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Published on: October 1, 2017
Endovascular treatment of iliac aneurysms with covered stents
F Cormier1, A Al Ayoubi, D Laridon
1Service de Chirurgie, Cliniques de la Défense, Nanterre, et Bizet, Paris, France.
Insights
Endovascular repair of iliac aneurysms using covered stents shows high technical success. However, this endovascular treatment often necessitates exclusion of the internal iliac artery.
Area of Science:
- Vascular Surgery
- Interventional Radiology
- Endovascular Therapy
Background:
- Iliac aneurysms pose a significant risk of rupture and complications.
- Endovascular techniques offer a less invasive alternative to open surgical repair.
- Covered stents provide a reliable method for aneurysm exclusion.
Purpose of the Study:
- To evaluate the outcomes of endovascular treatment for iliac aneurysms using covered stents.
- To assess the technical success and complication rates associated with this procedure.
- To analyze the impact on internal iliac artery patency.
Main Methods:
- Retrospective analysis of 34 iliac aneurysms treated with covered endovascular stents.
- Inclusion of isolated, post-aortic repair, and false anastomotic aneurysms.
- Evaluation of stent deployment success, aneurysm exclusion, and procedure duration.
Main Results:
- High technical success rate (97.6%) with successful aneurysm exclusion in all cases.
- Mean procedure time was 45 minutes.
- Internal iliac artery patency was preserved in only 4 cases, with exclusion in 24 cases.
Conclusions:
- Endovascular treatment of iliac aneurysms with covered stents yields good short- and middle-term results.
- This approach typically requires exclusion of the internal iliac artery.
- Covered stents are an effective option for managing complex iliac artery pathologies.
Abstract:
The purpose of this retrospective, single-institution study was to analyze the results of endovascular treatment of iliac aneurysm using covered stents. Since January 1, 1996, a total of 34 iliac aneurysms have been treated with covered endovascular stents. The series included 9 isolated aneurysms, 29 aneurysms following repair of aortic aneurysm, and 3 false anastomotic aneurysms. The mean diameter of aneurysm was 42 mm (range, 21 to 120 mm). The aneurysm was either symptomatic or complicated in 11 cases. Three procedures were carried out under emergency conditions after acute rupture. Stent deployment was successful in 33 cases (technical success rate, 97.6%). Exclusion of the aneurysm was obtained in all cases with one (n = 26) or two overlapping (n = 7) covered stents. Mean procedure duration was 45 min (range, 25 to 75 min). The internal iliac artery was patent in 28 cases, but patency was preserved in only 4 cases. In the remaining 24 cases the internal iliac artery was excluded either preoperatively by embolization using Gianturco coils (n = 15) or intraoperatively by placement of the stent (n = 9). Endovascular treatment of iliac aneurysm with covered stents achieves good short- and middle-term results but usually requires exclusion of the internal iliac artery.
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