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Registros recuperados: 5
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Antimicrobial resistance in respiratory pathogens isolated in Brazil during 1999-2000 55
Critchley,Ian A.; Blosser,Renée S.; Karlowsky,James A.; Yamakita,Juri; Barth,Alfonso; Sader,Helio S.; Mendes,Caio; Teixeira,Lucia; Rossi,Flavia; Dias,Cicero A. C.; Jones,Mark E.; Thornsberry,Clyde; Sahm,Daniel F..
The in vitro antimicrobial susceptibility of the respiratory pathogens Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis to commonly tested and prescribed agents was investigated during 1999-2000 and compared with results obtained during a previous 1997-1998 study. Of 448 isolates of S. pneumoniae collected and tested in 1999-2000, 77.2% were susceptible, 19.9% were intermediate, and 2.9% were resistant to penicillin, demonstrating that there were no major changes in susceptibility to penicillin from 1997-1998 (77.1% susceptible, 18.7% intermediate, 4.2% resistant). All S. pneumoniae isolates from 1999-2000 were susceptible to levofloxacin and vancomycin, and >90% were susceptible to the beta-lactams (amoxicillin-clavulanate,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Streptococcus pneumoniae; Antimicrobial resistance; Surveillance study; Respiratory pathogen.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702001000600002
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Antimicrobial susceptibility in intensive care units: MYSTIC Program Brazil 2002 55
Mendes,Caio; Oplustil,Carmen; Sakagami,Elsa; Turner,Philip; Kiffer,Carlos.
OBJECTIVE: Establish the susceptibility pattern of Gram-negative bacteria causing infections in ICU patients, MYSTIC Program Brazil 2002. MATERIAL AND METHODS: 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%) was the most frequently isolated, followed by A. baumannii (17.1%), K. pneumoniae...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Drug resistance; Bacterial; Microbial sensitivity tests; Infection control; Carbapenems.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702005000100008
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Antimicrobial susceptibility of Gram-negative bacteria in Brazilian hospitals: the MYSTIC Program Brazil 2003 55
Kiffer,Carlos; Hsiung,Andre; Oplustil,Carmen; Sampaio,Jorge; Sakagami,Elsa; Turner,Philip; Mendes,Caio.
Establish the susceptibility pattern of Gram-negative bacteria causing infections in ICU patients, MYSTIC Program Brazil 2003. Gram-negative bacteria (n = 1,550) causing nosocomial infections were collected at 20 Brazilian centers. The central laboratory confirmed the identification and performed the susceptibility tests by Etest 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). Pseudomonas aeruginosa (30.3%) was the most frequent isolate, followed by E. coli (18.6%), Klebsiella pneumoniae (16.9%), Acitenobacter baumannii (8.8%), and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Drug resistance; Bacterial; Microbial sensitivity tests; Infection control; Carbapenems.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702005000300004
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Klebsiella pneumoniae with multiple antimicrobial resistance 55
Mendes,Caio; Kiffer,Carlos; Segura,Adília; Ribeiro,Julival; Turner,Philip.
A Klebsiella pneumoniae strain was isolated from the urine of a patient at one of the centers participating in the 2001 edition of the MYSTIC program in Brazil. The initial phenotypic findings of the isolated K. pneumoniae presented an unusual MIC of 8 mug/mL to meropenem, 2 mug/mL to imipenem, elevated MICs to broad spectrum cephalosporins (ceftazidime/cefotaxime/cefepime MIC > 256 mug/mL), aminoglycosides (gentamycin > 256 mug/mL and tobramycin = 48 mug/mL), piperacillin/tazobactam (MIC > 256 mug/mL) and susceptibility to ciprofloxacin (MIC = 0.25 mug/mL). The strain also tested positive for ESBL production with double-disk and E-test methodologies. More detailed investigation revealed that the strain produced a SHV-4 type enzyme and also lacked...
Tipo: Info:eu-repo/semantics/report Palavras-chave: Klebsiella pneumoniae; Drug effects; Drug resistance; Carbapenems.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702004000100008
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Multicenter evaluation of resistance patterns of Klebsiella pneumoniae, Escherichia coli, Salmonella spp and Shigella spp isolated from clinical specimens in Brazil: RESISTNET surveillance program 55
Oplustil,Carmen Paz; Nunes,Rogério; Mendes,Caio.
Surveillance programs are essential to detect the increase of antimicrobial resistance, and several different programs are being conducted in many countries. The RESISTNET is a surveillance program for bacterial resistance against several antimicrobial agents initiated in 1998 among Latin American countries. In Brazil, several centers were invited to join this surveillance and a total of 11 centers (6 from São Paulo and 5 from other states) participated in the study. All results were analyzed using the WHONET program. A total of 894 Escherichia coli, 386 Klebsiella pneumoniae, 70 Shigella spp and 57 Salmonella spp strains were analyzed in this study from April, 1998, to April, 1999. Susceptibility testing was performed by the disk diffusion method using...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Enterobacteria; Antimicrobial resistance; Surveillance programs; WHONET.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702001000100002
Registros recuperados: 5
Primeira ... 1 ... Última
 

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