Experience with the GORE EXCLUDER iliac branch endoprosthesis for common iliac artery aneurysms
Steven M M van Sterkenburg1, Jan M M Heyligers2, Mathijs van Bladel1
1Department of Surgery, Rijnstate Hospital, Arnhem, The Netherlands.
Insights
The GORE EXCLUDER iliac branch endoprosthesis (IBE) shows high procedural success and patency rates for common iliac artery (CIA) aneurysms. This new device offers promising short-term outcomes with low reintervention rates.
Area of Science:
- Vascular Surgery
- Endovascular Interventions
- Aneurysm Treatment
Background:
- Common iliac artery (CIA) aneurysms pose a significant treatment challenge.
- Endovascular repair offers a less invasive approach compared to open surgery.
Purpose of the Study:
- To evaluate the procedural success and early outcomes of the GORE EXCLUDER iliac branch endoprosthesis (IBE) for CIA aneurysms.
- To assess the safety and efficacy of this novel endovascular device.
Main Methods:
- A multicenter retrospective cohort analysis involving 13 sites.
- Data from 46 patients (51 CIA aneurysms) treated with IBE between November 2013 and December 2014 were analyzed.
- Assessment included anatomic, demographic, procedural, and follow-up data.
Main Results:
- Procedural success rate was 93.5% with two type Ib endoleaks that resolved spontaneously.
- No 30-day mortality was observed; complications like buttock claudication and erectile dysfunction were infrequent.
- At 6-month follow-up, 15 out of 17 aneurysms showed a mean diameter decrease, with a 94% primary patency rate for the IBE internal component.
Conclusions:
- The GORE EXCLUDER IBE demonstrates high procedural success, excellent patency, and low reintervention rates in short-term follow-up for CIA aneurysms.
- Further prospective studies with longer follow-up are needed to define its definitive role in treatment algorithms.
Objective:
In this study, we analyzed the procedural success and early outcome of endovascular treatment of a multicenter cohort of patients with common iliac artery (CIA) aneurysms treated with the new GORE EXCLUDER (W. L. Gore & Associates, Flagstaff, Ariz) iliac branch endoprosthesis (IBE).
Methods:
A retrospective cohort analysis was performed in 13 sites in The Netherlands. Anatomic, demographic, procedural, and follow-up data were assessed from hospital records.
Results:
From November 2013 to December 2014, 51 CIA aneurysms were treated with an IBE in 46 patients. The median diameter of the treated aneurysm was 40.5 (range, 25.0-90.0) mm. The mean procedural time was 198 ± 56 minutes. All but one implantation were successful; two type Ib endoleaks were noticed, resulting in a procedural success rate of 93.5%. The two type Ib endoleaks spontaneously disappeared at 30 days. There was no 30-day mortality. Ipsilateral buttock claudication was present in only two cases at 30 days and disappeared during follow-up. The incidence of reported erectile dysfunction was low and severe ischemic complications were absent. After a mean follow-up of 6 months, data on 17 treated aneurysms were available. Two showed a stable diameter, whereas 15 showed a mean decrease of 3.9 ± 2.2 mm (P < .001). Reinterventions were performed in two patients (7.1%). The 6-month primary patency of the internal component of the IBE device was 94%.
Conclusions:
The use of the GORE EXCLUDER IBE device for CIA aneurysms is related to high procedural success, high patency rates, and low reintervention rates at short-term follow-up. Prospective data with longer follow-up are awaited to establish the role of the device in the treatment algorithm of CIA aneurysms.
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