Resumen

GIUGNO, Silvana Mónica et al. Association between uremic hemolytic syndrome and infection by Shiga toxin-producing Escherichia coli. Acta bioquím. clín. latinoam. [online]. 2007, vol.41, n.1, pp.27-33. ISSN 0325-2957.

Between January 1997 and December 2002, a total of 208 pediatric patients with hemolytic uremic syndrome (HUS) were studied to establish its association with Shiga toxin-producing Escherichia coli (STEC) infection. The median age was 22±19 months, and 53.8% were female patients. Cases were mainly well nourished children (85.1%) from a middle class condition (52%); 95.5% had diarrhea, (bloody diarrhea in 74.2%), during the summer and at the beginning of autumn (75%). Forty-four per cent received antibiotic therapy during the prodromic period. STEC was isolated in 9.8% of the cases, being Escherichia coli O157:H7 the most frequent serotype isolated (83.3%). Shiga free toxin was detected in stools (StxMF) in 21% of the samples studied. Cumulative evidences of infection by STEC were found in 59.1% of the patients.

Palabras clave : hemolytic uremic syndrome; Shiga toxin-producing Escherichia coli; children.

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