dural AVF's - UHNResearch

dural AVF's - UHNResearch

Borden 3 Cognard 3 Borden 3 Cognard 4

Natural History: Benign Lesions

Davies et al n=55 Borden Grade I 89% follow-up 133 patient years, mean 33 mo

1 ischemic event associated with significant sinus reflux Interventional Neuroradiology 3:295, 1997 Natural History: Aggressive Lesions

Davies et al n=46 Borden Grade II, III 30% no Rx, 47% surgery, 43% embo 4 deaths in conservative treatment group event rate 27%/yr

bleed rate 20%/yr Interventional Neuroradiology 3:303, 1997

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