1Restrepo MI, Mortensen EM, Rello J, et al. Late admission to the ICU in patients with community-acquired pneumonia is associated with higher mortality [ J ]. Chest, 2010,137 ( 3 ) : 552 - 7.
2Brown SM, Jones BE, Jephson AR, et al. Validation of the infectious disease society of America/American Thoracic Society 2007 Guide- lines for severe community -acquired pneumonia [ J ]. Crit Care Med,2009,37(12) :3010 -6.
3Ewig S, Polverino E. Microbial aetiology of community-acquired pneumonia and its relation to severity [ J ]. Thorax, 2011,66 ( 4 ) : 340 - 6.
4Fabian M, Miriam CC,Thomas B,et al. Procalcitonin levels predict bacteremia in patients with community-acquired pneumonia a prospective cohort triM[ J]. Chest ,2010,135 ( 1 ) : 121 - 9.
5Schuetz P, Wolbers M, Christ-Crain M, et al. Pmhormones for prediction of adverse medical outcome in community-acquired pneumonia and lower respiratory tract infections [ J ]. Crit Care, 2010, 14 (3) : R106.
6Nowak A, Breidthardt T, Christ-Crain M, et al. Direct comparison of three natriuretic peptides for prediction of short- and long-term mortality in patients with community-acquired pneumonia [ J ]. Chest ,2012,142:974 - 982.
7Yende S, Angelo GD, Kellum JA, et al. Inflammatory markers at hospital discharge predict sbsequ-ent mortality after pneumonia and sepsis[J]. Am J Respir Crit Care Med, 2008,177(11 ) : 1242 - 1247.
8Fine MJ, Auble TE, Yealy DM, et al. A prediction rule to identify low-risk patients with community-acquired pneumonia[ J]. N Engl J Med 1997,336:243 - 250.
9Adamantia L, Miquel F, Eva, et al. Severe Community-Acquired Pneumonia: Validation of the Infectious Diseases Society of Ameri- ca/American Thoracic Society Guidelines to Predict an Intensive Care Unit Admission [ J ]. Clinical Infectious Diseases, 2009,48 : 377 - 85.
10British Thoracic Society Standards of Care Committee. British Thoracic Society guidelines for the management of community acquired pneumonia in adults [ J ]. Thorax, 2001,56 ( Suppl 1V ) : ivl - 64.
3Windisch W, Kosti S, Dreher M, et al. Outcome of patientswith stable COPD receiving controlled noninvasive positivepressure ventilation aimed at a maximal reduction of PaC02[J].Chest,2005,128(2) :657-662.
4Samuel M Brown,Nathan C Dean.Defining and predicting severe community-acquired pneumonia[J].Current Opinion in Infectious Diseases-CURR OPIN INFECT DIS,2010,23(2):158-164.
5Watkins RR, Lemonovich TL. Diagnosis and management ofcommunity-acquired pneumonia in adults [J]. Am Fam Physician,2011,83(11): 1299-1306.
6Wilson PA, Ferguson J. Severe community-acquired pneumonia: anAustralian perspective[J]. Intern Med J, 2005, 35(12): 699-705.
7Mandell LA, Wunderink RG, Anzueto A, et al. Infectious diseasessociety of America/American thoracic society consensus guidelineson the management of community-acquired pneumonia in adults[J].Clin Infect Dis, 2007,44(Suppl 2): S27-S72.
8Gil DR, Undurraga PA, Saldias PF,et al. Prognostic factors andoutcome of community-acquired pneumonia in hospitalized adultpatients[J].RevMed Chil, 2006,134(11): 1357-1366.
9Wu CL, Lin FJ, Lee SY, et al Early evolution of arterial oxygenationin severe community-acquired pneumonia: a prospectiveobservational study [J]. J Crit Care, 2007, 22(2): 129-136.