Hypoxemia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) The patient and their legal representative voluntarily participate in the study and sign an informed consent form; (2) Patients who only undergo gastroscopy examination at this center. (3) American Society of Anesthesiologists (ASA) grading I - II; Age = 18 years old and = 65 years old.
Exclusion criteria
Exclusion criteria: (1) The patient has a history of nasal deformities, nasal mucosal damage and bleeding, and moderate to major nasal surgeries. (2) Patients undergoing gastroscopy treatment at this center. (3) Concomitant severe respiratory diseases. (4) Full stomach or clear risk of reflux aspiration. (5) The baseline blood oxygen saturation of the patient is less than 95%. (6) Combined with other important organ dysfunction: including severe liver and kidney dysfunction; Organic brain diseases, specifically referring to aneurysmal vascular diseases or arteriovenous malformations and cerebral hemorrhage; Severe hypertension, coronary heart disease, cardiac dysfunction (NYHA = Grade III), pulmonary hypertension; Hematological system diseases; Abnormal coagulation function.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The incidence of hypoxemia; | — |
Secondary
| Measure | Time frame |
|---|---|
| Related indicators of sneeze reflex induction;Incidence of subclinical hypoxia;Vital signs of patients during surgery; | — |
Countries
China
Contacts
The Third Affiliated Hospital of Sun Yat sen University