Becker D, Ali A, Prendes C, Stavroulakis K, Stana J, Tsilimparis N. Physician Modification of a Custom-Made Fenestrated Endograft By Closure of a Fenestration With Bovine Patch.
J Endovasc Ther 2023:15266028231187749. [PMID:
37464749 DOI:
10.1177/15266028231187749]
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Abstract
PURPOSE
Ruptured mycotic pararenal aortic aneurysms are rare and serious condition that requires prompt treatment. Open surgery with aortic resection and in-situ or extra-anatomic reconstruction is the standard treatment. The aim of this technical note is to report urgent endovascular treatment using a readily available custom-made device (created for another patient), with a back-table modification using pericardium patch and a new fenestration.
TECHNIQUE
In preoperative measurements on centerline-based workstation, aortic diameter in proximal and distal landing zone and target vessel position matched the measurements of graft plan of custom-made device (CMD) besides left renal artery. To address current patient`s anatomy, closure of the nonsuitable fenestration with pericardial patch and creation of new fenestration (1 cm above and 1:15 hours posterior to original fenestration) for the respective target vessel have been performed. Postoperative computed tomography angiography (CTA) scan showed complete exclusion of aneurysm, perfused target vessels, and no endoleak. Under resistance-based antibiotic therapy, the patient was asymptomatic and showed normal infection parameters in blood samples postoperatively.
CONCLUSION
In the hands of an experienced endovascular aortic surgeon modification of a custom-made device is a quick and feasible technique in this emergency situation. Long-term follow-up must confirm the durability and reliability of this new technique.
CLINICAL IMPACT
The described technique of modification of a custom-made endograft can provide an alternative endovascular treatment option for urgent complex abdominal aortic pathologies. Compared to the current available treatment modalities, like physician modified endografts, off-the-shelf branched devices, parallel grafts and in-situ fenestration, it can save considerable time and provides reasonable sealing in ruptured cases. The technique offers a valuable add-on to the armamentarium of experienced endovascular physicians.
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