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Jornal de Pediatria

Print version ISSN 0021-7557


NUNES, Maria do Rosário C. M. et al. Diarrhea associated with Shigella in children and susceptibility to antimicrobials. J. Pediatr. (Rio J.) [online]. 2012, vol.88, n.2, pp.125-128. ISSN 0021-7557.

OBJECTIVE: To evaluate the distribution and susceptibility to antimicrobials of Shigella isolated from children with acute diarrhea and without diarrhea in Teresina, state of Piauí, Brazil. METHODS: Four hundred children aged up to 60 months were studied. Stools were collected from all the patients between January 2004 and August 2007. Shigella was identified by conventional methods and antibiogram and extended-spectrum β-lactamase (ESBL) were performed by agar diffusion. RESULTS: Shigellosis was only detected in children with acute diarrhea (26/250; 10.4%), especially in those aged from 6 to 24 months and in the rainy months. Shigella was susceptible to ceftriaxone, ciprofloxacin and nalidixic acid. More than half of the strains were resistant to sulphametoxazole-trimethoprim and ampicillin. ESBL was not detected. CONCLUSIONS: S. flexneri is common in Teresina. The resistance to ampicillin and sulphametoxazole-trimethoprim gives cause for concern, as these drugs are widely used in practice and sulphametoxazole-trimethoprim is also recommended for treating children suspected of having shigellosis.

Keywords : Infectious diarrhea; Shigella flexneri; Shigella sonnei; susceptibility to antimicrobials; treatment of acute diarrhea.

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