Bibliographic citations
Rivera, F., (2021). Incidencia y factores asociados a la restricción de crecimiento extrauterino en prematuros de muy bajo peso al nacer – estudio multicéntrico en la Red Neonatal NEOCOSUR [Universidad Peruana Cayetano Heredia]. https://hdl.handle.net/20.500.12866/10076
Rivera, F., Incidencia y factores asociados a la restricción de crecimiento extrauterino en prematuros de muy bajo peso al nacer – estudio multicéntrico en la Red Neonatal NEOCOSUR []. PE: Universidad Peruana Cayetano Heredia; 2021. https://hdl.handle.net/20.500.12866/10076
@mastersthesis{renati/910088,
title = "Incidencia y factores asociados a la restricción de crecimiento extrauterino en prematuros de muy bajo peso al nacer – estudio multicéntrico en la Red Neonatal NEOCOSUR",
author = "Rivera Abbiati, Fabiola",
publisher = "Universidad Peruana Cayetano Heredia",
year = "2021"
}
Background: EUGR is common in VLBW infants and associated with adverse neurodevelopmental outcome. Aim: Determine the incidence and associated factors for EUGR in VLBW infants between 22–32 weeks of gestational age (GA) at NEOCOSUR. Methods: In this observational, retrospective cohort study, newborns with less than 33 weeks of gestational age, with very low birthweight (less than 1500gr), from NEOCOSUR center between 2002-2016 were included. Cumulative incidence and incidence density for EUGR was calculated, defined as >2 decrease in z-scores between birth and 36 weeks, for weight and head circumference. We assessed the independent association of perinatal factors and time periods with EUGR, assessed through multilevel Poisson model, using both, univariate and multivariate analysis. Relative risk was calculated for associated factors. Results: We included 7,946 infants with a mean (CI 95%) z-score at birthweight of -0.56 (-0.57; -0.54) decreasing to -2.01(-2.03;-1.99) at 36 weeks of GA. Cumulative incidence of EUGR according to weight and head circumference occurred in 23.5% and 15.3%, respectively. . Factors associated with EUGR by weight were country of origin, female gender, GA, maternal hypertension, mechanical ventilation, surfactant use, persistent ductus arteriosus, early onset sepsis, necrotizing enterocolitis and pulmonary broncho dysplasia. Factors associated with EUGR by head circumference were country of origin, female gender, GA, Fenton classification, antenatal care, maternal hypertension, mechanical ventilation, persistent ductus arteriosus, necrotizing enterocolitis and intracranial hemorrhage. Cumulative incidence of EUGR by weight decreased from 26.2% in period 2002-2006 to 23.3% in period 2007-2011 to 21.6% in period 2012-2016. Conclusion: EUGR is common in NEOCOSUR and associated with perinatal factors and country of origin. A marked decline in EUGR was demonstrated during the last years.
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