AVSD in Down Syndrome — RACP Paediatrics MCQ

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HardCardiologyAVSD in Down SyndromeRACP Paediatrics

An 8-month-old with Down syndrome has a large AVSD. At what age does pulmonary vascular disease become irreversible in this population?

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Correct answer: E — 6-12 months

Children with Down syndrome develop pulmonary vascular disease earlier. If not repaired by 6-12 months, irreversible pulmonary hypertension may develop.

Reference: RCH Melbourne – 2024 – Clinical Practice Guidelines: Atrioventricular Septal Defect