Andrew Dueck

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BACKGROUND It has been proposed by Zamboni and colleagues that multiple sclerosis is caused by chronic cerebrospinal venous insufficiency, a term used to describe ultrasound-detectable abnormalities in the anatomy and flow of intra- and extracerebral veins. We conducted a meta-analysis of studies that reported the frequency of chronic cerebrospinal venous(More)
Executive Summary Background: Zamboni has proposed that multiple sclerosis (MS) is caused by abnormalities in the anatomy and flow of the cerebral veins, which he has called chronic cerebrospinal venous insufficiency (CCSVI). The primary purpose of this systematic review was to examine the evidence evaluating the association between venous abnormalities and(More)
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