Abstract
Objective: To evaluate the association between Escherischia Coli (E. Coli) and Klebsiella spp bacteremia, both of which produce Extended Spectrum beta-lactamases (ESBL), and the use of third generation cephalos-porines (TGC) during 30 days prior to the development of the infection.
Patients and Methods: Case study of all patients hospitalized between 2004 and 2007 at Hospital de Niños Roberto del Río, who presented E. coli y Klebsiella spp bacteremia.
Results: 212 episodes of E. coli o Klebsiella spp bacteremias were found; 205 contained all necessary data, 47 of which were cases and 158 were controls. The use of TGC showed a statistically significant correlation with the finding of ESBL in those patients' bacteremias (OR 2,5; IC95% 1,26-5). In addition, an independent statistically significant association was found with hospital acquired infections (OR 8,2; IC95% 2,7-27,1), and the use of Central Venous Catheter (OR 38,9; IC95% 14,3-106,0) became close to statistical significance.
Conclusions: This study shows a statistically significant association between ESBL bacteremias and use of TGC within 30 days prior to the infection, confirming other literature reports.
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