Abstract:
OBJECTIVE:Intracranial dural arteriovenous fistulae (DAVFs) can present as disabling intracranial hemorrhage. The aim of this study was to investigate the independent effects of specific demographic and clinical variables on hemorrhagic presentation in patients with DAVFs. METHODS:All patients with DAVFs evaluated at the University of California at San Francisco from July 1988 through June 2004 were identified. Clinical and radiographic characteristics were recorded using a detailed abstraction form. RESULTS:A total of 402 patients with DAVFs were identified, 73 (18%) of whom presented with intracranial hemorrhage. Men were twice as likely to present with hemorrhage (men 70% versus women 30%, P < 0.001). Cortical venous drainage (85 versus 22%; P < 0.001), retrograde venous drainage (59 versus 36%; P < 0.001), and sinus occlusion (33 versus 18%; P = 0.004) were also more common in patients with DAVF with hemorrhagic presentation. In multivariate logistic regression analysis, cortical venous drainage (odds ratio [OR], 10.5; P < 0.001), focal neurological deficits (OR, 4.7; P < 0.001), DAVFs in the posterior fossa (OR, 4.0; P = 0.005), male sex (OR, 3.4, P = 0.001), and age older than 50 years were found to be independently associated with hemorrhagic presentation. CONCLUSION:Although DAVFs are less frequent in men than in women, they are more likely to present with hemorrhage. In addition to cortical venous drainage, a well-known risk factor for intracranial hemorrhage, posterior fossa location, older age at presentation, and focal neurological deficits were independently associated with hemorrhagic presentation in patients with DAVFs.
journal_name
Neurosurgeryjournal_title
Neurosurgeryauthors
Singh V,Smith WS,Lawton MT,Halbach VV,Young WLdoi
10.1227/01.neu.0000317311.69697.fcsubject
Has Abstractpub_date
2008-03-01 00:00:00pages
628-35; discussion 628-35issue
3eissn
0148-396Xissn
1524-4040pii
00006123-200803000-00010journal_volume
62pub_type
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