Geneva, April 28 -- International Clinical Trials Registry received information related to the study (ChiCTR2600122468) titled 'Median Effective Flow Rate of High-Flow Nasal Oxygen During Painless Gastroscopy With Sedation' on April 14.

Study Type: Interventional study

Study Design: Non randomized control

Primary Sponsor: The First Affiliated Hospital of Guangzhou University of Chinese Medicine

Condition: Complications of painless gastroscopy

Intervention: Group A (18-30y):HFNO was administered at 30 L/min 1 minute before anesthesia. For each subsequent patient, the flow rate of HFNO was increased or decreased by 5 L/min based on whether the previous patient experienced intraoperative hypoxemia. Group B (31-40y):HFNO was administe...