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J Child Neurol. 2008 Jan;23(1):6-13. Epub 2007 Dec 3.

Autism spectrum disorders: concurrent clinical disorders.

Author information

1
Department of Neuroscience, University of Medicine and Dentistry, New Jersey Medical School, Newark, NJ, USA. mingxu@umdnj.edu

Abstract

Individuals with autism spectrum disorder are heterogeneous in clinical presentation, concurrent disorders, and developmental outcomes. This study characterized the clinical co-occurrences and potential subgroups in 160 children with autism spectrum disorders who presented to The Autism Center between 1999 and 2003. Medical and psychiatric co-occurrences included sleep disorders, epilepsy, food intolerance, gastrointestinal dysfunction, mood disorder, and aggressive and self-injurious behaviors. Sleep disorders were associated with gastrointestinal dysfunction (P < .05) and mood disorders (P < .01). Food intolerance was associated with gastrointestinal dysfunction (P = .001). Subjects with mood disorder tended to develop aggressive or self-injurious behaviors (P < .05). Developmental regression was not associated with increased co-occurrence of medical or psychiatric disorders. Medical co-occurrence did not present as a risk factor for psychiatric co-occurrence, and vice versa. These results showed a high prevalence of multiple medical and psychiatric co-occurrences. There may be common pathophysiologic mechanisms resulting in clinical subgroups of autism spectrum disorders. Recognition of the co-occurrence of concurrent disorders may provide insight into the therapeutic strategy.

PMID:
18056691
DOI:
10.1177/0883073807307102
[Indexed for MEDLINE]

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