Effects of Different Peep Applications on Tissue Oxygenation, Respiratory Mechanics and Postoperative Pulmonary Complications in Laparoscopic Hysterectomy Operations

Inclusion Criteria: * The study group included patients aged 18-70 years with ASA physical status I-III who were scheduled for elective laparoscopic hysterectomy under general anesthesia between November 1, 2023 and February 15, 2024 and who gave informed consent for participation. Exclusion Criteria: * Previous history of pneumothorax * ASA IV classification * Significant pulmonary impairment (moderate/severe chronic obstructive pulmonary disease, emphysema, pulmonary hypertension, etc.) * Active upper respiratory tract infection or recurrent respiratory infections requiring recent antibiotic treatment * Severe systemic diseases * Heavy smoking (≥20 pack-years) * Emergency surgical cases * Failure to provide written informed consent for any reason * Contraindications to PEEP application