Children with autism spectrum disorder (ASD) can develop symptoms before 2 years of age, and usually can be diagnosed by age 3.

But when parents who suspect autism bring their concerns to healthcare providers, too often, their child’s symptoms are dismissed.

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Responses to parental concerns can delay diagnosis

In a study published in The Journal of Pediatrics, researchers assessed how healthcare providers respond to parents’ concerns about their child’s early development, as well as how that response affected the timeliness of ASD diagnosis.

Katharine Zuckerman, MD, MPH, and colleagues from Doernbecher Children’s Hospital Oregon Health & Science University and Oregon State University used data from the 2011 Survey of Pathways to Diagnosis and Services, a nationally-representative, parent-reported survey, to examine the experiences of 1,420 children with ASD and 2,098 comparison children with nonspecific intellectual disability/developmental delay (ID/DD).

>> Autism Spectrum Disorder: Clues to a complicated condition

“We know that early identification of ASD is beneficial to children and their families,” says Dr Zuckerman. “Unfortunately, many families experience long delays between when they first have concerns and when their child gets diagnosed with ASD.”

The researchers recorded the child’s age when parents first had concerns about development, the child’s age at first discussion with a healthcare provider about the concerns, the provider’s response to the concerns, and, in children with ASD, age at diagnosis.

Parents frequently not taken seriously enough

The study authors found that parents first had concerns about ASD at about 2 years of age, compared with ID/DD at about 3 years of age; they discussed these concerns with healthcare providers at an average age of 2.3 years (for ASD) and 3.2 years (for ID/DD).

Children with ASD had 14% fewer proactive provider responses to parents’ concerns than children with ID/DD, meaning that providers were less likely to take steps like conducting developmental tests or referring to a specialist.

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>> Pediatricians may miss autism symptoms in brief checkups

Children with ASD also were more likely to have their provider reassure parents or tell them that their child will “grow out of it.” When the researchers compared children whose providers were more passive and reassuring with children whose providers were more proactive, they found that children whose providers were more passive waited longer, as much as 2 years more, to diagnose an autistic spectrum disorder.

Overall, children were not diagnosed with autism until approximately 5 years of age — almost 3 years after parents first voiced their concerns to healthcare providers.

Despite evidence suggesting that parental concerns strongly predict developmental issues, including ASD, there continues to be a long delay between initial conversations with a healthcare provider and diagnosis.

“This study implies that the behavior of healthcare providers is likely a very important factor in delayed autism identification,” notes Dr Zuckerman.

>> 10 things for parents to know after an autism diagnosis

Medical professionals may need more education and training to address and react to parental concerns, especially for ASD. Care coordination in the primary care setting may also be helpful to ensure that children with ASD receive a timely diagnosis and early therapeutic services.


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