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Laser-cut stent-assisted coil embolization for basilar apex aneurysms: a retrospective single-center study
Chuanfu Chen1, Lingfeng Lai1, Jierong Zou1
1Department of Neurosurgery, the 1st Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China.
Clinics (Sao Paulo, Brazil)
|May 28, 2026
Summary
Laser-cut Stent-Assisted Coil Embolization (SACE) for Basilar Apex Aneurysms (BAAs) demonstrated 100% procedural success. This technique offers favorable early angiographic and clinical outcomes for treating complex BAAs.
Area of Science:
- Neurosurgery
- Interventional Neuroradiology
- Vascular Neurology
Background:
- Basilar Apex Aneurysms (BAAs) pose significant treatment challenges.
- Stent-Assisted Coil Embolization (SACE) is an endovascular technique used for complex aneurysms.
- Laser-cut stent technology offers potential advancements in SACE.
Purpose of the Study:
- To evaluate the procedural and early outcomes of laser-cut SACE for Basilar Apex Aneurysms (BAAs).
- To assess the safety and efficacy of this technique in a single institution.
Main Methods:
- Retrospective review of 43 patients with BAAs (ruptured and unruptured) treated with laser-cut SACE.
- Data collected included procedural success, angiographic occlusion (immediate and 6-month), periprocedural complications, and 3-month clinical status (mRS).
- Treatment strategies and stent types were determined by operator discretion.
Main Results:
- 100% procedural success rate was achieved.
- Immediate complete occlusion (Raymond I) was observed in 81.4% of cases.
- The 6-month follow-up showed complete occlusion in 97.3% of patients, with a 9.3% periprocedural complication rate.
Conclusions:
- Laser-cut SACE is a safe and effective treatment for saccular BAAs.
- The technique is associated with high procedural success and favorable early angiographic and clinical outcomes.
- Further studies may be needed to confirm findings in larger cohorts.
