hypoxemia
Conditions
Interventions
Change the head group:Change the angle at which the patient's head reclines back
Vocal cord polyp verification group:Using HFNO intraoperative ventilation, verify the optimal angle obtained by changing the head position
Sponsors
The First Affiliated Hospital of Wenzhou Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: 1. Patients with non-laparoscopic surgery without special requirements for the head position; 2. Bilateral or unilateral nasal ventilation is smooth; 3. ASA classification ?-?; 4. Age 18-60; 5. BMI < 30 Kg/m^2, body weight < 80kg; 6. Able to understand the procedures and methods of this study, willing to sign informed consent and strictly follow the clinical study protocol to complete this study.
Exclusion criteria
Exclusion criteria: 1. Expected difficult airway; 2. Skull base fracture; 3. Airway active bleeding; 4. Pregnancy, severe gastrointestinal reflux disease, and neuromuscular disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Airway pressure;Incidence of hypoxemia; | — |
Secondary
| Measure | Time frame |
|---|---|
| Percutaneous PCO2; | — |
Countries
China
Contacts
Public ContactMo Yunchang
The First Affiliated Hospital of Wenzhou Medical University
Outcome results
None listed