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Right Coronary Artery Compression By an Extracorporeal Membrane Oxygenation Cannula

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. The cannula was repositioned, and the patient remained hemodynamically stable without cardiac complaints. He subsequently underwent successful lung transplant. Click the Related Article for additional images and a full case discussion.

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