obesity
Conditions
Interventions
LU group:Manually increase the airway pressure, starting from 10cmH2O, increasing in increments of 5cmH2O (maximum airway pressure is limited to 40cmH2O), the inspired oxygen concentration is 60%, acc
C group:Conventional PEEP group (5cmH2O)
Sponsors
Binzhou Medical College Affiliated Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: Inclusion: 18-65 years old, BMI>=28 kg/m², elective laparoscopic surgery (>=2 hours), ASA I-III.
Exclusion criteria
Exclusion criteria: Preoperative atelectasis, pregnancy, intraoperative laparotomy, presence of severe cardiopulmonary dysfunction (such as New York Heart Association cardiac function class III - IV, acute exacerbation of chronic obstructive pulmonary disease, etc.), chest trauma or thoracic deformity affecting lung ultrasound, coagulation dysfunction with bleeding tendency to tolerate ultrasound probe placement, mental disorder unable to cooperate with the investigator
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Lung ultrasound score;Incidence of atelectasis; | — |
Secondary
| Measure | Time frame |
|---|---|
| Oxygenation index;Postoperative pulmonary complications;Drive pressure; | — |
Countries
China
Contacts
Public ContactZhang Weiwei
Affiliated Hospital of Binzhou Medical College
Outcome results
None listed