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Spinal arteriovenous malformations: neurological aspects and results of embolization.

Authors
  • Lundqvist, C
  • Berthelsen, B
  • Sullivan, M
  • Svendsen, P
  • Andersen, O
Type
Published Article
Journal
Acta neurologica Scandinavica
Publication Date
Jul 01, 1990
Volume
82
Issue
1
Pages
51–58
Identifiers
PMID: 2239138
Source
Medline
License
Unknown

Abstract

Twenty consecutive patients with spinal arteriovenous malformations (AVMs) were found to have either a progressive, remitting or remitting-progressive course of disease. A characteristic progressive neurological decline was observed in 11 patients with dural fistulas and a similar decline was seen in 5 of the 9 patients with intradural AVMs. In addition to paraparesis and mixed sensory disorder, which ascended to a level of about T10, areas with spared sensation were occasionally found below this level. All cases with this progressive longitudinal myelopathy showed radiological evidence of a dilated medullary venous plexus. All patients were treated by embolization with only a low frequency of complications. Follow-up data verified a significant improvement of motor and sensory function, mainly during the first year after embolization. Cases with progressive neurological decline (dural and intradural AVMs) stopped deteriorating or improved and cases with a history of acute incidents (intradural AVMs) probably run less risk of acute deterioration.

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