Published in
Elsevier, European Journal of Vascular and Endovascular Surgery, 2(53), p. 185-192
DOI: 10.1016/j.ejvs.2016.11.003
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Iliac Seal Zone Dynamics and Clinical Consequences After Endovascular Aneurysm Repair
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Nf F. Oliveira ,
M. Josee van Rijn,
Kh H. J. Ultee,
Se E. Hoeks ,
S. Ten Raa,
Rj J. Stolker,
Hj J. M. Verhagen
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Abstract
OBJECTIVE: To evaluate the dynamics of the iliac attachment zone after EVAR, and the association with clinical events. METHODS: A tertiary institution's prospective EVAR database was searched to identify common iliac arteries at risk. Internally validated measurements were made, using centre lumen line reconstructions. Iliac dilatation and endograft limb retraction were the main endpoints. Associations between dilatation, retraction, oversizing, and distal seal length were investigated. Association with clinical events (sealing or occlusion) was also explored. RESULTS: Of 452 primary EVAR patients treated from 2004 to 2012, 341 were included (mean age 72 years, 12% female, 597 common iliac arteries). Median follow-up was 4.7 years. At 30 days, the mean iliac diameter increased from 14 mm to 15 mm (p