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Войти в исследования Journal of neuroradiology = Journal de neuroradiologie · 2016
A new endovascular technique for small anterior choroidal artery aneurysms. A consecutive series using the 3-catheter-protective technique.
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Gimonet Hélène, Desal Hubert-Armand, Mosimann Pascal J, Stracke Paul, Daumas-Duport Benjamin, Lintia-Gaultier Alina, Bourcier Romain, Chapot René
Аннотация
INTRODUCTION: Endovascular treatment of small anterior choroidal artery (AChA) aneurysms can be challenging, especially if the AChA arises from the sac. Preserving its patency during embolization is as important as obliterating the aneurysm. We describe a variant of the "protective microcatheter technique" (PMT) in a series of six patients with AChA aneurysms where the AChA emerged from the sac.
METHODS: Three different microcatheters (KT) were used. The first microcatheter was placed in the AChA to protect it. A remodeling balloon-catheter was then positioned in the internal carotid artery to stabilize the coils during embolization and to control a potential rupture. The third microcatheter was finally used to coil the aneurysm.
RESULTS: Mean sac size of anterior choroidal artery aneurysms was 2×2×2mm. All aneurysms were successfully occluded. There was neither ischemic complication nor ruptured aneurysm during endovascular treatment. A final angiogram demonstrated AChA patency in all cases.
CONCLUSION: The 3KT-PMT for AChA aneurysms appears to be safe and effective to prevent AChA occlusion during aneurysm coiling, especially when the AChA arises from the sac.
METHODS: Three different microcatheters (KT) were used. The first microcatheter was placed in the AChA to protect it. A remodeling balloon-catheter was then positioned in the internal carotid artery to stabilize the coils during embolization and to control a potential rupture. The third microcatheter was finally used to coil the aneurysm.
RESULTS: Mean sac size of anterior choroidal artery aneurysms was 2×2×2mm. All aneurysms were successfully occluded. There was neither ischemic complication nor ruptured aneurysm during endovascular treatment. A final angiogram demonstrated AChA patency in all cases.
CONCLUSION: The 3KT-PMT for AChA aneurysms appears to be safe and effective to prevent AChA occlusion during aneurysm coiling, especially when the AChA arises from the sac.