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Early Hum Dev. 2001 Nov;65 Suppl:S119-32.

Neurodevelopment of neonates in neonatal intensive care units and growth of surviving infants at age 2 years.

Author information

1
Department of Paediatrics, School of Medicine, University of Granada, Spain.

Abstract

SUMMARY:

The presence of development disorders in neonates attended in a Neonatal Intensive Care Unit (NICU) is highly variable; the aim of this study, therefore, was to determine the evolution of somatic and neurosensory development in a group of neonates requiring treatment in the NICU and to analyse the perinatal and developmental aspects of children presenting abnormalities.

PATIENTS AND METHODS:

A total of 492 neonates (275 premature, 106 with birthweight < or =1500 g), who were treated in the NICU between January 1994 and December 1997, were followed-up until the age of 2 years. Data were obtained concerning birthweight, body length, head circumference, gestational age, normality of weight for gestational age, single/multiple birth, duration of stay in the NICU and the hospital, duration of mechanically assisted respiration and evolutive somatometry, neurological examination and the Brunet-Lezine development test, adjusted for the gestational age of the neonates, at 6, 12, 18 and 24 months. When abnormal results were detected, Early Attention (EA) programmes were applied.

RESULTS:

Somatometry at birth in relation to gestational age revealed a weekly weight gain of 8.6%, an increase in body length of 1% and in head circumference of 1% (p<0.001). The evolution of somatic development to the age of 2 years showed that neonates with a birthweight < or =1500 g did not reach the values of neonates with a greater birthweight. The prevalence of cerebral palsy among all neonates was 6.8%, 14.6% among those weighing < or =1500 g, 4% among those weighing 1501-2500 g and 5% among those weighing >2500 g. The overall rate of neurosensory injury was 10.5%. These neonates presented less somatic development than those did with no neurologic disorder. To sum up, most of the neonates attended in the NICU during the 1990s presented a normal pattern of development. Nevertheless, they should be the object of special attention during the first years of life, particularly those neonates with a birthweight < or =1500 g and those presenting neurosensory risk.

PMID:
11755043
DOI:
10.1016/s0378-3782(01)00214-6
[Indexed for MEDLINE]

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