Dr. Spence refers to the venous abnormalities as being inside the brain, and relates it to stroke--his specialty, saying that CCSVI is not related to MS. He has obviously not read any of the research.
Dr. Spence in his own words---
http://www.lfpress.com/news/london/2010 ... 35416.html
“For sure we would all love it to be true, it would be great to have a new treatment for multiple sclerosis, but there are a whole bunch of problems.”
One of the problems with the theory that multiple sclerosis is connected to blocked veins is that narrowed veins in the brain can cause strokes. But the part of the brain affected by strokes is not the same part affected by MS, Spence said.
In addition, many MS lesions are found in the spinal cord, not in the brain, so the narrowing of veins in the brain is not going to cause those lesions, he said.
“The theory is implausible because it doesn’t bear any relationship to what we already know about these things,” he said. “Everything we know about MS so far indicates it is an inflammatory condition.”
Dear Dr. Spence--
You were incorrect in your recently published assessment of Dr. Zamboni's discovery. Dr. Zamboni found venous stenosis, reflux, and blockage in the extracranial veins, specifically the jugular and azygos veins. This is very different than venous stroke we see involving the intracranial veins. The collateral circulation patterns created by CCSVI involve the brain and spine. CCSVI could potentially lead to slowed perfusion, hypoxic injury and plasmic deposition into brain tissue (particularly the thalmus) and the spinal column. Our site has information and peer-reviewed published research papers which explain this finding. I hope you find it useful.
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