Research into controversial MS treatment still too conflicting, study finds - The Globe and MailA new study attempting to evaluate the validity of research into the prevalence of blocked veins in multiple sclerosis patients has concluded the evidence is too conflicting and inconsistent to draw any concrete conclusions.
The study, published Monday in the Canadian Medical Association Journal, adds another layer of uncertainty to the controversy surrounding the contentious issue, which has been brewing for about two years following media reports of the possible link between blocked veins and MS.
“I think it’s really hard to come to any conclusion, any definitive conclusion,” said Andreas Laupacis, lead author of the study and executive director of the Li Ka Shing Knowledge Institute at St. Michael’s Hospital in Toronto. “We won’t know for a few years the full story.”
Italian doctor Paolo Zamboni popularized a theory that blocked or malformed neck veins cause or somehow contribute to MS, and that a relatively minor procedure to open them can treat symptoms.
Clinics around the world, many of them charging high fees, began offering the procedure and patients flocked to them from countries such as Canada, which doesn’t cover the treatment due to a lack of solid evidence.
Over the past two years, thousands of patients and advocates have used political rallies and social media campaigns to pressure governments to bring the treatment to Canada. They have had some success, with provinces such as... read more here