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| Araujo,Orlei Ribeiro de; Silva,Dafne Cardoso Bourguignon da; Diegues,Ana Regina; Arkader,Ronaldo; Cabral,Eloíza Aparecida Ferreira; Afonso,Marta Rodriguez; Louzada,Maria Eduarda; Albertoni,Andréa de Cássia Stéfano. |
| Antibiotic restriction can be useful in maintaining bacterial susceptibility. The objective of this study was verify if restriction of cefepime, the most frequently used cephalosporin in our neonatal intensive care unit (NICU), would ameliorate broad-spectrum susceptibility of Gram-negative isolates. Nine hundred and ninety-five premature and term newborns were divided into 3 cohorts, according to the prevalence of cefepime use in the unit: Group 1 (n=396) comprised patients admitted from January 2002 to December 2003, period in which cefepime was the most used broad-spectrum antibiotic. Patients in Group 2 (n=349) were admitted when piperacillin/tazobactam replaced cefepime (January to December 2004) and in Group 3 (n=250) when cefepime was reintroduced... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Drug resistance; Infection control; Cefepime; Bacterial. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702007000200022 |
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| Silva,Dáfne Cardoso Bourguignon da; Seixas,Gláucia Toribio Finoti; Araujo,Orlei Ribeiro de; Arduini,Rodrigo Genaro; Carlesse,Fabianne Altruda de Moraes Costa; Petrilli,Antonio Sergio. |
| BACKGROUND: Usual treatment regimens with vancomycin often fail to provide adequate serum levels in patients with severe infections. METHODS: Retrospective analysis of vancomycin trough serum measurements. The following parameters were calculated by Bayesian analysis: vancomycin clearance, distribution volume, and peak estimated concentrations. The area under the concentration curve (AUC) (total daily dose/24 h clearance of vancomycin) was used to determine the effectiveness of treatment through the ratio of AUC/minimum inhibitory concentration (MIC) above 400, using MIC = 1 µg/mL, based on isolates of Staphylococci in cultures. RESULTS: Sixty-one vancomycin trough measurements were analyzed in 31 patients. AUC/MIC > 400 was obtained in 34 out of 61... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Immunosuppression; Drug resistance; Microbial; Staphylococcus; Anti-bacterial agents; Pharmacokinetics. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702012000400009 |
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