None listed
Conditions
Interventions
Group C:The lumen leading to the non-ventilated lung of the DLT is clamped immediately after the patient is transferred to lateral decubitus to initiate single-lung ventilation, while the distal end o
Group N1:The patient was changed to a lateral decubitus position, and pure oxygen was used for double-lung ventilation until the pleura was incised. One-lung ventilation was started 1 min after the DL
Group N2:The OLV was started 2 minutes after the DLT was disconnected from breathing, and the start time began when the surgeon performed the skin incision.
Sponsors
The First Affiliated Hospital of Chongqing Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Aged more than 18 years old, less than 65 years old; 2. ASA classification I-III; 3. Patients with elective surgery; 4. Use of LDLT when undergoing thoracic surgery; 5. One-lung ventilation is required; 6. Sign the informed consent.
Exclusion criteria
Exclusion criteria: 1. Expected difficulty in intubation (Mallampatti score >= 3); 2. FEV1<70% of the predicted value; 3. Chronic obstructive pulmonary disease (COPD); 4. Pneumothorax; 5. Bullae; 6. Pleural adhesions; 7. Severe asthma; 8. History of chest surgery; 9. New York Heart Association (NYHA) heart failure class III-IV; 10. Cerebrovascular disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Lung collapse score; | — |
Secondary
| Measure | Time frame |
|---|---|
| Arterial blood; | — |
Countries
China
Contacts
Public ContactWang Bin
The First Affiliated Hospital of Chongqing Medical University
Outcome results
None listed