Related Experiment Videos
The Scottish low birthweight study: I. Survival, growth, neuromotor and sensory impairment
Insights
This study followed 908 low birth weight infants. At 4.5 years, 16% had disabilities, including cerebral palsy, blindness, and deafness, with neuromotor issues prevalent.
Area of Science:
- Neonatalogy
- Developmental Pediatrics
- Public Health
Background:
- Extremely low birth weight (ELBW) infants (<1750 g) face significant risks for developmental impairments.
- Longitudinal follow-up is crucial for understanding the long-term outcomes of ELBW survivors.
- Prevalence data on neuromotor and sensory disabilities in this population are essential for targeted interventions.
Purpose of the Study:
- To document survival rates of ELBW infants born in Scotland in 1984.
- To determine the prevalence of neuromotor and sensory impairments and disability at 4.5 years of age.
- To investigate the relationship between birth weight and developmental outcomes.
Main Methods:
- Prospective cohort study enrolling 99% of livebirths weighing <1750 g in Scotland in 1984.
- Follow-up assessment at 4.5 years of age for survival and detailed neuromotor and sensory evaluations.
- Analysis of growth measures and height distribution in relation to birth weight.
Main Results:
- Of 908 ELBW infants, 636 (71%) survived to 4.5 years, with 611 assessed.
- Overall disability prevalence was 16%, including cerebral palsy (52.5/1000), blindness (7.8/1000), and deafness (12.3/1000).
- Poor neuromotor competence was common among non-overtly disabled children and linked to birth weight; growth measures showed a downward shift related to birth weight.
Conclusions:
- ELBW infants exhibit a high prevalence of disability and neuromotor impairments at preschool age.
- Birth weight is a significant factor influencing both growth and neurodevelopmental outcomes in this cohort.
- These findings underscore the need for continued monitoring and support for ELBW survivors.
Abstract:
Of all 908 livebirths weighing less than 1750 g at birth who were born in Scotland in 1984, 896 (99%) were enrolled in a prospective study to document survival and determine the prevalence of neuromotor and sensory impairments and disability. At the age of 4.5 years, 636 (71%) had survived and 611 (96%) were assessed. Overall 16% were disabled; 47 had cerebral palsy (52.5/1000 livebirths), seven were blind (7.8/1000 livebirths), and 11 were deaf and using aids (12.3/1000 livebirths). Among those not overtly disabled, the prevalence of poor neuromotor competence was high and related to birth weight. All growth measures had mean values below the standard population mean indicating a downward shift in the distribution which was related to birth weight. In addition the height distribution was negatively skewed.