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Transcatheter ASD closure — RACP Paediatrics MCQ

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ModerateCardiologyTranscatheter ASD closureRACP Paediatrics

A 6-year-old has a moderate secundum ASD (Qp:Qs 2:1) with RV volume overload on echocardiography. The defect has adequate rims for device closure. What is the preferred intervention?

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Correct answer: C — Transcatheter ASD closure

Transcatheter device closure is the preferred method for suitable secundum ASDs (adequate rims, appropriate size). It is less invasive than surgical closure with shorter hospital stay and equivalent outcomes. Patients require aspirin for 6 months and endocarditis prophylaxis for 6 months post-device. Unsuitable defects (insufficient rims, primum ASD, sinus venosus ASD) require surgical closure.

Reference: RCH Melbourne – 2023 – ASD CPG; RACP Paediatric Curriculum – Cardiology