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Perinatología y reproducción humana

On-line version ISSN 2524-1710Print version ISSN 0187-5337


OSTIA-GARZA, Patricia J.  and  SALZAR-ESPINO, Berenice. Frequency of risk factors associated with neonatal sepsis. Perinatol. Reprod. Hum. [online]. 2021, vol.35, n.1, pp.3-9.  Epub June 06, 2022. ISSN 2524-1710.

Neonatal sepsis is that clinical situation derived from the invasion and proliferation of bacteria, fungi or viruses in the newborn, which manifests itself in the first 28 days of life. The etiology is fundamentally bacterial, since sepsis due to fungi and viruses accounts for less than 1% of cases. Among the bacteria most frequently involved are Streptococcus agalactiae or Streptococcus group B and Escherichia coli.


To determine the frequency and factors related to neonatal sepsis in the neonatology service of the Mónica Pretelini Sáenz Perinatal Maternity Hospital in the period from 2013 to 2015.


A descriptive, cross-sectional, retrospective and observational study was carried out, where all the records of newborns with diagnosis of neonatal sepsis with isolated germ were taken, with a total of 378 records,


The factors related to neonatal sepsis in the period we`re the use of parenteral nutrition, assistance with mechanical ventilation and use of central veins. The most frequently isolated microorganisms were Escherichia coli (21.5%) and Klebsiella pneumoniae (20.5%).

Keywords : Neonatal sepsis; Preterm; Risk factors.

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