The role of the pipeline embolization device for the treatment of dissecting intracranial aneurysms

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Abstract

Intracranial dissecting aneurysms constitute rare lesions with complex management and elevated morbidity and mortality. Results of 23 patients harboring such lesions treated with the PED are reported. Standard dual antiplatelet therapy was instituted. Neurologic and angiographic assessments were obtained at 3, 6, and 12 months. Clinical presentation included SAH (52%), symptoms of mass effect (22%), ischemia (4%), and incidental finding (22%). The posterior circulation was affected in 91% of cases. Total occlusion was demonstrated in 69.5% of patients, with an increment to 87.5% considering only patients with at least 3 months of follow-up. Small aneurysms demonstrated higher rates of total occlusion (6/7) compared with large (5/7) and giant (5/9) ones. Good clinical outcome was achieved in 74% of patients. Reconstructive endovascular treatment of intracranial dissecting aneurysms with the PED provided good clinical and angiographic results with acceptable risks, representing an attractive therapeutic option for this complex disease, especially when parent vessel preservation is mandatory.

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De Barros Faria, M. B., Nella Castro, R., Lundquist, J., Scrivano, E., Ceratto, R., Ferrario, A., & Lylyk, P. (2011). The role of the pipeline embolization device for the treatment of dissecting intracranial aneurysms. American Journal of Neuroradiology, 32(11), 2192–2195. https://doi.org/10.3174/ajnr.A2671

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