CTV.ca News Staff
Date: Wed. Apr. 14 2010 11:13 PM ET
An Italian doctor who contends multiple sclerosis may be caused by blocked veins in the neck defended his research from critics Wednesday but also cautioned that further studies are necessary to prove that the treatment he developed is both safe and effective.
Vascular surgeon Dr. Paolo Zamboni believes that narrowed veins in the neck lead to poor blood drainage from the brain, resulting in a build-up of iron deposits that can damage brain cells.
Zamboni's research on a small number of patients in Italy has found that MS patients are more likely to suffer from this condition, which he calls chronic cerebrospinal venous insufficiency, or CCSVI. Zamboni has dubbed his treatment for CCSVI, a balloon angioplasty, the "liberation treatment."
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