The Effects of Different Ventilation Modes on Patients With Pulmonary Lobe Resection

Exclusion Criteria

• •Emergency surgery;
• •There is a taboos on the existence of systemic anesthesia;
• •There is a history of acute chronic upper respiratory infections in the past January;
• •Previous bronchial asthma, chronic obstructive pulmonary disease, bronchial dilatation, phthisis ,aspergillosis , acute respiratory distress syndrome or history of respiratory failure;
• •Merge the function of important organs such as heart, liver, and kidney;
• •There was a history of chest surgery and the history of trauma;
• •Preoperative lung function test obvious abnormal abnormal abnormalities (1 second of exhalation (FEV1) \<60%);
• •Patients refuse to participate in the clinical trial