ventilator-associated lung injury
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Elderly patients aged >= 60 years old who undergo laparoscopic abdominal surgery; 2. BMI = 94%; 5. The duration of the operation is 2-7 h, and the pneumoperitoneal pressure is 10-14 mmHg.
Exclusion criteria
Exclusion criteria: 1.Patients with ARDS or pulmonary hypertension (pulmonary systolic blood pressure >= 40mmHg) or bronchiectasis or lung malignant tumors; 2.Patients who have had an acute respiratory infection or who have had cardiopulmonary surgery within one month before surgery; 3.Receiving invasive mechanical ventilation for more than 30min within 30 days before surgery; 4.Mechanical ventilation airway peak pressure >= 35 cmH2O; 5.Patients with severe organic lesions of the heart such as obvious heart failure and coronary heart disease; 6.Patients with preoperative anemia (Hb = 3 hours); 11.Patients with mental illness, impaired consciousness and communication disorders; 12.Patients who refuse to participate in this trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Volume ratio of new-onset atelectasis after surgery; | — |
Secondary
| Measure | Time frame |
|---|---|
| Signature indicator of ventilator-related lung injury;Oxygenation index;Postoperative pulmonary complications;Other postoperative complications; | — |
Countries
China
Contacts
Fujian Medical University Union Hospital