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Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
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Early predictors of neurodevelopmental outcome in symptomatic congenital cytomegalovirus infection

D E Noyola1, G J Demmler, C T Nelson

  • 1Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA.

The Journal of Pediatrics
|March 10, 2001
PubMed

Insights

Neonatal microcephaly and abnormal head CT scans strongly predict poor neurodevelopmental outcomes in infants with symptomatic congenital cytomegalovirus (CMV) infection. Normal head size and CT scans suggest a better cognitive prognosis.

Area of Science:

  • Pediatrics
  • Neurology
  • Infectious Diseases

Background:

  • Congenital cytomegalovirus (CMV) infection is a leading cause of non-genetic sensorineural hearing loss and neurodevelopmental disabilities in newborns.
  • Symptomatic congenital CMV infection can lead to significant long-term neurodevelopmental deficits, impacting cognitive and motor functions.

Purpose of the Study:

  • To evaluate the predictive value of neonatal clinical, audiologic, and computed tomography (CT) findings for long-term neurodevelopmental outcomes in infants with symptomatic congenital CMV.
  • To identify early indicators that can help predict intellectual and motor disabilities in affected children.

Main Methods:

  • A longitudinal cohort study included 41 infants with symptomatic congenital CMV infection.
  • Participants underwent neurodevelopmental testing from birth through follow-up.
  • Clinical and CT scoring systems were developed and correlated with intellectual outcomes.

Main Results:

  • Microcephaly at birth was the most specific predictor of mental retardation and major motor disability.
  • Abnormalities on head CT scans were the most sensitive predictors for both mental retardation and motor disability.
  • A significant positive correlation existed between head size at birth and intelligence/developmental quotient (IQ/DQ); late-onset hearing loss correlated with lower IQ/DQ.

Conclusions:

  • Microcephaly at birth is a strong specific predictor of poor cognitive outcome in symptomatic congenital CMV infection.
  • Normal head CT findings and head circumference proportional to weight at birth are associated with good cognitive outcomes.
  • Early identification of risk factors like microcephaly and CT abnormalities is crucial for managing neurodevelopmental outcomes in congenital CMV.
Abstract

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