Duration of Colonization by Extended-Spectrum Beta-Lactamase-Producing Enterobacteriaceae in Healthy Newborns and Associated Risk Factors: a Prospective Cohort Study
Duration of colonization by extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-E) and factors associated with it were studied in 20 newborns in Seville, Spain. Median duration of colonization was 7.5 months; factors associated with prolonged colonization were delivery by caesarean section, colonization of the mother and phylogroup B2 Eschericha coli isolate.Ministerio de Economía, Industria y Competitividad REIPI RD12/0015/0010Ministerio de Economía, Industria y Competitividad REIPI RD16/0016/0001Instituto de Salud Carlos III Grants 070190, 10/01955, y 10/00795Junta de Andalucía Grants CTS-5259 y CTS21