Endovascular treatment of the brain micro-AVM with cyanoacrylate
Journal Title: Postępy Nauk Medycznych - Year 2012, Vol 25, Issue 5
Abstract
<b>Introduction.</b> Microarteriovenous malformations (micro-AVMs) are an uncommon subgroup of brain AVMs defined by a nidus measuring < 1 cm in diameter. The clinical features, angiographic characteristics, and outcomes in patients with micro-AVMs who had been treated endovascularly after presenting with hemorrhage were reviewed to identify common features affecting prognosis.<br><b>Material and methods.</b> 44 patients (23 females and 21 males) with micro-AVMs were treated. 39 (88%) patients presented with intracerebral hematoma and with subarachnoid hemorrhage only. All patients underwent CT on admission, diagnostic cerebral angiography, and 1 session of endovascular treatment during the acute phase.<br><b>Results.</b> Procedure-related complications occurred in 3 patients (6,8%), Complete nidus obliteration was achieved at the end of the embolization in 29 (66%) of 44 lesions. Late angiography 6-14 months was performed in 21 (68%) of 36 patients who underwent treatment, and no further recurrences were identified.<br><b>Conclusions.</b> Immediate complete obliteration of a micro-AVM with a high permanent cure and low morbidity rates was accomplished using endovascular treatment. Early embolization after bleeding should be considered as an alternative to resection and advocated as primary treatment of brain micro-AVMs.
Authors and Affiliations
Maciej Szajner, Paweł Poluha, Michał Przyszlak, Dariusz Szczepanek, Bartłomiej Tyzo, Małgorzata Szczerbo-Trojanowska
Keywords
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