Endoleak as a complication of endoluminal grafting of abdominal aortic aneurysms

Classification, incidence, diagnosis, and management

G. H. White*, W. Yu, J. May, X. Chaufour, M. S. Stephen

*Corresponding author for this work

    Research output: Contribution to journalReview article

    640 Citations (Scopus)

    Abstract

    The inability to obtain or maintain a secure seal between a vessel wall and a transluminally implanted intra-aneurysmal graft is a complication unique to the evolving technique of endovascular aneurysm exclusion. Because the term 'leak' has long been associated with aneurysm rupture, the term 'endoleak' is proposed as a more definitive description of this phenomenon. Embracing both persistent blood flow into the aneurysmal sac from within or around the graft (graft related) and from patent collateral arteries (nongraft related), endoreak can be classified as primary or secondary depending on the time of occurrence (within 30 days of implantation or following apparent initial seal, respectively). Diagnostic techniques to detect endoleak include arteriography, intraprocedural pressure monitoring, contrast-enhanced computed tomography, abdominal X ray, and duplex scanning. Management strategies for endoleak range from observation with periodic imaging surveillance to correction by additional endoluminal or surgical procedures. Standardization of the terminology describing this important sequela to endovascular aneurysm exclusion should facilitate uniform reporting of clinical trial data vital to the evaluation of this emerging technique.

    Original languageEnglish
    Pages (from-to)152-168
    Number of pages17
    JournalJournal of Endovascular Surgery
    Volume4
    Issue number2
    DOIs
    Publication statusPublished - 1997

    Keywords

    • Aneurysm exclusion
    • Endoluminal grafts
    • Endovascular grafting

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