Difficult airway
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Patients aged over 18 years; 2.Patients scheduled for elective surgery under general anesthesia; 3.Patients classified as American Society of Anesthesiologists physical status (ASA PS) I–III; 4.Patients who voluntarily signed the informed consent form;
Exclusion criteria
Exclusion criteria: 1.Patients with central nervous system diseases or psychiatric disorders; 2.Patients with otolaryngological diseases or a history of surgery that may affect airway structures, as well as patients with a known difficult airway requiring fiberoptic bronchoscopy-guided intubation; 3.Patients with severe maxillofacial deformities or neck diseases that may affect airway assessment;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Occurrence of difficult airway; | — |
Secondary
| Measure | Time frame |
|---|---|
| F1 score;Positive predictive value;Area under the receiver operating characteristic curve;Sensitivity;Negative predictive value;Balanced accuracy;Specificity;Accuracy;Area under the precision-recall curve; | — |
Countries
China
Contacts
The Second Affiliated Hospital Of Zhengzhou University