diseases of upper digestive tract
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) patients proposed painless gastroscopy of age 18-70 years, male or female; (2) BMI greater than 28kg/m2; (3) American Society of Anesthesiologists (ASA) classification as Class I-III; (4) correctly answered the questionnaire; (5) signed informed consent.
Exclusion criteria
Exclusion criteria: (1) nasal polyps, bleeding tendency, nasal trauma, nasal deformity, nasal inflammation; (2) a serious heart, lung, liver, kidney and metabolic disorders, electrolyte imbalance; (3) blood pressure >180/90mmHg; (4) ECG prompt block or complete left bundle branch II degree atrioventricular block;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Oximetry; | — |
Secondary
| Measure | Time frame |
|---|---|
| Operation time;Recovery time;heart rate;Blood pressure;first aid treatment;Adverse Events;Satisfaction; | — |
Countries
China