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Acta Médica Peruana

On-line version ISSN 1728-5917


VARGAS-URBINA, John F. et al. Multiple intracranial aneurysm embolization in a single session. Acta méd. Peru [online]. 2023, vol.40, n.2, pp.120-127.  Epub June 30, 2023. ISSN 1728-5917.


To determine clinical and angiographical outcomes in patients with multiple intracranial aneurysms who underwent endovascular therapy in a single session.

Materials and Methods:

Patients older than 18 years with multiple (≥2) ruptured or non-ruptured aneurysms were included, and all of them underwent endovascular therapy in a single session between 2019 and 2021. Clinical and angiographic data was collected. Immediate occlusion and follow-up data were collected. Rankin modified scale was used for assessing clinical outcomes.


Twenty-five patients were treated, and fourteen had subarachnoid hemorrhage. Seventy-eight aneurysms were diagnosed, and 59 of them were treated. The most frequent location was at the ophthalmic segment. Maximum average height was 5.2- mm, which showed significant statistical difference with a ruptured condition (p≤0.02). The main modality for endovascular therapy was the remodeling technique, which was used in 39% of all cases. Immediate Raymond Roy staging was I in 60% of all cases, and IIIa in 35% of all cases. Complication rate was 24%, and mortality rate was 8%.


Single session endovascular therapy is an effective and safe option for cases of multiple intracranial aneurysms in our institution. Occlusion and complication rates were acceptable.

Keywords : Intracranial Aneurysm; Endovascular Procedures; Stents; Embolization, Therapeutic; Subarachnoid Hemorrhage.

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