4Hospltal-acquired Pneumonia Guilde|ine Committee of the American Thoracic Society and Infectious Diseases Society of A- merica. Guidelines for the management of adults with hospital acquired, ventilator-associated, and heal theare-associated pneumonia[S]. Am J Respir Crit Care Med, 2005,171: 388- 416.
5Landeiro JA, Boechat S, Christoph DDH, et al. transoral approach to the craniovertabral junction [J].Arq Neurop- siquiatr, 2007 , 65 (4-B) :1166-1171.
6Berlly M, Shem K. Respiratory management during the first five days after spinal cord injury[J].J Spinal Cord Med,2007, 30(4) 1309-318.
7Smetana GW. Postoperative pulmonary complications:An up- date on risk assessment and reduction[J]. Clev Clin J Med, 2009,76(4) :S60-65.
8Smetana GW, Lawrence VA,Cornell JE. Preoperative Pulmonary Risk Stratification for Noneardiothoraeie Surgery: Systematic Review for the American College of Physieians[J].Ann Intern Med, 2006,144 (8) : 581-595.
9Qaseem A,Snow V,Fitterman N,et al. Risk Assessment for and Strategies To Reduce Perioperative Pulmonary Complications for Patients Undergoing Noncardiothoracic Surgery: A Guideline from the American College of Physicians[J]. Ann Intern Med,2006,144(8) :575-880.
