Classification of endoleaks
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Endoleaks occur when an aneurysmal sac continues to be pressurised despite endoluminal stent placement. See the full article on endoleaks here.
Classification
There are five types:
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type I: leak at graft ends (inadequate seal) - most common after repair of thoracic aortic aneurysms 4
- Ia: proximal
- Ib: distal
- Ic: iliac occluder
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type II: sac filling via branch vessel (e.g. lumbar or inferior mesenteric artery)
- most common after repair of abdominal aortic aneurysms 4 (80%)
- sometimes referred to as a "retroleak"
- enthusiastic examiners sometimes ask for the eponymous name of the large collateral artery between the IMA and SMA = Riolan's arch
- most spontaneously resolve and require no treatment
- IIa: single vessel
- IIb: two vessels or more
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type III: leak through a defect in graft fabric (mechanical failure of graft)
- IIIa: junctional separation of the modular components
- IIIb: fractures or holes involving the endograft
- type IV: a generally porous graft (intentional design of graft)
- type V: endotension
-<p><strong>Endoleaks</strong> occur when an aneurysmal sac continues to be pressurised despite endoluminal stent placement. See the full article on endoleaks <a title="Endoleak" href="/articles/endoleak">here</a>.</p><h4>Classification</h4><p>There are five types:</p><ul>- +<p><strong>Endoleaks</strong> occur when an aneurysmal sac continues to be pressurised despite endoluminal stent placement. See the full article on endoleaks <a href="/articles/endoleak">here</a>.</p><h4>Classification</h4><p>There are five types:</p><ul>
Images Changes:
Image 1 Diagram (Endoleaks schematic classification) ( update )
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Figure 1: endoleak classification
Image 2 Diagram ( create )
Image 6 CT (Arterial Phase) ( update )
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