This study is a prospective, single-center, single-blind, randomized controlled clinical trial. Patients scheduled for laparoscopic bariatric surgery will be selected and randomly assigned to either the EIT-guided individualized PEEP group (Group P-eit) or the control group (Group P-8). Group P will be ventilated using the PEEP value determined by EIT, while Group C will be ventilated with a fixed PEEP value of 8 cmH2O.The primary outcome is the incidence of postoperative pulmonary complications (PPCs) within 72 hours after surgery.
Age between 18 and 65 years;
Plan to receive laparoscopic bariatric surgery under general anesthesia;
American Society of Anaesthesiologists (ASA) physical status I-III;
BMI between 30 and 55 kg/m2;
History of smoking or previous thoracic surgery;
Invasive mechanical ventilation within 30 days;
Pregnancy;
Allergy to EIT electrodes;
Jianbo Wu
Lead sponsor
Qianfoshan Hospital
Sponsor institution