This study aims to evaluate the lung-protective effects of ultrasound-guided lung recruitment maneuvers in patients with OSA undergoing total laparoscopic hysterectomy and to explore the efficacy of EELV measurement in assessing the effectiveness of these maneuvers.
Age ≥ 18 years;
Scheduled for elective total laparoscopic hysterectomy;
American Society of Anesthesiologists (ASA) I to III;
BMI > 28 kg/m²;
Abnormal findings on preoperative chest X-ray or CT, such as atelectasis, pneumothorax, thoracic deformity, pleural effusion, or neuromuscular diseases;
Pre-existing severe pulmonary diseases;
Severe cardiac arrhythmias or a history of cardiac surgery;
Allergy to any medications used in the study.