Inclusion Criteria:  Adult patients who will undergo coronary artery bypass grafting surgery with median sternotomy  Exclusion Criteria:  Emergency surgeries Patients with allergic reactions to anesthesia and analgesia drugs to be used Patients who do not want to participate in the study voluntarily Severe systemic disease (kidney, liver, pulmonary, endocrine) Substance abuse history History of chronic pain Psychiatric problems and communication difficulties Patients who need revision due to hemostasis in the postoperative period Patients with severe hemodynamic instability due to infection, heavy bleeding, etc.