Plain Radiographic Surveillance of Abdominal Aortic Stent-Grafts: The Liverpool/Perth Protocol

Micheal Murphy, Richard Hodgson, Peter L. Harris, Richard G. McWilliams, David E. Hartley, Michael M D Lawrence-Brown

    Research output: Contribution to journalArticlepeer-review


    Purpose: To present a protocol for plain radiographic surveillance of abdominal aortic stent-grafts that addresses the main variables in need of standardization: (1) patient position, (2) radiographic centering point, and (3) focus-to-film distance. Technique: Our policy is to perform baseline anteroposterior and lateral films following endoluminal grafting and repeat the studies annually. These are the most important films to assess migration and component separation; supplementary right and left posterior oblique radiographs may help identify wireform fractures. It is best to perform radiography before computed tomography if both tests are scheduled for the same day, as excretion of intravenous contrast opacifies the renal collecting systems and interferes with radiographic analysis. Conclusions: Evaluation of the radiographs depends on the design of the stent-graft, so it is important to understand graft construction and the position of the radiopaque markers to best assess changes on follow-up films.
    Original languageEnglish
    Pages (from-to)911-912
    Number of pages1
    JournalJournal of Endovascular Therapy
    Issue number5
    Publication statusPublished - Oct 2003


    • Aortic aneurysm
    • Radiography
    • Stent-graft
    • Surveillance


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