Morbidly obese
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Age >= 18 years; 2.Patients undergoing elective laparoscopic bariatric surgery under general anesthesia; 3.ASA physical status II–III; 4.BMI >= 35 kg/m^2.
Exclusion criteria
Exclusion criteria: 1.Any contraindication to the use of EIT (pacemakers, automatic implantable cardioverter-defibrillators, and implantable pumps); 2.Refusal to sign the informed consent form; 3.Participation in another clinical trial within 4 weeks prior to enrollment; 4.Comorbid pulmonary diseases, such as: bronchial asthma, multiple bilateral pulmonary bullae, recurrent pneumothorax, history of lung surgery; 5.Neuromuscular diseases, such as: periodic paralysis, progressive muscular dystrophy, myotonic dystrophy, ataxia; 6.Patients with poor compliance, such as: mental disorders or cognitive impairment, poor cooperation, or refusal to accept all procedures of this trial; 7.Congestive heart failure (NYHA class >= III); 8.Planned postoperative ICU admission; 9.Any other condition that the investigator deems unsuitable for participation in this trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of hypoxemia in the Post-Anesthesia Care Unit (PACU).; | — |
Secondary
| Measure | Time frame |
|---|---|
| Length of stay in the PACU;PONV score at 30 minutes after extubation;Length of hospital stay;QoR-15 score at 24 hours postoperatively;Time to first hypoxemia;NRS pain score at 30 minutes after extubation;Time to extubation;Blood gas analysis at 30 minutes after extubation; | — |
Countries
China
Contacts
The Affiliated Hospital of Xuzhou Medical University