Thoracic Diseases
Conditions
Interventions
A:According to the P-V ring low inflection point +2 set PEEP
B:According to the P-V ring titration method set PEEP
C:According to the lung static compliance titration method set PEEP
D:According to the lung dynamic compliance titration method set PEEP
Sponsors
Shanghai General Hospital,Shanghai Jiaotong University School of Medicine
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: Selected Shanghai 75 patients undergoing thoracic surgery of unilateral lobectomy patients in the first people's Hospital, male or female, aged 18-70 years old, ASA I ~ II, body mass index 20~28Kg/m2. By test patients within the past week there is no history of pulmonary infection, thoracic and abdominal abnormalities, cardiovascular disease in compensatory stage, does not cause hemodynamic changes in lung tissue fibrosis, preoperative pulmonary function tests: Min maximal ventilatory volume (MVV) measured value / predictive value > 70%, the first second forced expiratory volume accounted for a percentage of the forced vital capacity (FEV1) measured / predicted values%.
Exclusion criteria
Exclusion criteria: Patients within the past week has a history of lung infection, thorax and abdominal abnormalities and cardiovascular disease will cause the change of hemodynamics, pulmonary fibrosis, and preoperative pulmonary function tests: Min maximal ventilatory volume (MVV) measured value / predictive value < 70%, the first second forced expiratory volume accounted for forced lung activity percentage (FEV1) measured value and predicted value less than 60%.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Lung shunt; | — |
Countries
China
Contacts
Public ContactChen Lianhua
Shanghai General Hospital south courtyard anesthesia
Outcome results
None listed