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Acta bioquímica clínica latinoamericana

versión On-line ISSN 1851-6114

Resumen

RODRIGUEZ, Carlos Hernán et al. Salmonella extraintestinal infection: clinic features, epidemiology and antimicrobial resistance. Acta bioquím. clín. latinoam. [online]. 2007, vol.41, n.3, pp. 379-383. ISSN 1851-6114.

The clinical and antimicrobial resistance of 59 patients with extraintestinal infection by nontyphi Salmonella was retrospectively evaluated from 1988 to 2004. In 95% of the patients there were underlying diseases, which included: oncohematologic disease (15), systemic lupus erythematosus (11), acquired immunodeficiency disease (AIDS) (10), patients of neonatal units (8), colecistitis (4), and other disorders (7). The clinical manifestation were primary bacteremias (26), bacteremias secondary to gastroenteritis (15), arthritis (7), urinary tract infections (12), abdominal infections (5), meningitis (1) and pericarditis (1). In 29 patients Salmonella enterica no Typhi was isolated in more than one site. Resistance to third generation cephalosporins was observed in 15,8 % of these isolates, and resistance to ampicillin in 21,0%. Salmonella Agona was isolated from an outbreak in neonatal ICU; the organism was recovered from blood samples of five neonates and in one patient also isolated from CSF. These isolates showed multiresistance. Imipenem, trimetoprim-sulfametoxazol and ciprofloxacin were the three most active antimicrobial agents (MIC 50: 0.5, 0.5 and 0.002 µg/mL, respectively).

Palabras llave : Salmonella extraintestinal infection; extended spectrum b-lactamases; Salmonella Agona.

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