Journal of neuroendovascular therapy · 2025
Endovascular Treatment for Kissing and Mirror Image Aneurysms Arising from the Bilateral Distal Anterior Cerebral Arteries: A Technical Note.
СтатьяНазвание и аннотация: Перевод в очереди
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Ito Yuhei, Ichikawa Tsuyoshi, Tamogami Chisae, Koiwai Megumi, Suzuki Kyouichi
Аннотация
OBJECTIVE: Mirror image aneurysms located in the bilateral distal anterior cerebral arteries (ACAs) present significant technical challenges for both microsurgical and endovascular treatment due to their close proximity. To address these complexities, this technical note aims to describe a stepwise endovascular strategy for treating complex bilateral distal ACA kissing and mirror image aneurysms, highlighting key technical modifications such as preemptive bilateral stent deployment and selective microcatheter angiography.
CASE PRESENTATION: A woman in her 60s presented with bilateral distal ACA mirror image aneurysms (right: 10 mm; left: 7 mm). Endovascular treatment was indicated due to their high-risk morphology and a family history of subarachnoid hemorrhage. To overcome anticipated challenges, a stepwise stent-assisted coil embolization strategy was employed. Key steps included preemptive bilateral Neuroform Atlas stent (Stryker, Kalamazoo, MI, USA) deployment validated by cone-beam CT before any coiling, and selective angiography via a microcatheter left in the proximal A2 segment to ensure clear visualization during coil embolization. The procedure was completed without complications, with no recurrence observed at 5-year follow-up.
CONCLUSION: The stepwise endovascular strategy, which incorporated preemptive bilateral stent deployment prior to any coiling and utilized selective angiography via microcatheter, enabled the safe and effective endovascular treatment of these complex bilateral distal ACA mirror image aneurysms. This technical strategy offers a practical reference for the endovascular management of similarly complex and anatomically constrained aneurysms.
CASE PRESENTATION: A woman in her 60s presented with bilateral distal ACA mirror image aneurysms (right: 10 mm; left: 7 mm). Endovascular treatment was indicated due to their high-risk morphology and a family history of subarachnoid hemorrhage. To overcome anticipated challenges, a stepwise stent-assisted coil embolization strategy was employed. Key steps included preemptive bilateral Neuroform Atlas stent (Stryker, Kalamazoo, MI, USA) deployment validated by cone-beam CT before any coiling, and selective angiography via a microcatheter left in the proximal A2 segment to ensure clear visualization during coil embolization. The procedure was completed without complications, with no recurrence observed at 5-year follow-up.
CONCLUSION: The stepwise endovascular strategy, which incorporated preemptive bilateral stent deployment prior to any coiling and utilized selective angiography via microcatheter, enabled the safe and effective endovascular treatment of these complex bilateral distal ACA mirror image aneurysms. This technical strategy offers a practical reference for the endovascular management of similarly complex and anatomically constrained aneurysms.