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Predictive value of assessment of general movements for neurological development of high-risk preterm infants:
1Center for Children with Developmental Disabilities, Dispensary for Children, Maribor Public Health Center, Vosnjakova 2-4, 2000 Maribor, Slovenia. polona.seme@email.si
Insights
General movement assessment accurately predicts neurological development in high-risk preterm infants. This method shows superior predictive value compared to traditional neurological exams for identifying potential developmental impairments.
Area of Science:
- Neonatal neurology
- Developmental pediatrics
- Movement analysis
Background:
- High-risk preterm infants face increased risks of impaired neurological development.
- Early and accurate prediction of neurological outcomes is crucial for timely intervention.
- Traditional neurological examinations have limitations in predicting long-term neurodevelopmental trajectories.
Purpose of the Study:
- To evaluate the predictive capability of general movements assessment in high-risk preterm infants.
- To compare the efficacy of general movements assessment with classical neurological examinations.
- To determine the value of fidgety movements in predicting later neurological status.
Main Methods:
- 120 high-risk preterm infants and 112 controls were studied.
- General movements assessment (fidgety character) was longitudinally compared with neurological exams until corrected age of two years.
- Standardized neurological examinations and specialist developmental monitoring were employed.
Main Results:
- Normal fidgety movements predicted normal neurological outcome in 97% of high-risk preterm infants.
- Abnormal or absent fidgety movements predicted abnormal neurological outcome in 81% of cases.
- General movement assessment demonstrated superior validity (92%), sensitivity (94%), specificity (92%), positive predictive value (81%), and negative predictive value (98%) compared to classical neurological examination.
Conclusions:
- General movement assessment is a highly effective tool for predicting neurological development in high-risk preterm infants.
- This method significantly outperforms classical neurological examinations in predictive accuracy.
- Utilizing general movement assessment can lead to earlier identification of infants requiring developmental support.
Aim:
To assess the predictive value of normal, abnormal, or absent general movements in high-risk preterm infants for the later neurological development.
Methods:
The study involved 120 high-risk preterm infants (gestational age, < or =37 weeks) having at least three or more antenatal, perinatal, or neonatal risk factors for impaired neurological development, and 112 age-matched controls. The method of general movements of fidgety character assessment was compared with classical neurological examinations performed longitudinally until the corrected age of two years. The age-adequate neurological examinations based on the criteria by Amiel-Tison and Grenier and Illingworth were used. Specialists in clinical psychology also monitored the child's development. The results of specialists' examinations were taken into account.
Results:
Out of 83 high-risk preterm infants with normal fidgety movements, 81 (97%) had a normal neurological outcome. Abnormal or absent fidgety movements were followed by abnormal neurological outcome in 30 (81%) out of 37 infants. Cerebral palsy was diagnosed in 13 children, mental retardation in one, whereas 16 children had both cerebral palsy and mental retardation. The validity of the general movement assessment was 92%, sensitivity 94%, specificity 92%, positive predictive value 81%, and negative predictive value 98%. These values were better than those of the classical neurologic examination (60%, 97%, 43%, 44%, and 97%, respectively).
Conclusion:
The method of general movement assessment had significantly better validity, sensitivity, specificity, positive, and negative predictive value than classical neurological examination of high-risk preterm infants.
