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Buffalo neurologists investigate possible new underlying cause of MS
Date:10/23/2009

hought peptic ulcer disease was due to stress. We now know that 80 percent of cases are due to a bacterial infection. Dr. Zivadinov's work may lead to a whole different way of thinking about multiple sclerosis."

The preliminary findings were based on a pilot study at the BNAC headed by Zivadinov, and at the Universities of Ferrara and Bologna, Italy, directed by Zamboni and Fabrizio Salvi, M.D, respectively. The study showed that several abnormalities affecting the predominant pathways that return venous blood from the brain to the heart occurred more frequently in MS patients than in controls.

This research, supported by the Hilarescere Foundation of Italy and the BNAC, was conducted to replicate the findings of the Italian investigators.

"Results of this preliminary study, which involved 16 relapsing-remitting MS patients and eight age-and-sex-matched healthy controls, showed that all the MS patients, but none of the controls, had chronic insufficient blood flow out of the brain," said Zivadinov.

Bianca Weinstock-Guttman, M.D., UB associate professor of neurology and a co-principal investigator on the pilot study, added: "The images from this study were acquired using a method called Doppler ultrasound. The method identified anomalies in the venous blood flow associated with strictures, malformed valves and peculiar webs within the large veins of the neck and brain"

Weinstock-Guttman directs the Baird Multiple Sclerosis Center at the Jacobs Neurological Institute (JNI), UB's Department of Neurology. The JNI and BNAC are located in Buffalo General Hospital of Kaleida Health.

Advanced magnetic resonance imaging scanning (MRI) of the MS study patients conducted at the BNAC also identified distinct areas of iron deposits in the brain, and showed that those deposits may be associated with the location of MS lesions and sites of impaired drainage. The scans also revealed increased brain atrophy and changes in the flow of cerebrospin
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Contact: Lois Baker
ljbaker@buffalo.edu
716-645-4606
University at Buffalo
Source:Eurekalert

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