Endovascular Salvage of Type Ia and Ib Endoleaks Using a Physician-Modified Fenestrated/Branched Endograft and an Iliac Branch Device Via Unilateral Transfemoral Arterial Access

Abstract

Purpose:

This study aims to explore the feasibility and effectiveness of a unilateral transfemoral access endovascular salvage technique for complex abdominal aortic aneurysms with concurrent type Ia and Ib endoleaks following previous endovascular repair.

Case Report:

A 69-year-old female with multiple comorbidities presented with an extent IV thoracoabdominal aortic aneurysm complicated by type Ia and Ib endoleaks and chronically occluded left iliac endoprosthesis after prior endovascular repair. Given the patient’s medical complexities, open explant repair was deemed high risk. The case was successfully managed using a physician-modified fenestrated/branched endograft (PM-F/BEVAR) and an iliac branch device (IBD) deployed through a single percutaneous transfemoral access.

Conclusion:

The presented case demonstrates the safety and efficacy of PM-F/BEVAR with concomitant IBD deployment via unilateral transfemoral access. This innovative approach allows endovascular salvage in cases with restricted iliofemoral access and avoids the complexities associated with upper extremity or aortic arch manipulation. While acknowledging the technical challenges, this technique offers a viable alternative for salvaging failed endovascular repairs, emphasizing the importance of real-time modifications in achieving successful outcomes. Further studies and long-term follow-up are warranted to validate the broader applicability and durability of this approach in the management of complex abdominal aortic aneurysms with multiple endoleaks.

Clinical Impact

Although not the conventional approach, unilateral transfemoral access can be utilized to implant either a physician-modified fenestrated aortic endograft or an iliac branch device. Such an approach avoids complicating issues related to upper extremity access. This innovative technique may be necessary when there is a failed prior EVAR in the setting of significant contralateral iliofemoral occlusive disease. Doing both procedures in the same setting to resolve a type Ia and Ib endoleak is feasible as demonstrated in this case report. Expanding the endovascular armamentarium to address EVAR failure will be increasingly useful in the future, especially given the morbidity profile of EVAR explantation.

Keywords

fenestrated/branched endovascular aneurysm repair fenestrated stent graft branched stent graft physician-modified endograft iliac branch device endoleak

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