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

This study is testing whether using high-flow nasal oxygen therapy (HFNC) right after surgery reduces lung complications in women who undergo gynecologic surgery (for either benign or cancerous conditions) and are at higher risk for breathing problems. **You may be eligible if...** - You are 18–90 years old with a gynecologic tumor (benign or malignant) scheduled for surgery - Your surgery is expected to last 2 or more hours - You have at least one risk factor for postoperative lung complications — such as obesity (BMI ≥30), moderate-to-severe asthma, moderate-to-severe COPD, significant smoking history, or a high respiratory risk score **You may NOT be eligible if...** - You have lung metastases or a primary lung cancer - You have had prior lung surgery or radiation to the chest - Your surgery requires bowel resection Talk to your doctor to see if this trial is right for you.