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Inadequate timing between corticosteroid and antibiotics applications increases mortality due to sepsis
Fadel, Marcus Vinícius Telles; Repka, João Carlos; Cunha, Cláudio Leinig Pereira da; Leão, Maria Terezinha C.
  • Fadel, Marcus Vinícius Telles; Federal University of Paraná.
  • Repka, João Carlos; Faculdade Evangélica de Medicina do Paraná. Laboratory of Experimental Microbiology. Curitiba. BR
  • Cunha, Cláudio Leinig Pereira da; Federal University of Paraná.
  • Leão, Maria Terezinha C; Federal University of Paraná.
Braz. j. infect. dis ; 12(5): 416-422, Oct. 2008. tab
Artigo em Inglês | LILACS | ID: lil-505356
ABSTRACT
This study tested the hypothesis that the use of corticosteroids prior to antibiotics can lower the mortality rate in severe infections by S. aureus or Gram-negative bacilli, using an animal model. This study was a prospective and controlled study, placed in a university laboratory. Seven hundred and sixty mice distributed into three groups (Staphylococcus aureus, Escherichia coli and Klebsiella pneumoniae infected). The interventions in each group were I) infection control (intra-peritoneal); II) treatment solely with antibiotics (teicoplanin or amikacin); III) antibiotics administered prior to the corticosteroid (methylprednisolone); IV) antibiotics administered after the corticosteroid. Mortality in the E. coli group, subgroup I 100 percent; subgroup II 55 percent (p<0.001); subgroup III 62.5 percent (p=0.2488, compared to subgroup II); subgroup IV 20 percent (p<0.01 compared to subgroups II and III). Mortality in the K. pneumoniae group subgroup I 100 percent; subgroup II 72.5 percent (p<0.01); subgroup III 80 percent (p=0.215 compared to subgroup II); subgroup IV 45 percent (p<0.01 compared to subgroups II and III). Mortality in the S. aureus group subgroup I 82.5 percent; II 42.5 percent (p<0.001); subgroup III 77.5 percent (p=0.2877 compared to subgroup I); subgroup IV 32.5 percent (p=0.1792 compared to subgroup II). The use of corticosteroids prior to antibiotics lowered the mortality rate caused by Gram-negative bacteria and did not affect the mortality caused by S. aureus. When used after starting treatment with antibiotics, the corticosteroid was not superior to the use of antibiotics alone in the case of the Gram-negative bacteria, and was not significantly different from non-treatment of the infection, in the case of S. aureus.
Assuntos

Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Metilprednisolona / Amicacina / Teicoplanina / Sepse / Glucocorticoides / Antibacterianos Limite: Animais Idioma: Inglês Revista: Braz. j. infect. dis Assunto da revista: Doenças Transmissíveis Ano de publicação: 2008 Tipo de documento: Artigo País de afiliação: Brasil Instituição/País de afiliação: Faculdade Evangélica de Medicina do Paraná/BR

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Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Metilprednisolona / Amicacina / Teicoplanina / Sepse / Glucocorticoides / Antibacterianos Limite: Animais Idioma: Inglês Revista: Braz. j. infect. dis Assunto da revista: Doenças Transmissíveis Ano de publicação: 2008 Tipo de documento: Artigo País de afiliação: Brasil Instituição/País de afiliação: Faculdade Evangélica de Medicina do Paraná/BR