Here is the CMAJ meta-analysis. Might we humbly suggest that if Canada really wants to understand CCSVI, perhaps they should consult with Dr. Zamboni, and study his diagnostic protocol? This clarified the matter for Dr. McDonald, the BNAC researchers, and many others.


Association between chronic cerebrospinal venous insufficiency and multiple sclerosis: a meta-analys
www.cmaj.ca
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 ...