Why the study?
Does TEVAR with proximal landing in Zone 0 prevent the bird-beak phenomenon and late type Ia endoleaks compared to Zones 1 and 2 in patients undergoing aortic arch TEVAR?
Does TEVAR with proximal landing in Zone 0 prevent the bird-beak phenomenon and late type Ia endoleaks compared to Zones 1 and 2 in patients undergoing aortic arch TEVAR?
Zone 0 landing for TEVAR in the aortic arch may be advantageous for preventing late type Ia endoleaks and bird-beak configurations compared to landing in zones 1 and 2.
May support zone 0 landing to reduce late arch TEVAR complications; hypothesis-generating and requires randomized confirmation.
Early and most late results in zone 0 TEVAR were equal to those in zones 1 and 2; however, there were no late type Ia endoleaks and fewer bird-beak configurations associated with zone 0 TEVAR, which suggests that zone 0 landing is advantageous for preventing these complications.
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Kudo et al. (2020) studied this question.
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