Perfil de resistência dos Staphylococcus aureus isolados de sangue e cateter
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Data
2014
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Resumo
Staphylococcus aureus bacteria are responsible for causing various diseases, from
localized skin infections to severe systemic infections such as bloodstream infections
(BSI). The Staphylococcus aureus strains were isolated from clinical specimens of
ENCICLOPÉDIA BIOSFERA, Centro Científico Conhecer - Goiânia, v.10, n.19; p. 201389 4
blood and catheter tips, and sub cultured on nutrient Agar and subjected to
antimicrobial susceptibility testing. Of the total 602 samples, 268 strains of
Staphylococcus aureus were identified. Of these were isolated 233 (87%) MRSA
strains and 35 (13%) MSSA strains. When analyzing clinical specimens MRSA was
more isolated in the catheter tip (52.2%) compared to blood (47.7%), this being the
most frequent pathogen in the ICU (36%), medical (30%), surgical center (18%),
trauma (3.8%), intermediate clinic (3.8%), and nursing (2.1%) followed by other units
(2.5%). MRSA showed statistically significant differences for resistance to
ciprofloxacin, trimethoprim-sulfamethoxazole, rifampin, clindamycin, erythromycin
and gentamicin, being the resistance factor favorable to use more than three
antimicrobials. The strategy to revert this situation includes the reduction of
indiscriminate use of antibiotics and encouraging the development of effective
protocols for the prevention and control of Healthcare-Associated Infections (HAIs)
through knowledge of the resistance of MRSA to the antimicrobial profile.
KEYWORDS: MRSA, Blood, Catheter tip, Multi-resistance.
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Palavras-chave
Multirressistência, MRSA, Sangue, Ponta de Cateter, Blood, Catheter tip, Multi-resistance
Citação
PENA, D. R. ; RODRIGUES, G. ; KOBAYASCHI, C. A.; VIEIRA, J. D. G.; SADOYAMA, G. Perfil de resistência dos staphylococcus aureus isolados de sangue e cateter. Enciclopédia Biosfera, Goiânia, v. 10, n. 19, p. 388-396, 2014.