Effect of Remote Ischemic Preconditioning on Lung Injury After Pulmonary Resection

Inclusion Criteria: * Clinical diagnosis of pulmonary carcinoma * Must be received pulmonary lobectomy Exclusion Criteria: * Cardiac disease categorized as NYHA classes II-IV * Preoperative severe impairment of respiratory function (arterial oxygen tension (PaO2) \<60 mmHg or FEV1\<50% predicted), * Pre-existing coagulopathy or thrombocytopenia * Prior receipt of chemotherapy or radiation therapy or immunotherapy * Systemic or local active infections (either clinically defined or suggested by evidence such as elevated C-reactive protein levels, leukocytosis, or a body temperature\>38℃) * Peripheral vascular disease affecting the upper limbs * Administration of vitamins, nonsteroidal anti-inflammatory agent or corticosteroid within 3 months.