Enterobacter Cloacae Bacteremia in Children: A Review of 30 Cases in 12 Years

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Abstract
A review was performed of the 30 cases of pediatric Enterobacter cloacae (EBC) bacteremia which occurred at our institution during a 12-year period. These 30 cases represented 88% of all cases in which EBC was isolated by blood culture (four other instances were considered contaminants); the rate of isolation of this organism relative to all positive blood cultures was 0.6%. There were 14 patients <12 months of age, with 10 <2 months of age. Infection was nosocomially-acquired in 17 cases. At the time the positive blood culture was obtained, 5 patients were afebrile, and 8 patients (five immunocompromised) had been receiving parenteral antibiotic therapy to which the organism exhibited in-vitro sensitivity for at least 24 hours. EBC was a constituent of polymicrobial bacteremia in 6 cases; in 5 instances the associated organisms were also gram-negative bacteria. There were a total of 33 underlying medical conditions or foci of infection associated with EBC bacteremia identified in 27 patients, the most common of which were immune-deficiency state (17) and gastrointestinal tract lesions (6). There were 3 patients who died. EBC bacteremia is a relatively rare pediatric infection. It is commonly nosocomially-acquired, and afflicts children who are younger-aged or compromised by underlying medical problems.

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