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Aortic Symposium New York 2012 „Pseudoaneurysm After Endovascular Stent Graft

Aortic Symposium New York 2012 „Pseudoaneurysm After Endovascular Stent Graft Placement for Treatment of Type B Aortic Dissection “. R.A. Jánosi, M. Bettin, T. Konorza, H. Kälsch, H. Eggebrecht, R. Erbel Department of Cardiology West German Heart Center Essen. Patient Characteristics.

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Aortic Symposium New York 2012 „Pseudoaneurysm After Endovascular Stent Graft

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  1. Aortic Symposium New York 2012 „Pseudoaneurysm After Endovascular Stent Graft Placement for Treatment of Type B Aortic Dissection“ R.A. Jánosi, M. Bettin, T. Konorza, H. Kälsch, H. Eggebrecht, R. Erbel Department of Cardiology West German Heart Center Essen

  2. Patient Characteristics

  3. Characteristics of 8 patients complicated with DPA after Endografting for Type B Dissection

  4. Distal Pseudoaneurysm Yes No Yes-censored No-censored Rate of freedom Reintervention years

  5. When passively bent at the arch, the self-expanding stent graft has the inherent tendency to spring back to its initial straight status.

  6. When passively bent at the arch, the self-expanding stent graft has the inherent tendency to spring back to its initial straight status.

  7. Conclusions • Endovascular treatment in chronic type B dissection has a high technical success rate and low mortality • Pseudoaneurysm of the thoracic aorta is a rare and potentially fatal condition • Potential mechanism: • Trauma caused by the semi-rigid stent graft • Fragility of the aortic wall and disease progression • Excessive radial force due to distal oversizing of the stent graft prosthesis to > 20% • Development of dissection-specific, less-rigid endo- prosthesis

  8. Characteristics of 8 patients complicated with DPA after Endografting for Type B Dissection

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