Erector Spina Plan Block (ESPB) is a relatively new, easy-to-apply and safe regional anesthesia technique used to provide postoperative analgesia in various surgeries. Studies showing the clinical benefits of Erector Spina Plan block in renal transplantation surgery are limited to case reports. In this study, the effect of Erector Spina Plan Block on opioid consumption in postoperative period on donor patients who will undergo laparoscopic nephrectomy in renal transplantation surgery will be examined prospectively.

The aim of the study is to provide analgesia to donor patients using less opioids by Erector Spina Plan Block and provide enhanced recovery.

Inclusion Criteria:

• Donor patients scheduled for elective nephrectomy in renal transplantation surgery
• ASA I-II
• Patients who are aged between 18-75

Exclusion Criteria:

• Skin infection at the Erector Spina Plan Block area
• Coagulation disorder or using anticoagulant drugs
• End-stage organ and system failure
• Severe pulmonary and/or cardiovascular problems
• Substance addiction or known psychiatric or mental problems
• Chronic painkiller usage