Should Metabolic Diseases Be Systematically Screened in Nonsyndromic Autism Spectrum Disorders?
2011

Screening for Metabolic Diseases in Autism Spectrum Disorders

Sample size: 274 publication Evidence: low

Author Information

Author(s): Manuel Schiff, Jean-François Benoist, Sofiane Aïssaoui, Odile Boepsflug-Tanguy, Marie-Christine Mouren, Hélène Ogier de Baulny, Richard Delorme

Primary Institution: APHP, Reference Center for Inherited Metabolic Disease, Hôpital Robert Debré, Paris, France

Hypothesis

Does routine metabolic screening provide useful information for nonsyndromic autism spectrum disorder (ASD) patients?

Conclusion

Routine metabolic screening does not significantly contribute to the diagnosis of nonsyndromic ASD and may not be more effective than careful clinical evaluation.

Supporting Evidence

  • Only 2 out of 274 patients showed abnormal metabolic parameters.
  • The prevalence of screened inherited metabolic disorders in nonsyndromic ASD is likely not higher than in the general population.
  • A careful clinical evaluation is recommended over routine metabolic screening.

Takeaway

The study looked at children with autism and found that testing for metabolic diseases didn't help much, so doctors might not need to do those tests all the time.

Methodology

Retrospective analysis of metabolic workup results in 274 nonsyndromic ASD children.

Limitations

The study's retrospective design and the limited sample size may affect the findings.

Participant Demographics

Children aged 2 to 17 years, with a majority being male (88%).

Digital Object Identifier (DOI)

10.1371/journal.pone.0021932

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