Comparison of PECS II Block and Combined Serratus Anterior Plane Block to Reduce Acute Pain After Mastectomy

In this study, PECS II block or CSAB will be applied to patients who have had a modified radical mastectomy under general anesthesia for postoperative pain relief by using 30 ml of 0.25% bupivacaine .All patients will receive tramadol with a patient-controlled analgesia device during the postoperative period. Pain, nausea-vomiting, additional analgesic and antiemetic drug requirement, within 24 hours postoperatively will be compared between groups. In this study, it was aimed to compare the efficacy of both peripheral nerve block methods in patients after mastectomy.