Postoperative Analgesia and Recovery Quality in Total Thyroidectomy

Inclusion Criteria: * Patients aged 18-75 years * ASA physical status classification I-III * Patients scheduled for elective bilateral total thyroidectomy * Patients undergoing surgery under general anesthesia * Individuals able to read and understand Turkish and cognitively capable of completing the QoR-15 questionnaire * Patients providing written informed consent to participate in the study Exclusion Criteria: * Chronic opioid use (≥3 months of regular opioid use) * Presence of chronic pain syndrome * Psychiatric illness or cognitive impairment * History of neurological disease (stroke, dementia, Parkinson's disease, etc.) * Known allergy to local anesthetic agents * Previous surgical interventions in the cervical region (including revision thyroid surgery) * Planned extended surgery with concomitant neck dissection * Substernal/retrosternal goiter cases (with potential need for sternotomy or additional procedures) * Emergency surgical procedures * Patients with ASA physical status IV or higher * Pregnancy * Patients expected to require postoperative intensive care * Patients experiencing intraoperative complications that deviate from the standard monitoring protocol