Pulmonary Atelectasis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients aged 18~65 years; 2. The duration of the operation is at least 1 hour; 3. The American Society of Anesthesiologists (ASA) is graded at Grade I and II; 4. There are no contraindications to anesthetic and methods of this experiment.
Exclusion criteria
Exclusion criteria: 1. Those who do not sign the informed consent file; 2. Patients with a history of thoracic surgery, pneumothorax, previous pulmonary or heart, liver, kidney, and neurological disorders; 3. abnormal chest x-ray or abnormal pulmonary function before surgery; 4. Patients with a history of respiratory tract infections within two weeks before surgery; 5. Patients with obesity (BMI28kg/m^2).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| LUS score;Pulse oxygen saturation, Spo2;Postapneic end-tidal carbon dioxide pressure;Incidence of hypoxemia;Arterial partial oxygen pressure (mmHg);Airway front pressure;Airway plateau pressure;Dynamic lung compliance;Incidence of postoperative pulmonary complications; | — |
Secondary
| Measure | Time frame |
|---|---|
| Operation time;Duration of anesthesia;Pneumoperitoneum time;Extubation time;Urine volume;Liquid intake;Amount of bleeding; | — |
Countries
China
Contacts
The Third Affiliated Hospital of ZhengZhou University