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Optic Nerve Atrophy in Syndromic Craniosynostosis.

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Children with syndromic craniosynostosis, particularly Apert, Crouzon, and Pfeiffer syndromes, have a significant risk of optic nerve atrophy. Chiari malformations are a key predictor, necessitating closer ophthalmologic monitoring.

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Area of Science:

  • Ophthalmology
  • Pediatric Neurosurgery
  • Medical Genetics

Background:

  • Syndromic craniosynostosis often leads to visual impairments in children.
  • Elevated intracranial pressure is hypothesized to be a primary driver of vision loss.
  • This review investigates the prevalence and predictors of optic nerve atrophy in syndromic craniosynostosis.

Purpose of the Study:

  • To determine the prevalence of optic nerve atrophy in children with syndromic craniosynostosis.
  • To identify potential predictive factors for the development of optic nerve atrophy.
  • To inform strategies for preventing vision loss in this patient population.

Main Methods:

  • Retrospective chart review of patients with syndromic craniosynostosis.
  • Analysis of ophthalmologic records for 253 patients.
  • Statistical analysis to identify correlations between clinical factors and optic nerve atrophy.

Main Results:

  • Optic nerve atrophy prevalence varied by syndrome: Apert (7.8%), Crouzon (27.9%), Pfeiffer (23.1%).
  • No atrophy was observed in Saethre-Chotzen or Muenke syndromes.
  • Chiari malformation significantly correlated with optic nerve atrophy (OR, 3.544; p = 0.002).

Conclusions:

  • Apert, Crouzon, and Pfeiffer syndromes show substantial optic nerve atrophy rates.
  • Chiari malformations are the sole significant predictor identified.
  • Increased ophthalmologic monitoring and imaging are recommended to prevent visual loss.