An Unusual Late Complication of Pulmonary Artery Banding

An unusual case is reported in which severe cyanosis developed many months following banding of the pulmonary artery. The obstruction resulted from a thrombus which originated beneath the band and eventually almost completely occluded the main pulmonary artery. The late onset of severe cyanosis following a banding procedure should suggest this rare complication and prompt definitive hemodynamic and angiographic studies.

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