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Revista Pan-Amazônica de Saúde

versão On-line ISSN 2176-6223

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MARQUES, Patrícia Bentes; CARNEIRO, Flavia Matilla Colares  e  FERREIRA, Alcione Pena. Profile of bacterial culture of central venous catheter probe. Rev Pan-Amaz Saude [online]. 2011, vol.2, n.1, pp.53-58. ISSN 2176-6223.  http://dx.doi.org/10.5123/S2176-62232011000100006.

INTRODUCTION: Central venous catheters (CVC) devices are of fundamental importance and are the most used worldwide in the treatment of critically ill patients in Intensive Care Units. These invasive devices represent a potential source of local or systemic infectious complications. OBJECTIVES: To evaluate the microorganisms found in cultures from CVC analyzed in the Laboratory of Unimed-Belem, from January 2007 to January 2008. METHODS: A retrospective analysis of the results of 50 cultures of CVC was performed by semi-quantitative method of Maki and automated antibiogram [MiniApi (BioMerieux)], according to the criteria recommended by the Clinical and Laboratory standards Institute. RESULTS: Of the 50 samples of CVC, 36 (72%) were positive for Staphylococcus aureus (27.8%) which was the microorganism most frequently observed, followed by Pseudomonas aeruginosa (22.2%) and coagulase negative Staphylococcus (22.2%). The isolates of P. aeruginosa showed a greater sensitivity to colistin (100%), ticarcillin/clavulanate (100%), piperacillin/tazobactam (100%) and meropenem (80%), and a 50% resistance to other antimicrobials. Oxacillin-resistant strains were all sensitive to vancomycin and fusidic acid, including S. aureus (80%) and CNS (12.5%) with resistance to penicillin G. Isolates of S. aureus and CNS were sensitive to over 75% of the tested antibiotics, including teicoplanin, minocycline and quinupristindalfopristin, and were highly resistant to erythromycin, tetracycline and norfloxacin. CONCLUSIONS: The most frequent microorganisms were S. aureus in agreement with other studies carried out in hospitals in Belem. With regard to antibiotics, our results indicate an increase in multidrug-resistant strains, a fact that worries local hospital managers.

Palavras-chave : Catheters; Catheter-Related Infections; Retrospective Studies; Bacterial Infections.

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