Postoperative hypoxemia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Aged 18-70 years old, regardless of gender; 2) Patients scheduled for interventional bronchoscopy; 3) American Society of Anesthesiologists (ASA) Class I-III; 4) BMI 18-28kg/m^2;
Exclusion criteria
Exclusion criteria: The subject explicitly refuses to participate in this study; Patients identified as having difficult airway management (Modified Mallampati Score of Grade IV); Patients with preoperative cardiopulmonary insufficiency such as respiratory failure, severe atrioventricular block, severe sinus node dysfunction, and congestive heart failure; Patients with a body mass index (BMI) greater than 35, those requiring emergency surgery, those with a history of previous lung surgery, pneumothorax, pulmonary tuberculosis, or pleural effusion; Patients with a history of abnormal postoperative anesthetic recovery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence rate of hypoxemia during recovery(defined as Spo2 < 90% lasting for more than 10 seconds or Pao2:Fio2 ratio < 300 mm Hg); | — |
Secondary
| Measure | Time frame |
|---|---|
| Number of patients receiving airway rescue(defined as requiring mask non-invasive positive pressure ventilation or reintubation);Arterial partial pressure of oxygen (PaO2) and arterial partial pressure of carbon dioxide (PaCO2); | — |
Countries
China
Contacts
East Hospital Affiliated to Tongji University