Antimicrobial susceptibility in intensive care units: MYSTIC Program Brazil 2002
Braz. j. infect. dis
; 9(1)Feb. 2005. tab
Article
en En
| LILACS
| ID: lil-404307
Biblioteca responsable:
BR1.1
ABSTRACT
OBJECTIVE:
Establish the susceptibility pattern of Gram-negative bacteria causing infections in ICU patients, MYSTIC Program Brazil 2002. MATERIAL ANDMETHODS:
Gram-negative bacteria (n = 503) causing nosocomial infections were collected at seven Brazilian centers. The central laboratory confirmed the identification and performed the susceptibility tests by E-test methodology (AB Biodisk, Solna, Sweden) for meropenem, imipenem, ciprofloxacin, ceftazidime, cefepime, cefotaxime, piperacillin/tazobactam, gentamicin, and tobramycin. Interpretation criteria used were according to National Committee for Clinical Laboratory Standards (NCCLS).RESULTS:
Pseudomonas aeruginosa (33 percent) was the most frequently isolated, followed by A. baumannii (17.1 percent), K. pneumoniae (12.1 percent), E. coli (10.5 percent), and E. cloacae (7.9 percent). Pseudomonas aeruginosa isolates had susceptibility rates of 67.5 percent to piperacillin/tazobactam, 59.8 percent to meropenem, 57.3 percent to imipenem. A. baumannii presented susceptibility rates to meropenem of 89.5 percent, 88.4 percent to imipenem, and 74.4 percent to tobramycin. E. coli and K. pneumoniae were fully susceptible to both carbapenems.CONCLUSIONS:
Carbapenem resistance among Enterobacteriaceae is still rare in this region. A. baumannii and P. aeruginosa presented elevated resistance rates to all antimicrobials. Since these two bacterial species play an important role in nosocomial infections, the use of empirical combination therapy to treat these pathogens may be justified.
Texto completo:
1
Índice:
LILACS
Asunto principal:
Infección Hospitalaria
/
Bacterias Gramnegativas
/
Unidades de Cuidados Intensivos
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Antibacterianos
Tipo de estudio:
Clinical_trials
/
Guideline
/
Prognostic_studies
Límite:
Humans
País/Región como asunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Braz. j. infect. dis
Asunto de la revista:
DOENCAS TRANSMISSIVEIS
Año:
2005
Tipo del documento:
Article