Intraoperative hypoxemia
Conditions
Interventions
Gold Standard:The occurrence of finger pulse oxygen saturation<90% at any time during the surgical process is considered the gold standard for the occurrence of hypoxemia
Index test:Using facial images to analyze patient facial features and predict the occurrence of intraoperative hypoxemia
Sponsors
The First Affiliated Hospital of Zhengzhou University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1) Patients who plan to receive painless gastrointestinal endoscopy in the outpatient department; 2) The informed consent form is signed voluntarily or can be provided by the family members.
Exclusion criteria
Exclusion criteria: 1) Patients receiving any study drug treatment within 30 days or less than 7 half lives before the test; 2) Patients with known cardiopulmonary diseases(asthma or recent upper respiratory tract infection) such as allergy to anesthetic drugs, severe organ dysfunction, arrhythmia, congenital heart disease, airway obstruction risk; 3) Suffering from mental diseases such as intracranial hypertension and epilepsy. 4) Patients with insufficient intestinal preparation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy ;AUC; | — |
Secondary
| Measure | Time frame |
|---|---|
| Sensitivity;Specificity;Positive predicative value;Negative predictive value; | — |
Countries
China
Contacts
Public ContactXing Na
The First Affiliated Hospital of Zhengzhou University
Outcome results
None listed