Clinical Scorecard: Discussion: Evaluating Autism Screening and Diagnosis in Pediatric Patients with Congenital Heart Defects

At a Glance

Key Highlights

• 14.6% of screened children tested positive for autism; 11.7% received a diagnosis.
• Rates of autism diagnosis in this cohort exceed general population estimates by more than threefold.
• High specificity and negative predictive value compared to other high-risk cohorts.
• Challenges in distinguishing autism from other developmental impairments in children with CHD.
• Public insurance status may influence autism diagnosis but is not a universal socioeconomic proxy.

Guideline-Based Recommendations

Diagnosis

• Comprehensive evaluation by developmental pediatricians, psychologists, or child psychiatrists is necessary for autism diagnosis.

Management

• Structured developmental surveillance should be integrated into follow-up care for children with CHD.

Monitoring & Follow-up

• Regular follow-up assessments are recommended to monitor cognitive and developmental impairments.

Risks

• Increased operative complexity and hypoxic ischaemic exposure may be risk factors for autism.

Patient & Prescribing Data

Children with congenital heart defects who have undergone cardiac surgery.

Referral capacity for developmental evaluation is critical following positive screening results.

Clinical Best Practices

• Utilize standardized observational tools for autism diagnosis.
• Ensure comprehensive follow-up care that includes developmental assessments.
• Be cautious of verification bias in screening outcomes.

Related Resources & Content

• Ontiveros Perez et al., 2026