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Origin of DSS: to present the planNeurology Service (127), Veterans Affairs Medical Center, 50 Irving Street, Washington, DC 20422, USA; kurtzke2{at}aol.com The Disability Status Scale for multiple sclerosis was the direct result of World War II, in which 16.4 million persons served in the US military. Thereafter academic medicine enabled the modernization of the Veterans Administration in patient care, research, and training. Under the GI Bill, I attended Cornell University Medical College, where there was an intensive course in neurological diagnosis requiring detailed recording of positive and negative findings. This was used in junior and senior clinical clerkships and residency training, all of which I took at the Bronx VA Hospital. During my residency we assessed a possible treatment for MS, which required a comparison group and a means of measuring change. The former comprised the records of over 300 MS patients, whose neurological deficits were then consolidated into mutually exclusive Functional Systems, each with grades for severity. As rank-order scales they could not be summed or compared directly, but they were used as the basis for the DSS, which ranged from 0 (normal) to 10 (death due to MS). This scale was later expanded into the EDSS by halving each step 1 through 9. This bifid system is applicable to all patients with MS regardless of type or severity of neurological impairment.
Key Words: clinical rating systems • EDSS • history • multiple sclerosis • Veterans Administration • World War II
Multiple Sclerosis, Vol. 13, No. 1,
120-123 (2007) |
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