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Revista chilena de infectología

versión impresa ISSN 0716-1018

Resumen

MORENO M, Claudia et al. Report of four clinical cases of Hafnia alvei bacteremia in a pediatric cardiac surgery unit. Rev. chil. infectol. [online]. 2010, vol.27, n.1, pp.40-44. ISSN 0716-1018.  http://dx.doi.org/10.4067/S0716-10182010000100006.

Introduction: The gram-negative bacillus Hafnia alvei is the only species of the genus Hafnia, family Enterobacteriaceae. It occasionally behaves as an opportunistic pathogen in humans, causing intestinal and respiratory infection and sepsis. It rarely causes bacteremia, usually of unknown focus. Objective: To describe a nosocomial outbreak of four pediatric patients with bacteremia by Hafnia alvei. Methods: Descriptive study using clinical records of pediatric patients diagnosed with Hafnia alvei bacteremia in a pediatric cardio surgical unit, in October 2008. Results: The attack rate was 4/8 (50%), lethality rate 2/4 (50%) and mortality 2/8 (25%). The microbiological study and pulsed-field gel electrophoresis confirmed the same clonal bacterial strain. Discussion: The source of bacteremia was identified only in two patients and was associated with central venous catheters. The other two cases had no known infectious source. Epidemiological surveillance of emerging agents must be maintained.

Palabras clave : Bacteremia; Hafnia alvei; blood cultures; children.

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