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Geragotellis et al. Vessel Plus 2023;7:6 https://dx.doi.org/10.20517/2574-1209.2022.41 Page 9 of 12
Figure 2. FL thrombosis rate of patients in the Z-2-FET and Z-3-FET groups at the midterm follow-up. (A) Segment A; (B) segment B;
and (C) segment C. Reproduced from Panfilov et al. with copyright permission obtained (from Oxford University Press) [31] . FET: frozen
elephant trunk
CONCLUSION
FET can be considered the primary choice for TAR due to its optimal clinical outcomes. Performing Z-2-
FET seems to yield more favourable results than Z-3-FET, which can be attributed to the reduced operative
times, including CPB duration, due to the ease and increased surgical site exposure at the aortic arch. The
prospect of Z-0-FET is highly promising, but its superiority over Z-2-FET is yet to be proven.
