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Related Experiment Videos

Dandy-Walker syndrome revisited.

B L Maria1, S J Zinreich, B C Carson

  • 1Department of Neurology, Johns Hopkins Medical Institutions, Baltimore, Md.

Pediatric Neuroscience
|January 1, 1987
PubMed
Summary
This summary is machine-generated.

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Dandy-Walker syndrome outcomes are better than previously thought. Many infants diagnosed early, without major abnormalities, achieve normal development and attend regular schools.

Area of Science:

  • Neurology
  • Pediatrics
  • Developmental Biology

Background:

  • Dandy-Walker syndrome is often associated with severe intellectual and motor deficits.
  • This perception has led to recommendations for termination of affected fetuses.
  • Previous studies reported a poor prognosis for Dandy-Walker syndrome.

Purpose of the Study:

  • To re-evaluate the prognosis of Dandy-Walker syndrome.
  • To assess neurodevelopmental outcomes in patients with Dandy-Walker syndrome.
  • To challenge the notion that termination is always warranted.

Main Methods:

  • Retrospective review of 19 patients diagnosed with Dandy-Walker syndrome between 1966 and 1983.
  • Analysis of neurodevelopmental outcomes based on age at diagnosis and presence of associated abnormalities.

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  • Long-term follow-up data (mean 10 years) for patients diagnosed before 6 months of age.

    • Main Results:

    • In patients diagnosed before 6 months without major associated abnormalities, 88% (7/8) functioned well and attended regular schools.
    • None of these well-functioning patients had significant motor disability.
    • Patients diagnosed after 6 months of age had an 83% (5/6) normal outcome.
    • Conversely, 75% (3/4) of patients with Dandy-Walker-associated abnormalities experienced severe intellectual retardation and cerebral palsy.

    Conclusions:

    • The prognosis for Dandy-Walker syndrome, particularly in the absence of other major anomalies, is significantly better than previously reported.
    • Early diagnosis and management, especially in cases without associated abnormalities, can lead to favorable neurodevelopmental outcomes.
    • These findings suggest a more nuanced approach to pregnancy termination decisions for Dandy-Walker syndrome.