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. 2020 Jun/Jul;41(5):397-405.
doi: 10.1097/DBP.0000000000000782.

Scurvy as a Sequela of Avoidant-Restrictive Food Intake Disorder in Autism: A Systematic Review

William G Sharp  1   2 , Rashelle C Berry  2 , Lindsey Burrell  1   2 , Lawrence Scahill  1   2 , Barbara O McElhanon  1   2
Affiliations

Scurvy as a Sequela of Avoidant-Restrictive Food Intake Disorder in Autism: A Systematic Review

William G Sharp et al. J Dev Behav Pediatr. 2020 Jun/Jul.

Abstract

Objective: To document the clinical presentation of scurvy in children with autism spectrum disorder (ASD) and summarize the contemporary approaches to assessment and management in this population. Scurvy is a disease caused by vitamin C deficiency most often detected in populations at high risk for nutrition insufficiency (e.g., extreme poverty). Children with ASD and severe food selectivity consistent with avoidant-restrictive food intake disorder may also be at risk for scurvy.

Method: We searched MEDLINE, CINAHL, and PsycINFO databases (1990-2018) in peer-reviewed journals for studies of children with ASD and scurvy. Inclusion criteria required confirmed diagnosis of ASD and scurvy in children (birth to 18 years) with a clear description of restrictive dietary patterns. Cases of scurvy due to other causes were excluded. We used a standardized protocol to independently code information; agreement between coders was high.

Results: The systematic search identified 20 case reports involving 24 children (mean age = 9 ± 3.5; 22 boys/2 girls). The eventual diagnosis of scurvy followed a wide range of negative diagnostic testing; treatment with ascorbic acid and/or a multivitamin resulted in rapid improvement.

Conclusions: Symptoms of scurvy mimic other pediatric conditions (e.g., cancer). The range of diagnostic testing increased costs and healthcare risks (radiation, sedation) and delayed the diagnosis of scurvy. In children with ASD and severe food selectivity, a nutrition evaluation and laboratory testing are warranted before a more elaborate testing.

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References

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