ArticleCureus2025
Cognitive Impairment Without Dementia: A Treatable Case of Dural Arteriovenous Fistula.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
6 authors.
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Abstract
Dural arteriovenous fistula (DAVF) can present with a wide range of symptoms depending on its location and the degree of arteriovenous shunting. Rarely, they may manifest as cognitive impairment due to chronic venous dysfunction. This is the case of an elderly man evaluated for subacute onset of memory loss without dementia. Magnetic resonance imaging (MRI) of the brain revealed a subtle subarachnoid vascularity in the right occipital lobe, without cerebral edema or parenchymal abnormality. Digital subtraction angiography (DSA) confirmed a low-flow Borden type III DAVF, draining via an occipital cortical vein into the basal vein of Rosenthal and the vein of Galen. Subjective cognitive symptoms resolved following successful treatment with transarterial Onyx embolization. The role of DAVFs in mild cognitive impairment without dementia is likely underrecognized due to their rarity and inherent difficulties in diagnosis. This suggests a potential role for detailed cognitive evaluation in guiding the management of DAVFs.
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