Effect of HFNC on Incidence of Hypoxia During Sedated Gastrointestinal Endoscopy in Critical Patients
Conditions
- Liver Cirrhosis
- Polyps of Colon
- Gastrointestinal Dysfunction
Interventions
- DEVICE: High-flow nasal catheter oxygen
- DEVICE: regular nasal catheter oxygen
Sponsor
Zhejiang University