1Guay J. The benefits of adding epidural analgesia to general anesthesia: a meta analysis[J]. J Anesth ,2006,20:335-340.
2Groeben H. Epidural anesthesia and pulmonary function[J]. J Anesth, 2006,20:290-299.
3Licker M J, Widikker I, Robert J, et al. Operative mortality and respiratory complications after lung resection for cancer: impact of chronic obstructive pulmonary disease and time trends[J]. Ann Thorac Surg, 2006,81 : 1830-1837.
4Watanabe S, Asamura H, Suzuki K, et al. Recent results of postoperative mortality for surgical resections in lung cancer[J]. Ann Thorac Surg, 2004,78:999-1002.
5Magnusdottir H, Kirno K, Ricksten S E,et al. High eboraeie epidural anesthesia does not inhibit sympathetic nerve activity in the lower extremities[J]. Anesthesiology, 1999, 91 : 1299.
6Gruber E M, Tschernko E M, Kritzinger M, et al. The effects of thoracic epidural analgesia with bupivacaine 0.25% on ventilatory mechanics in patients with severe chronic obstructive pulmonary disease[J]. Anesth Analg ,2001,92 : 1015-1019.