Clinical Characteristics, Angioarchitecture and Management of Tectum Mesencephali Arteriovenous Malformations (original) (raw)
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Endovascular treatment of cerebral arteriovenous malformations
Neurosurgical Review, 1986
The authors report their experience with the endovascular approach of AVMs. Although the follow-up is short, the approach to the lesion and the morbidity related to the technique is low. 41 patients are reviewed. The most important feature of this series is that only 17 patients had previously bled. 27 had seizures and the remaining intractable headaches or progressive deficits. Only 4 patients were operated on following embolization. Clinical results are good, although few "anatomic" cures have been obtained by embolization alone (5 cases). However, the morbidity was moderately important (19%) per patient, 2/3 of which were totally regressive within a month. One death occurred during the procedure for a young male with a non-surgical posterior fossa brain AVM which had bled two times prior to the endovascular treatment. Topographic presentation of our results is the following: Pure cortical (13 cases), cortico-ventricular (17 cases), deep-seated (without vein of Galen) (2 patient), Posterior fossa (3 cases).
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Incident Hemorrhage Risk of Brain Arteriovenous Malformations Located in the Arterial Borderzones
Stroke, 2000
Background and Purpose —We sought to assess the relative risk of hemorrhagic presentation of brain arteriovenous malformations (AVMs) located in the arterial borderzone territories. Methods —The 464 consecutive, prospectively enrolled patients from the New York AVM Databank were analyzed. AVM borderzone location was coded positive when the malformation was supplied by branches of at least 2 of the major circle of Willis arteries (anterior, middle, and/or posterior cerebral arteries). AVMs fed by branches of only 1 major pial or any other single artery served as a comparison group. Clinical presentation (diagnostic event) was categorized as (1) intracranial hemorrhage, proven by brain imaging, or (2) seizure, focal neurological deficit, headache, or other event with no signs of AVM hemorrhage on brain imaging. Results —In 48% (n=222) of the patients, AVMs were located in the arterial borderzone territories; in 52% (n=242) a non-borderzone location was found. Hemorrhage was the presen...
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