pulmonary disease
Conditions
Interventions
disconnection technique group:OLV was initiated after the DLT was disconnected for 2 min
the initiation time commenced when the surgeon performed the skin incision.
Preemptive one lung ventilation group:Preemptive OLV was conducted by closing the DLT lumen to the non-ventilated lung immediately upon assuming the lateral position with the distal port closed to the
Conventional ventilation group:OLV was initiated when the surgeon started to incise the skin
Sponsors
Army Medical Center of PLA
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: The patients were classified as physical status I or II according to the American Society of Anesthesiologists, ranged in age between 20 and 65 years old and were scheduled to undergo video-assisted thoracoscopic surgery requiring OLV and BMI <= 25 kg/m2.
Exclusion criteria
Exclusion criteria: The exclusion criteria included patients with the following conditions: abnormal expiratory recoil (FEV1 < 70% of predicted value), chronic obstructive pulmonary disease (COPD) or severe asthma, a history of thoracic surgery, a risk of blood or infected secretions contaminating the dependent lung or NewYork Heart Association (NYHA) heart failure class II to IV and cerebrovascular disease. A risk of blood or infected secretions contaminating the dependent lung as well as expected difficult intubation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Satisfactory lung collapse time;Lung collapse scores at different time points; | — |
Secondary
| Measure | Time frame |
|---|---|
| Basic Patient Information;Patient surgery Information;Postoperative complications; | — |
Countries
CHINA
Contacts
Public ContactWang Li
Army Medical Center of PLA
Outcome results
None listed