Experts are devising a seven-point rating scale based on cognitive and biological changes in the patient. Read more at straitstimes.com.
AMSTERDAM - Alzheimer’s disease experts are revamping the way doctors diagnose patients with the progressive brain disorder - the most common type of dementia - by devising a seven-point rating scale based on cognitive and biological changes in the patient.
The new system is designed to be more accurate and better reflect a person’s underlying disease, according to Dr Clifford Jack of the Mayo Clinic in Rochester, Minnesota, lead author of the report sponsored by the Alzheimer’s Association and the National Institute of Aging, a part of the US government’s National Institutes of Health.Eisai and Biogen’s drug Leqembi,
Under the new diagnostic approach, patients would receive a score of 1 to 7 based on the presence of abnormal disease biomarkers and the extent of cognitive changes. The system also includes four biological stages ranked a, b, c and d. For example, Stage 1a is when a person is completely asymptomatic but has abnormal biomarkers.In Stage 2, an individual may have abnormal biomarkers and very subtle changes in cognition or behavior.
Dr Jack also noted that many other conditions can cause dementia but not all dementia is Alzheimer’s disease.
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