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  • Title: Inexplicable late type Ia endoleak associated with the low-profile Ovation endograft in a patient with favorable neck anatomy: treatment with transcaval coil embolization.
    Author: Gandini R, Del Giudice C, Abrignani S, Vasili E, Pampana E, Simonetti G.
    Journal: J Endovasc Ther; 2015 Jun; 22(3):426-30. PubMed ID: 25862362.
    Abstract:
    PURPOSE: To report an unusual late type Ia endoleak after endovascular aneurysm repair with a low-profile sealing ring endograft and its treatment with transcaval sac embolization. CASE REPORT: An 82-year-old man was treated for a 47-mm abdominal aortic aneurysm associated with a 35-mm left common iliac artery aneurysm using an Ovation Abdominal Stent Graft System. Correct endograft placement was documented at 3-month follow-up. Seven months after the repair, the patient was admitted to the emergency department with acute left inguinal pain. Computed tomography showed aneurysm sac enlargement (57 mm) and a contained rupture of the left common iliac artery due to a late type Ia endoleak. The endoleak was embolized with coils and thrombin via a transcaval approach. Sac shrinkage without signs of endoleak was observed at 12-month follow-up. CONCLUSION: In this case, late endograft failure with sealing ring collapse created an inflow channel into the aneurysm sac, with massive type Ia endoleak.
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