J Korean Radiol Soc.
1998 Nov;39(5):877-885. 10.3348/jkrs.1998.39.5.877.
Analysis of Angiographic Findings in Arteriovenous Malformations (AVM) of Brain According to PresentingClinical Manifestations
- Affiliations
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- 1Department of Diagnostic Radiology Medicine, Asan Medical Center, University of Ulsan College of Medicine.
- 2Department of Emergency, Asan Medical Center, College of Medicine, University of Ulsan.
- 3Department of Anesthesiology, Asan Medical Center, College of Medicine, University of Ulsan.
- 4Department of Neurological Surgery, Asan Medical Center, College of Medicine, University of Ulsan.
- 5Department of Neurology, Asan Medical Center, College of Medicine, University of Ulsan.
- KMID: 2201139
- DOI: http://doi.org/10.3348/jkrs.1998.39.5.877
Abstract
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PURPOSE: To evaluate the different angio-architectures of brain arteriovenour malformatigns (AVMs) accordingto the presence of non-hemorrhagic symptoms or intracerebral (ICH) and/or intraventricular hemorrhage(IVH).
MATERIALS AND METHODS
The results of complete cerebral angiography obtained in 215 patients with AVM between1989 and 1994 were retrospectively reviewed. The M:F ratio was 136:78 and their mean age was 29 (ranged 4 - 66)years. On the based of clincal presentation, CT and/or MR images, they were divided into hemorrhagic andnon-hemorrhagic groups. Angiograms were analyzed by two radiologists for the size and location of nidus; thenumber of feeding arteries and the extent of aneurysm, stenosis, dural supply, and angiomatous change; the numberof draining veins and the extent of deep or superficial drainage, stenosis, ectasia, kinking, and stasis. Thestandard chi-square test was used for statistical analysis.
RESULTS
Hemorrhage was noted in 140 patients(65%),and no hemorrhage in 75(35%). Hemorrhage was more common in AVM with deep-seated and callosal locations, a nidusof less than 2cm, single feeder and single venous drainage, and deep venous drainage only (p < 0.05 - 0.001).Non-hemorrhagic presentations were more common in AVM with cortical and subcortical location, a nidus of more than5cm, angiomatous change, dural supply, both superficial and deep venous drainage, kinking, and stasis (p <0.05-0.001).
CONCLUSION
The angio-architechture of AVM with hemorrhage correlated with clinical symptomaticpresentation. Analysis of the patterns of angioarchitectureis useful for prognosis and in deeiding the direetionof freatment.
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