hypoxemia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Aged = 65 years, gender is not limited; (2) Perform painless gastrointestinal endoscopy; (3) ASA classification I-II; (4) 18.5 kg/m2=BMI<28 kg/m2; (5) Sign the informed consent.
Exclusion criteria
Exclusion criteria: (1) Patients who cannot wear sampling tubes; (2) Emergency surgery; (3) When inhaling air, the patient's oxygen saturation (SpO2) is less than 95%; (4) Patients with known malignant tumors; (5) Patients who are considered by investigators to be inappropriate for participation in the present study for any other reason.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The incidence of hypoxemia; | — |
Secondary
| Measure | Time frame |
|---|---|
| Area under the curve (AUC);The incidence of apnea;The incidence of airway obstruction;The incidence of hypoventilation;The incidence of increasing oxygen intake;The incidence of assisted ventilation;The incidence of arrhythmia;The incidence of hypotension;The incidence of adverse outcomes ; | — |
Countries
China
Contacts
The First Medical Center of Chinese PLA General Hospital