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Abstract #2112

Stent effects in 2D and 4DFlow investigation: should we stop using stainless-steel stents?

Ana Beatriz Solana1, Margarita Gorodezky2, Ann Shimakawa3, Peng Lai3, and Christian Meierhofer4,5
1GE Healthcare, Munich, Germany, 2GE Healthcare, London, United Kingdom, 3GE Healthcare, Sunnyvale, CA, United States, 4German Heart Center Munich, Munich, Germany, 5TUM, Munich, Germany

Flow measurements using Phase Contrast MRI in the present of stents is of clinical relevance, especially in vessels with no alternative to measure elsewhere. Here, we evaluate 4 different stent types in a pulsatile flow phantom using both 2D and 4DFlow including different acquisition schemes for 4DFlow, e.g. 1 slab whole-volume, 1slab with reduced number of slices and multislab whole-volume. The stent made of platinum-iridium was the only stent under evaluation that allowed in-stent accurate net flow measurements for both 2D and 4DFlow (1 slab with reduced number of slices and multislab whole-volume).

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