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History of CFS/CFIDS/ME - 2003 Canadian Definition PDF Print E-mail
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History of CFS/CFIDS/ME
Early History
Origin of The Name M.E.
Origin of the Name CFS-1988 Case Definition
Oxford and 1994 Definitions
2003 Canadian Definition
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2003 Canadian Definition

The lack of clarity and accuracy of the dominant, but somewhat amorphous 1994 CDC definition led a number of the leading researchers and clinicians from the U.S. and other nations to develop and publish in 2003 a new and much more accurate case definition for the illness: Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Clinical Working Definition, Diagnostic and Treatment Protocols.

As this definition was published partially under the auspices of the Canadian Ministry of Health, it is informally called the Canadian Definition. The Canadian government assisted in organizing a committee following "input from invited world leaders in the research and clinical management of ME/CFS patients." (The combined experience of the committee was with over 20,000 patients.)

It draws together the most rigorous findings both from the CFS CDC-sponsored research and the ME European research. Authors include CFS/ME experts Dr. Kenny De Meirleir of Belgium and Drs. Martin Lerner, Daniel Peterson, and Nancy Klimas of the U.S., among others.

In our opinion, to date the 2003 Canadian Definition is the most medically accurate and detailed case definition available to physicians and patients. A patient and his/her physician will best determine presence of the illness using the Canadian Diagnostic Criteria.



 
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