Hyoxemia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Age >= 60 years old; 2.Patients who have undergone painless gastroscopy, painless colonoscopy or painless gastrointestinal endoscopy; 3.ASA physical condition classification: Grade I - III;
Exclusion criteria
Exclusion criteria: 1.Before the operation, peripheral SpO2 was less than 90% without oxygen inhalation. 2.Acute pharyngitis, tonsillitis, nasal diseases (such as nasal polyps, nosebleeds). 3.Within the past 6 months, there was a history of myocardial infarction and unstable angina pectoris. 4.Known to be allergic to the anesthetic drugs used during the operation. 5.Pregnant. 6.Emergency surgery. 7.In the past 3 months, participated in other clinical trial studies.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The incidence of hypoxemia; | — |
Secondary
| Measure | Time frame |
|---|---|
| The proportion of patients requiring urgent airway management.;The satisfaction levels of patients, anesthesiologists and surgeons;The incidence of severe hypoxemia;Duration of the surgery;Recovery duration; | — |
Countries
China
Contacts
People's Hospital of Jianyang City