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A169 Reconstruction of internal carotid artery with self-expanding carotid stents in patients with dissection-associated cervical pseudoaneurysms

neurintsurg · 2025-09-02 · canonical JSON source

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Introduction Cervical internal carotid artery (ICA) pseudoaneurysms are rare, typically resulting from secondary to trauma, dissection, infection, or iatrogenic injury. Pseudoaneurysms pose risks of rupture, thromboembolism, or progressive mass effect. In recent years, endovascular treatment has largely replaced open surgical repair due to its minimally invasive nature and favorable safety profile. Among endovascular options, self-expanding carotid stents provide durable vessel scaffolding while excluding the pseudoaneurysm, promoting thrombosis within the sac and restoration of vessel integrity.Aim of study To evaluate the safety and effectiveness of the endovascular treatment using self-expanding carotid stents to treat cervical ICA pseudoaneurysms.Method This single-center retrospective analysis included 14 patients who underwent elective endovascular treatment with overlapping self-expanding carotid stents for dissection-associated cervical pseudoaneurysms. All patients underwent follow-up DSA. Periprocedural and postprocedural events, aneurysm occlusion rates, need for re-treatment, and follow-up outcomes were systematically evaluated.Abstract A169 Figure 1Patient 1Results No periprocedural strokes or deaths were observed. Overlapping self-expanding carotid stents were successfully deployed in all cases, resulting in excellent ICA reconstruction and effective coverage of the pseudoaneurysms. DSA follow-up demonstrated complete occlusion of all pseudoaneurysms, with a mean time to occlusion of 3.8 months. No significant in-stent restenosis was detected. Two patients required re-treatment with additional overlapping stents due to stent dislocation.Abstract A169 Figure 2Patient 2Conclusion The use of overlapping carotid stents resulted in excellent reconstruction of the ICA, restoration of vessel integrity, and successful exclusion of the pseudoaneurysms. This technique offers a minimally invasive, safe, and effective alternative to surgical repair and other endovascular strategies, such as flow diversion or stent-assisted coiling, particularly in anatomically complex lesions.Conflict of Interest No