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Related Experiment Videos

Unknown dysmorphic syndromes and development delay in Saudi Arabia.

M J Nester1, N Sakati, W Greer

  • 1King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia.

Journal of Child Neurology
|April 1, 1992
PubMed
Summary

Cognitive delay in Saudi Arabian children with unknown dysmorphic syndromes is linked to consanguinity and developmental milestones. Dysmorphic features did not correlate with cognitive function in this study.

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Area of Science:

  • Genetics
  • Developmental Pediatrics
  • Neurology

Background:

  • Unknown dysmorphic syndromes present diagnostic and counseling challenges.
  • Limited data exists on morbidity and factors influencing cognitive delay in affected children.
  • Societal implications, particularly in consanguineous populations, warrant investigation.

Purpose of the Study:

  • To investigate cognitive delay in Saudi Arabian patients with unknown dysmorphic syndromes.
  • To explore associations between cognitive function and dysmorphic features, demographics, and historical data.
  • To inform prognostication and genetic counseling for these complex cases.

Main Methods:

  • Study included 44 Saudi Arabian patients with unknown dysmorphic syndromes.
  • Cognitive delay was assessed.

Related Experiment Videos

  • Relationships between cognitive function and consanguinity, developmental milestones, electroencephalograms (EEGs), and dysmorphic feature patterns were analyzed.

    • Main Results:

    • Significant associations were identified between cognitive function and consanguinity, abnormal motor and language milestones, and abnormal EEGs.
    • No significant correlation was found between clusters of dysmorphic features and cognitive measures.
    • The study highlighted the impact on families and communities in a consanguineous society.

    Conclusions:

    • Consanguinity and early developmental abnormalities are key factors associated with cognitive delay in this cohort.
    • Dysmorphic features alone were not predictive of cognitive level.
    • Further research, including epidemiological studies, is recommended to understand these syndromes better.