Related Experiment Videos
Infants with birth weight under 1500 g: physical, neurological, and developmental outcome
Insights
This study followed 178 infants born with low birth weights, finding that while birth asphyxia impacted outcomes, most infants achieved normal neurological and developmental milestones. Overall outcomes were favorable, even for those requiring ventilation.
Area of Science:
- Neonatalogy
- Pediatric Neurology
- Developmental Pediatrics
Background:
- Infants born with very low birth weights (VLBW) face significant risks.
- Maternal complications and perinatal events can impact infant outcomes.
- Long-term physical, neurological, and developmental assessments are crucial for VLBW infants.
Purpose of the Study:
- To evaluate the physical, neurological, and developmental outcomes of infants born with birth weights <= 1500 g.
- To identify factors correlating with poor outcomes in this cohort.
- To assess the long-term prognosis for VLBW infants, including those requiring ventilatory support.
Main Methods:
- Longitudinal follow-up of 178 infants born between 1973-1975 with birth weights <= 1500 g.
- Assessment of physical, neurological, and developmental status over 1-3 years.
- Correlation analysis of perinatal factors (maternal problems, asphyxia, neonatal complications, ventilation) with outcomes.
Main Results:
- Maternal problems did not correlate with infant outcomes.
- Birth asphyxia and neonatal complications requiring ventilatory assistance significantly correlated with poor outcomes.
- Infants < 1000 g birth weight requiring ventilation had outcomes comparable to those weighing 1001-1500 g.
- Neurological abnormalities were associated with deficits in growth, vision, hearing, and development; spastic quadriplegia was most common.
- Despite perinatal issues, 82% were neurologically normal and 66% developmentally normal.
Conclusions:
- Birth asphyxia and need for ventilation are key predictors of adverse outcomes in VLBW infants.
- Even with significant perinatal challenges and ventilation needs, a majority of VLBW infants achieve favorable neurological and developmental outcomes.
- Long-term follow-up confirms a generally positive prognosis for VLBW infants, underscoring the importance of neonatal care and support.
Abstract:
One hundred and seventy-eight infants with birth weights less than or equal to 1500 g born in 1973-1975 were followed for a period of 1-3 years, and the physical, neurological, and developmental outcome evaluated. Although there was a high incidence of maternal problems, these did not correlate with outcome. Asphyxia at birth followed by neonatal complications leading to ventilatory assistance was significantly correlated with poor outcome. Over 50% of infants less than 100 g birth weight required assisted ventilation, but the outcome in small ventilated infants was comparable to that of ventilated infants of 1001-1500 g birth weight. Infants with neurological abnormality showed a high incidence of associated abnormalities in growth, vision, hearing, and development. Spastic quadriplegia emerged as the most common neurological diagnosis. Despite the many perinatal problems, 82% of the group were normal neurologically and 66% developmentally. The overall outcome was generally favorable in these infants even for those requiring ventilation.