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2015, Number 2

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Arch Inv Mat Inf 2015; 7 (2)

Morbidity and mortality of the late preterm newborn

Valdés VNO, Valdés LA, García RJF

Language: Spanish
References: 36
Page: 69-76
PDF size: 107.43 Kb.


ABSTRACT

Introduction: The rate of prematurity has increased more than 30% over the past two decades due to a sharp increase in late preterm newborn; this group constitutes 8.3% of all births. Late preterm newborn is defined as a late preterm birth between 34 and 36.6 weeks of gestation. Objective: Identify the morbidity, mortality and associated risk factors of late preterm newborn entering the service of Neonatology at the Hospital para el Niño, IMIEM. Material and methods: Retrospective, observational, analytical and cross-sectional study. Electronic medical records of late preterm newborn from January 1st to December 31st, 2013 were reviewed. Results: During 2013, 406 newborns were admitted, of which 52 corresponded to the group of late preterm newborn. Risk factors associated with morbidity and mortality were use of central venous access (40%), mechanical ventilation late preterm newborn (36%) and maternal age between 21 and 25 years (35%). The most common causes of morbidity were hyperbilirubinemia (29%) and respiratory disease (21%). Six infants died, for a mortality rate of 14.7%. Conclusions: The prevalence was greater than that reported internationally (13 versus 8.3%). In relation to the mortality, 14.7% was obtained; the literature reports rates of 4.7% to 19.7%; it should be noted that some of the conditions presented by our patients differ from those reported in other studies (congenital pathology and surgical sepsis). Hyperbilirubinemia remains the most frequent diagnosis, and it is a complication that is directly related to mortality, (19.3%). The late preterm newborn are a high risk group and must, therefore, not be considered as «near term» infants; they warrant close monitoring from the moment of birth and thereafter, because —as shown in the study— they have a high morbidity and mortality.


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