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ALCAPA (Anomalous Left Coronary Artery from the Pulmonary Artery) Post-Reanastomosis

Imaging findings

Thrombosis of the re-implanted left main coronary artery in the setting of persistent, massive collateral flow.

Key takeaways

In ALCAPA repairs, competing flow from robust collaterals can lead to the thrombosis of the newly implanted artery; however, cardiac function may remain preserved due to the collaterals.

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