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Related Experiment Videos

[The endoleak problem in endoluminal therapy].

J Link1, C Manke

  • 1Institut für Röntgendiagnostik, Universitätsklinikum Regensburg, Franz-Josef-Strauss Allee 11, 93053 Regensburg. johann.link@klinik.uni-regensburg.de

Der Radiologe
|October 12, 2001
PubMed
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Endovascular repair of aortic aneurysms frequently involves endoleaks, a complication requiring prompt diagnosis via CT angiography. Persistent endoleaks may necessitate further intervention to prevent rupture.

Area of Science:

  • Vascular Surgery
  • Interventional Radiology

Background:

  • Endovascular aneurysm repair (EVAR) using stent grafts is increasingly common for aortic aneurysms.
  • Endoleaks are the most frequent complication following EVAR, potentially leading to aneurysm enlargement and rupture.

Purpose of the Study:

  • To review diagnostic methods and treatment strategies for endoleaks after endovascular aortic aneurysm repair.
  • To discuss the management of different endoleak types and their implications.

Main Methods:

  • Review of diagnostic modalities including spiral computed tomography (CT) and angiography.
  • Analysis of treatment approaches for various endoleak types (Type I, II, III) and patent side branches.

Main Results:

  • Spiral CT with biphasic acquisition is highly sensitive for endoleak detection.

Related Experiment Videos

  • Selective angiography correctly identifies inflow/outflow in 86% of cases.
  • Secondary interventions occurred in nearly 10% annually (Eurostar study).

    • Conclusions:

    • Perigraft endoleaks require treatment; patent side branches may resolve spontaneously or require embolization if aneurysm morphology changes.
    • Type I and III endoleaks often managed with additional stent grafts or embolization.
    • Type II endoleaks necessitate embolization of inflow/outflow vessels.