Patients with arteriovenous malformation (AVM)-associated aneurysms are a well-recognized subset of the cerebrovascular disease population. The origin of these dual lesions is likely multifactorial, with hemodynamic stresses having a dominant influence. In most patients who present with hemorrhage, the aneurysm is the usual source. Since aneurysm rupture continues to carry a more significant morbidity and mortality when compared to AVM hemorrhage, the authors recommend that the aneurysm be treated first or simultaneously with the AVM in the majority of cases. Treatment of the AVM first is primarily reserved for patients who have suffered bleeds from resectable AVMs.
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View details for PubMedID 9668188