Atelectasis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Age > 18 years old; 2.ASA I-III grade; 3.18 kg/m ² < BMI < 30 kg/m ²; 4. Perform robotic laparoscopic prostate or rectal surgery as scheduled; 5. Be aware of and agree to participate in the trial and sign a written informed consent form.
Exclusion criteria
Exclusion criteria: 1. Severe lung diseases, such as chronic obstructive pulmonary disease, severe asthma, thoracic and spinal deformities, pleural effusion, pneumothorax and huge pulmonary bullae, postoperative pulmonary surgery and other diseases that affect respiratory system compliance; 2. Severe diseases of the heart, liver, kidneys and hematopoietic system; 3. Central neurological diseases with impaired respiratory function; 4. Contraindications for PEEP use: intracranial hypertension, bronchopleural fistula, hypovolemic shock, etc. 5. Hb <110 g/L for females and Hb < 120 g/L for males; 6. Preoperative SpO2 <= 94%; 7. Participated in other clinical studies in the past three months; 8. Patients who refuse to participate in the experiment and cannot cooperate
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pulmonary atelectasis; | — |
Secondary
| Measure | Time frame |
|---|---|
| Ventilation parameters;Oxygenation index; | — |
Countries
China
Contacts
The First Affiliated Hospital of Anhui Medical University