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email article Blood tests to screen for amyloid-beta could cut the need for PET scans in half in asymptomatic Alzheimer s research trials, a British cohort study suggested. To find 100 amyloid PET-positive, dementia-free older adults from a population with similar amyloid PET positivity prevalence to the study cohort without plasma screening, 543 PET scans would need to be performed, said Jonathan Schott, MD, of University College London in England, and co-authors. Using mass spectrometry measures of plasma amyloid-beta would require 623 people to have a blood test, and of those, 243 would proceed to a scan, they wrote in To identify Alzheimer s before symptoms, the gold standard tests available right now are amyloid PET scans and lumbar punctures, which are either expensive or relatively invasive, said co-author Ashvini Keshavan, PhD, also of University College London. ....
Link copied Sign up for FREE health tips to live a long and happy life SUBSCRIBE Invalid email When you subscribe we will use the information you provide to send you these newsletters. Sometimes they ll include recommendations for other related newsletters or services we offer. Our Privacy Notice explains more about how we use your data, and your rights. You can unsubscribe at any time. Dementia is a general term for a cluster of symptoms associated with brain decline. Alzheimer s disease is the most common type of dementia in the UK. Memory loss and lapses in judgement are some of the early signs of Alzheimer s. There is currently no cure for Alzheimer s but identifying its emergence as early as possible could help to forestall it. ....