a body mass index (BMI) of >40kg/m2
• ASA score of >III
• Previous abdominal surgery
• Pregnant or breastfeeding patients
• Patients with coagulopathy
• Known local anesthetic allergy
• infection at the injection site