An investigation of enterococcal bacteremia |
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Authors: | Mark Whiteside Jackie Moore Kenneth Ratzan |
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Institution: | 1. Departments of Medicine and Epidemiology and Public Health, University of Miami School of Medicine, Miami Beach, Florida, USA;2. Mount Sinai Medical Center, University of Miami School of Medicine, Miami Beach, Florida, USA |
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Abstract: | Records of all 34 patients with positive blood cultures for enterococcus at Mount Sinai Medical Center of Greater Miami in 1981 were reviewed. Twenty-four true bacteremias were identified from sources including the pelvis/abdomen (9), urinary tract (6), wounds (2), IV catheter (2), contaminated needle (1), endocarditis (1), and primary bacteremia (3). Sixteen of the 24 true bacteremias were hospital acquired, and these infectious accounted for 7 of 9 (78%) fatal outcomes. Fourteen of 16 patients with hospital-acquired infection received prior antibiotic therapy. Eight (24%) of the original 34 patients had positive blood cultures for enterococcus as a result of cross-contamination from an automated blood culture analyzer. The rate of cross-contamination per positive blood culture for enterococcus in 1981 was 22%. Two remaining patients in the original series could not be placed in a category of true infection of cross-contamination. Although there was a real increase in the number of enterococcal bacteremias in 1981, a much larger apparent increase was explained by several episodes of pseudobacteremia. |
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Keywords: | Reprint requests: Mark Whiteside M D Department of Epidemiology and Public Health University of Miami School of Medicine P O Box 016069 (R-669) Miami FL 33101 |
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