TEVAR is durable and associated with high long-term aneurysm-related survival. Long-term imaging follow-up remains critical to identify endoleaks or rare device durability issues, most of which can be monitored or managed with endovascular therapies.
This study did not show a significant relationship between the severity of artery curvature or changes in curvature and AEs found for visceral or renal branches after F/B-EVAR for extensive TAAA. Surprisingly, the majority of AEs occurred in low- and medium-curved vessels. This study is limited in that it does not take into account other factors that may affect AEs, like motion, which would be valuable in future studies.
Patients with multiple comorbidities and those undergoing type I or II TAAA repair are at greatest risk of mortality; however, in this high-risk population, F/B-EVAR offers greater survival compared with that reported for the natural history of untreated aneurysms. Operative and early mortality is lower than the best-reported open repair outcomes, even in this high-risk population, suggesting a potential benefit in extending the use of F/B-EVAR to low-to-average risk CAA patients.
EVAR of infrarenal AIAs with preservation of antegrade flow to the IIA using IBDs is feasible with long-term sustained durability. Serious considerations should be given to the use of IBDs in patients with infrarenal AIAs meeting appropriate anatomic criteria.
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