patients scheduled to receive VATS under OLV
Conditions
Interventions
Experimental group:unidirectional valve OLV
Control group:Conventional OLV
Sponsors
West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. The ASA classification is I-III; 2. Aged from 18 to 80 years old; 3. There is no obvious abnormality in lung function, FEV1/FVC > 70%, no restrictive or obstructive ventilatory dysfunction.
Exclusion criteria
Exclusion criteria: 1. The subject cannot sign the informed consent form; 2. Obesity (BMI > 30 kg/m2); 3. Heart disease: heart failure (NYHA classification > III), history of severe arrhythmia, severe bradycardia (heart rate < 45 beats/min) or atrioventricular block; 4. Severe liver and kidney diseases; 5. Patients with restrictive lung disease; 6. Those who have not completed the preoperative examination.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the time to achieve satisfactory lung collapse; | — |
Secondary
| Measure | Time frame |
|---|---|
| the probability of hypoxemia;the probability of postoperative complications; | — |
Countries
China
Contacts
Public ContactLiang Peng
West China Hospital, Sichuan University
Outcome results
None listed