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Year : 2015  |  Volume : 2  |  Issue : 4  |  Page : 117-122

Community-acquired pneumonia due to gram-negative bacteria

1 Department of Medicine, Pulmonary Diseases Division, Hospital de Clínicas, Universidad de Buenos Aires, Buenos Aires, Argentina
2 Department of Clinical Biochemistry, Hospital de Clínicas, Universidad de Buenos Aires, Buenos Aires, Argentina

Correspondence Address:
Carlos M Luna
Arenales 2557, Piso 1, dto A CP 1425, Ciudad Autónoma de Buenos Aires, Buenos Aires
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2225-6482.172651

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Community-acquired pneumonia (CAP) is a frequent infectious disease that can be usually treated in an ambulatory setting. A small percentage of these cases require hospitalization and yet it is the leading infectious cause of hospitalization and death in some countries. A number of these infections is caused by gram-negative bacteria (GNB), which have repeatedly been found to bear an adverse prognostic potential. Its incidence is variable (0-9%) and some species carry a special pathogenicity. Enterobacteriaceae in these studies were more commonly isolated than P. aeruginosa while Acinetobacter spp. and B. cepacia were only occasionally described. The present review has the aim to update the current knowledge about the etiology, classifi cation, antimicrobial resistance, diagnosis, and therapy in CAP due to GNB.

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