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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