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Clinical report demonstrates staged palliation in a neonate with atypical common arterial trunk, indicating that restoring pulmonary flow enables successful complete repair.
A neonate with common arterial trunk presented with severe cyanosis rather than pulmonary overcirculation. Echocardiography, cardiac CT, catheterisation, and surgery showed a pulmonary trunk arising from a truncal valvar sinus, with systolic obstruction by a dysplastic truncal cusp. Staged palliation restored antegrade pulmonary flow, allowed pulmonary arterial growth, and enabled successful complete repair.
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Hereau et al. (2026) studied this question.
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