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Abstract #2063

TKE measurement based on 4D Flow MRI can predict distal aortic expansion after artificial blood vessel replacement for type A aortic dissection

SAYAKA SHIRAI1, Tetsuro Sekine1, Kenichiro Takahashi1, Jiro Kurita1, Yosuke Ishii1, and Shinichiro Kumita1
1Nippon Medical School Hospital, Tokyoto Bunkyoku, Japan

To investigate whether turbulent kinetic energy measurement around anastomosis can be used as a predictor for residual aortic expansion after aortic replacement for type A aortic dissection. The TKEpeak of AoR group was significantly higher than those of volunteers (15.12 ± 7.06 [3.51–28.38] vs. 4.50 ± 1.64 [2.57–8.13] mJ, p < 0.001). There was a strong correlation between the annual expansion rate and distal TKEpeak (R²=0.818).

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