Obesity
Conditions
Interventions
The group of monitoring type nasopharyngeal airway:Insertable monitoring type nasopharyngeal airway
The group of nasal cannula:Ordinary disposable nasal cannula
Sponsors
General Hospital of the Northern Theater Command of the People's Liberation Army
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: Patients with elective digestive endoscopy surgery and a BMI = 28 kg/m²; aged 18-80 years; ASA grade I-III; anesthesia method of non-intubation and spontaneous breathing general intravenous anesthesia (MAC anesthesia); no use of carbon dioxide gas during surgery; willing to sign the informed consent and strictly follow the clinical research protocol.
Exclusion criteria
Exclusion criteria: a. Circulatory system diseases (heart failure, angina pectoris, myocardial infarction, arrhythmia); b. Uncontrolled hypertension (systolic blood pressure >= 160 mmHg or diastolic blood pressure >= 100 mmHg) or hypotension (stolic blood pressure 2.5 mg/dL; g. Anemia or thrombocytopenia (hemoglobin <90 g/L, platelet count <80×10^9 /L); h. Coagulation dysfunction; i. Negative modified Allen test; j. Long-term alcohol abuse or use of psychotropic drugs, analgesics; k. History of anesthetic accidents and contraindications to anesthetic sedatives; l. Those who have participated in other drug clinical trials in the past three months
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| SpO2; | — |
Secondary
| Measure | Time frame |
|---|---|
| Gender;BMI;RR;PaO2;PaCO2;PetCO2;incidence of adverse reactions;airway intervention; | — |
Countries
China
Contacts
Public ContactSong Dandan
General Hospital of the Northern Theater Command of the People's Liberation Army
Outcome results
None listed