A RCT on the Preventive Effect of HFNC on Postoperative Pulmonary Complications in Patients With Gynecologic Neoplasms

Inclusion Criteria

• •Patients with gynecologic Neoplasms, including benign gynecologic tumors and malignant gynecologic tumors, who are 18 to 90 years old and are scheduled for surgical treatment in our center shall receive plain chest CT scan within 1 week before surgery, and the estimated surgical time shall be ≥2 hours, and at least one of the following conditions shall be met:
• •1. Assess respiratory risk in surgical patients in Catalonia (ARRSPC) ≥45 points;
• •2. BMI≥30;
• •3. Moderate to severe asthma;
• •4. Moderate to severe chronic obstructive pulmonary disease (COPD);
• •5. Smoking history ≥20 packs/year