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Rev. chil. infectol ; 32(4): 447-452, ago. 2015. tab
Article in Spanish | LILACS | ID: lil-762635

ABSTRACT

Background: Early neonatal sepsis (EOS) is the second leading cause of death in the first week of life. Epidemiology differs in developed and developing countries. Aim: To describe the epidemiology of EOS among newborn patients in a public hospital in western Mexico. Methods: A prospective cohort study was performed in newborns of Nuevo Hospital Civil de Guadalajara "Dr. Juan I Menchaca". EOS was diagnosed with blood cultures or cultures of cerebrospinal fluid within the first 72 h of life. We analyzed risk factors (RF) by multivariate analysis with logistic regression. Results: We identified an EOS incidence of 4.7 events per 1,000 live births. Seventy two percent of the isolated bacteria were gram negative bacilli. Factors associated with EOS were maternal age ≤ 15 years (OR 3.50; 95% CI 1.56-7.85), rupture of membranes > 18 h (OR 2.65; 95% CI 1.18-5.92), maternal fever (OR 6.04; 95% CI 1.54-23.6), birth weight ≤ 2,500 g (OR 4.82; 95% CI 2.38-9.75) and gestational age < 37 weeks (OR 3.14; 95% CI 1.58-6.22). Conclusions: In addition to the RF known for EOS an independent association was observed with maternal age ≤ 15 years.


Introducción: La sepsis neonatal temprana (SNT) es la segunda causa de muerte en la primer semana de vida; la epidemiología difiere en países desarrollados y en vías de desarrollo. Objetivo: Describir la epidemiología de SNT en recién nacidos (RN) de un hospital público del occidente de México. Material y Métodos: Estudio de cohorte prospectivo en RN del Nuevo Hospital Civil de Guadalajara "Dr. Juan I Menchaca". Se diagnosticó SNT con cultivos de sangre o líquido cefalorraquídeo en las primeras 72 h de vida. Se indagaron factores de riesgo (FR) mediante análisis multivariado con regresión logística. Resultados: La incidencia de SNT fue de 4,7 eventos por 1.000 RN vivos. El 72% de las bacterias aisladas correspondió a bacilos gramnegativos. Los factores asociados a SNT fueron la edad materna ≤ 15 años (OR 3,50; IC 95% 1,56-7,85), ruptura de membranas > 18 h (OR 2,65; IC 95% 1,18-5,92), fiebre materna (OR 6,04; IC 95%1,54-23,6), peso al nacimiento ≤ 2.500 g (OR 4,82; IC 95% 2,38-9,75) y edad gestacional < 37 semanas (OR 3,14; IC 95% 1,58-6,22). Conclusiones: Además de los FR ya conocidos para SNT se observó asociación independiente con edad materna ≤ 15 años.


Subject(s)
Female , Humans , Infant, Newborn , Male , Sepsis/epidemiology , Birth Weight , Enterobacteriaceae/classification , Enterobacteriaceae/isolation & purification , Enterococcus/classification , Enterococcus/isolation & purification , Gestational Age , Hospitals, Public , Incidence , Logistic Models , Multivariate Analysis , Mexico/epidemiology , Prospective Studies , Risk Factors , Sepsis/microbiology , Streptococcus/classification , Streptococcus/isolation & purification
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