STUDY OBJECTIVE: Bacteriologic profile and risk factors for ESBL sepsis in newborns admitted to a Level III NICU. METHODS: This was a retrospective observational study that enrolled newborns admitted to NICU with perinatal risk factors or clinical signs of sepsis and positive blood culture from January 2013 to August 2014. Blood cultures were done by BACTEC and ESBL production was evaluated from double-disc synergy method. Maternal, perinatal and neonatal risk factors were recorded from the case records and computerized information base. Mothers received cephalosporins for PPROM but its use was restricted in newborns for both probable and culture-positive sepsis. RESULTS: Among the infants with sepsis 24% had early-onset sepsis. The incidence of ESBL of early-onset Gram-negative sepsis (EOGNS) was 44.7% (n = 17 of 38) and it was 65% in late-onset Gram-negative sepsis (n = 84 of 129). The predominant ESBL-producing microbe responsible for neonatal sepsis was Klebsiella sp. Among newborns with EOGNS, the risk factors for the production of ESBL were preterm PROM (p = 0.004) and maternal exposure to antibiotics (p = 0.05). CONCLUSION: ESBL Gram-negative sepsis is a substantial problem in neonatal infections. Maternal exposure to cephalosporins and maternal PPROM are important risk factors for ESBL Gram-negative EOS.
STUDY OBJECTIVE: Bacteriologic profile and risk factors for ESBL sepsis in newborns admitted to a Level III NICU. METHODS: This was a retrospective observational study that enrolled newborns admitted to NICU with perinatal risk factors or clinical signs of sepsis and positive blood culture from January 2013 to August 2014. Blood cultures were done by BACTEC and ESBL production was evaluated from double-disc synergy method. Maternal, perinatal and neonatal risk factors were recorded from the case records and computerized information base. Mothers received cephalosporins for PPROM but its use was restricted in newborns for both probable and culture-positive sepsis. RESULTS: Among the infants with sepsis 24% had early-onset sepsis. The incidence of ESBL of early-onset Gram-negative sepsis (EOGNS) was 44.7% (n = 17 of 38) and it was 65% in late-onset Gram-negative sepsis (n = 84 of 129). The predominant ESBL-producing microbe responsible for neonatal sepsis was Klebsiella sp. Among newborns with EOGNS, the risk factors for the production of ESBL were preterm PROM (p = 0.004) and maternal exposure to antibiotics (p = 0.05). CONCLUSION: ESBL Gram-negative sepsis is a substantial problem in neonatal infections. Maternal exposure to cephalosporins and maternal PPROM are important risk factors for ESBL Gram-negative EOS.
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