Observational analysis shows improved efficacy of endovascular parent artery occlusion in peripheral aneurysms, indicating flow-guided microcatheters enhance treatment options.
Peripheral aneurysms in the posterior circulation are rare vascular pathologies and their treatment remains challenging. Microsurgical procedures for these aneurysms are complex, lengthy, and highly invasive. Endovascular parent artery occlusion could be considered as an alternative treatment of choice; however, it is inherently challenging due to the small vessel caliber and fine manipulation required. Small bore flow-guided microcatheters (1.5 Fr) with high peripheral accessibility are currently available, whereas compatible coils remain limited. The brand-new i-ED coils can be compatible with these microcatheters. We herein present our patient series of peripheral aneurysms in the posterior fossa that were treated endovascularly, and discuss key technical tips and potential pitfalls.
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Takahashi et al. (2025) studied this question.
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