Geneva, May 18 -- International Clinical Trials Registry received information related to the study (ChiCTR2600124220) titled 'The Effect of High-Flow Nasal Cannula Oxygen Therapy on Postoperative Hypoxemia in Elderly Patients at Moderate-to-High Risk of Pulmonary Complications Undergoing Abdominal Surgery Under General Anesthesia: A Randomized Controlled Trial' on May 8.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: The First Affiliated Hospital of Wenzhou Medical University

Condition: hypoxemia

Intervention: Experimental group:After tracheal extubation, the patients received high-flow nasal cannula oxygen therapy (HFNC) with an initial fraction of inspired oxygen (FiO?) of 30%, flow rate of 50 L/min, an...