ArticleClinics (Sao Paulo, Brazil)2026
Laser-cut stent-assisted coil embolization for basilar apex aneurysms: a retrospective single-center study.
Article in Clinics (Sao Paulo, Brazil), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesTo describe procedural and early outcomes following laser-cut Stent-Assisted Coil Embolization (SACE) for Basilar Apex Aneurysms (BAAs) at a single institution.
methodsThe authors conducted a retrospective review of 43 consecutive patients with BAAs (both ruptured and unruptured) who underwent laser-cut SACE between September 2019 and April 2023. Outcomes included procedural success (defined as successful stent deployment and coil embolization without procedural abandonment or device malfunction), immediate and 6-month angiographic occlusion status (Raymond classification), periprocedural complications, and 3-month clinical status (modified Rankin Scale, mRS). Treatment strategies (single-stent vs. Y-configuration) and stent types (Enterprise vs. Atlas) were selected per operator discretion.
resultsThe procedural success rate was 100%. Immediate post-procedural angiography showed complete occlusion (Raymond I) in 81.4% (35/43) and neck remnant (Raymond II) in 18.6% (8/43). The periprocedural complication rate was 9.3% (4/43), including two thromboembolic events (4.7%), one fatal brain herniation, and one other non-specified complication. Among 42 surviving patients, 88.1% (37/42) had an mRS score ≤ 2 at 3-months. Six-month angiographic follow-up, available for 37 patients (86.0%), revealed complete occlusion in 97.3% (36/37) and neck remnant in 2.7% (1/37). Subgroup analyses comparing single-stent (n = 38) and Y-stent (n = 5) techniques, as well as Enterprise (n = 21) and Atlas (n = 17) stents in single-SACE, showed no statistically significant differences in occlusion rates or clinical outcomes, though these analyses were underpowered.
conclusionIn this single-center, retrospective experience of patients with saccular BAAs, laser-cut SACE for BAAs was associated with high procedural success and favorable early angiographic and clinical outcomes.
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