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Published on: July 31, 2016
Asperger syndrome: familial and pre- and perinatal factors
Christopher Gillberg1, Mats Cederlund
1Department of Child and Adolescent Psychiatry, University of Göteborg, Sweden. christopher.gillberg@pediat.gu.se
Insights
A paternal family history of autism spectrum disorder is found in about 50% of boys with Asperger Syndrome (AS). Pre- and perinatal risks are significant in approximately 25% of AS cases.
Area of Science:
- Neurodevelopmental Disorders
- Genetics and Genomics
- Pediatric Neurology
Background:
- Asperger Syndrome (AS) is a neurodevelopmental disorder.
- Understanding the etiology of AS is crucial for early diagnosis and intervention.
- Familial and environmental factors are investigated for their role in AS development.
Purpose of the Study:
- To investigate familial and pre- and perinatal factors contributing to Asperger Syndrome (AS).
- To identify potential pathogenetic subgroups within the AS population.
Main Methods:
- Retrospective review of medical records for 100 boys diagnosed with AS.
- Categorization into pathogenetic subgroups based on medical syndromes, chromosomal abnormalities, family history, and pre- and perinatal risk factors.
Main Results:
- A significant family history (paternal) of autism spectrum disorder was observed in approximately 50% of cases.
- Pre- and perinatal risk factors were implicated in about 25% of the studied AS cases.
- No major pathogenetic factors were identified in 13% of the cohort.
Conclusions:
- Paternal family history is a prominent factor in a substantial portion of Asperger Syndrome cases.
- Pre- and perinatal risks play a role in a notable percentage of AS diagnoses.
- The findings highlight the complex interplay of genetic and environmental influences in Asperger Syndrome.
Objective:
Study familial and pre- and perinatal factors in Asperger Syndrome (AS).
Methods:
One hundred boys with AS had their records reviewed. "Pathogenetic subgroups" were defined according to presence of medical syndromes/chromosomal abnormalities, indices of familiality, and pre- and perinatal risk factors predisposing to brain damage.
Results:
No major index of pathogenetic factors was found in 13%, a syndrome/chromosomal abnormality in 8%, pre- or perinatal risk 13%, combined pre- or perinatal risk and family history in 11%, and family history only in 55%.
Comment:
About 50% of all boys with AS have a paternal family history of autism spectrum disorder. Pre- and perinatal risks appear to be important in about 25% of cases.
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