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Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
Published on: October 20, 2017
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Interventional embolization therapy for anterior choroidal artery aneurysms.
Xiyong Hu1, Weina Xu2, Wei Li1
1Department of Neurosurgery, Weifang People's Hospital, Shandong Second Medical University, Weifang, China.
Medicine
|November 20, 2025
Summary
Interventional embolization using stent-assisted coiling is effective for wide-necked anterior choroidal artery aneurysms (AchANs). Maintaining anterior choroidal artery patency is key to successful treatment and minimizing complications like cerebral infarction.
Area of Science:
- Neurosurgery
- Interventional Neuroradiology
- Vascular Neurology
Background:
- Anterior choroidal artery aneurysms (AchANs) present unique challenges due to their location and wide necks.
- Interventional embolization offers a minimally invasive alternative to open surgery for treating these aneurysms.
Purpose of the Study:
- To evaluate the clinical efficacy and surgical techniques of interventional embolization for AchANs.
- To assess outcomes and complications associated with stent-assisted coil embolization in AchAN treatment.
Main Methods:
- Retrospective analysis of 25 patients with AchANs treated between October 2021 and May 2024.
- All patients underwent stent-assisted coil embolization, with a focus on maintaining anterior choroidal artery patency.
Main Results:
- Successful subtotal embolism was achieved in all 25 patients.
- Three patients experienced transient choroidal artery thrombosis or spasm, managed with tirofiban, leading to temporary hemiparesis in all three, with one showing symptom improvement.
Conclusions:
- Stent-assisted coil embolization is a viable and effective treatment for wide-necked AchANs.
- Careful management of anterior choroidal artery patency during intervention is critical for optimizing outcomes and preventing neurological deficits.
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