Blood tests signal a new era in Alzheimer's diagnosis

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By Robin Foster
Reporter HealthDay

TUESDAY, July 28, 2020 (HealthDay News)

A new blood test brings hope that doctors can soon diagnose Alzheimer's disease with incredible accuracy.

A study led by Swedish researchers showed that the experiment did more than distinguish between Alzheimer's disease and other types of dementia. It also detects signs of Alzheimer's disease two decades before symptoms appear in people with a genetic predisposition to developing degenerative disease.

How? It measures the level of a specific tau protein, called p-tau217, which has long been associated with Alzheimer's disease.

Dr Michael Weiner, Alzheimer's researcher at the University of California, San Francisco, said: "This blood test accurately predicts people with Alzheimer's in their brains, including those who seem normal." . New York Times. "It's not a cure, it's not a cure, but you can't treat the disease without being able to diagnose it. And the accurate, low-cost diagnosis is really exciting," so it was a breakthrough. "

The Swedish trial and two other studies examining the tau test were presented on Tuesday during the Alzheimer's Association's virtual annual meeting. The Swedish study was also published on July 28 Journal of the American Medical Association.

Swedish testing can distinguish whether people with dementia have Alzheimer's disease more than other neurodegenerative disorders 96%, said …


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