Intraoperative Hypoxemia
Conditions
Interventions
Intervention group:Assisted ventilation via a new type of nasopharyngeal airway under the guidance of CO2 monitoring
Sponsors
The Third Xiangya Hospital of Central South University
Eligibility
Sex/Gender
All
Age
65 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Age >= 65 years; 2. Scheduled for ERCP treatment; 3. BMI 18 - 28 kg/m^2; 4. ASA classification I - III; 5. Mallampati classification I or II; 6. Voluntarily participate in this study and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Having mental illness, consciousness disorder or inability to cooperate with the researchers; 2. The estimated operation time is more than 2 hours; 3. Known or suspected difficult airway; 4. Abnormal coagulation function, tendency of nosebleed, nasal cavity stenosis, nasal trauma or other contraindications for nasal intubation; 5. Severe heart or lung diseases or unstable vital signs; 6. Existence of high-risk factors for vomiting and aspiration, or need for tracheal intubation for general anesthesia to protect the airway due to other reasons; 7. Emergency ERCP; 8. Other situations that the researchers consider inappropriate for participating in this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of intraoperative hypoxemia during ERCP; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of intraoperative subclinical respiratory depression;Incidence of intraoperative severe hypoxemia;Number of hypoxemic episodes per patient;Duration of hypoxemia;Airway interventions;Use of vasoactive drugs;Incidence of hypotension;Incidence of bradycardia;Number of body movements;Dose of anesthetic drugs;Recovery time; | — |
Countries
China
Contacts
Public ContactHuan Chang
The Third Xiangya Hospital of Central South University
Outcome results
None listed