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Abstract #2114

4D Flow MRI reveals abnormal turbulent kinetic energy elevation of the replacement aorta for the aortic dissection

SAYAKA SHIRAI1, Tetsuro Sekine1, Kenichiro Takahashi1, Jiro Kurita1, Tetsuro Morota1, Takashi Morota1, and Shinichiro Kumita1
1Nippon Medical School Hospital, Tokyoto Bunkyoku, Japan

The purpose of this study was to evaluate turbulent kinetic energy (TKE) after aorta replacement (AoR) using 4D Fow MRI. We recruited 13 patients undergoing AoR for the aortic dissection and 9 normal volunteers. The TKEpeak of AoR group was significantly higher than those of volunteers (16.09 ± 7.75 [3.51–31.83] mJ vs. 4.50 ± 1.64 [2.57–8.13] mJ, p < 0.001). The TKE elevation was mainly derived from the distal part of ReAo (p=0.001).

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