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Published on: January 29, 2018
Bone density in peripubertal boys with autism spectrum disorders
Ann M Neumeyer1, Amy Gates, Christine Ferrone
1Lurie Center for Autism, Massachusetts General Hospital and Harvard Medical School, One Maguire Road, Lexington, MA 02421, USA. aneumeyer@partners.org
Journal of Autism and Developmental Disorders
|November 6, 2012
Summary
Boys with autism spectrum disorder (ASD) have lower bone mineral density (BMD) compared to controls. This may be linked to lower vitamin D levels and reduced physical activity in children with ASD.
Area of Science:
- Pediatric Endocrinology
- Neurodevelopmental Disorders
- Orthopedics
Background:
- Autism spectrum disorder (ASD) is a neurodevelopmental condition with complex health implications.
- Bone mineral density (BMD) is crucial for skeletal health, particularly during childhood and adolescence.
- Limited research exists on skeletal health in children with ASD.
Purpose of the Study:
- To investigate differences in BMD between boys with ASD and typically developing controls.
- To identify potential factors influencing BMD in boys with ASD, such as vitamin D status and physical activity.
Main Methods:
- Dual-energy X-ray absorptiometry (DXA) was used to measure BMD in 18 boys with ASD and 19 controls aged 8-14 years.
- Assessment included dietary vitamin D intake, serum vitamin D levels, and physical activity levels.
- Statistical analyses controlled for biological maturity and body mass index (BMI).
Main Results:
- Boys with ASD exhibited significantly lower BMD Z-scores at the spine, hip, and femoral neck compared to controls.
- These differences, particularly at the hip and femoral neck, remained significant after adjusting for maturity and BMI.
- Lower vitamin D intake, reduced serum vitamin D levels, and decreased exercise activity were observed in boys with ASD.
Conclusions:
- Peripubertal boys with ASD demonstrate reduced bone mineral density.
- Impaired vitamin D status and lower physical activity levels are potential contributing factors to lower BMD in this population.
- Further research is warranted to explore interventions to improve bone health in children with ASD.
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