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Right Coronary Artery Decompression After Extracorporeal Membrane Oxygenation Cannula Compression and Retraction

A middle-aged man with dermatomyositis-associated interstitial lung disease developed progressive hypoxia requiring venovenous extracorporeal membrane oxygenation (VV ECMO). As part of a lung transplant evaluation, he underwent left heart catheterization and coronary angiography, which showed right coronary artery (RCA) compression by the hinge point of the ECMO cannula (click Related Multimedia link). The cannula was repositioned, the RCA reopacified (Video), the patient remained hemodynamically stable without cardiac complaints, and he subsequently underwent successful lung transplant. Click the Related Article link for additional images and a full case discussion.

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