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Abstract #2069

Initial Study on Coronary MRI at 3T in the Presence of Resorbable Magnesium Scaffolds

Simon Reiss1, Axel Joachim Krafft1, Sarah Schmidt2, Timo Heidt2, Constantin von zur Mühlen2, and Michael Bock1

1Department of Radiology, Medical Physics, Medical Center University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany, 2Department of Cardiology and Angiology I, Heart Center Freiburg University, Faculty of Medicine, University of Freiburg, Freiburg, Germany

Coronary MRI allows for the assessment of vascular patency and thus is a desirable imaging tool for the follow-up of vascular patency after percutaneous coronary interventions in which stenosis are treated with stents. We show that, coronary MR in the presence of recently introduced resorbable magnesium scaffold seems not feasible for the detection of in-stent restenosis within the first year post-intervention as signal voids caused by the scaffold may be miss-interpreted as stenosis. However, coronary MRI provides a valuable tool to further study the resorption process of magnesium scaffolds and to visualize the artery after complete resorption of the scaffold.

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