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Noninvasive retinal imaging device is able to detect Alzheimer’s 20 years in advance

RATE THIS! +36
Posted in Science on 23rd Jul, 2014 02:05 AM by AlexMuller

Cedars-Sinai Medical Center researchers have developed a noninvasive retinal imaging device that can provide early detection of changes indicating Alzheimer’s disease 15 to 20 years before clinical diagnosis.

 
“In preliminary results in 40 patients, the test could differentiate between Alzheimer’s disease and non-Alzheimer’s disease with 100 percent sensitivity and 80.6 percent specificity, meaning that all people with the disease tested positive and most of the people without the disease tested negative,” said Shaun Frost, a biomedical scientist and the study manager at the Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia’s national science agency.
 
Keith Black, MD, professor and chair of Cedars-Sinai’s Department of Neurosurgery and director of the Maxine Dunitz Neurosurgical Institute and the Ruth and Lawrence Harvey Chair in Neuroscience, said the accumulation of beta-amyloid plaque in the brain is a hallmark sign of Alzheimer’s, but current tests detect changes only after the disease has advanced to late stages.

Tags: Alzheimer'sbrainhealthdementiaagingretinaeye

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Comments

Author: Guest
Posted: 2014-07-23
+3
Early detection of Alzheimer's is at present the key factor for treatment - most drugs are effective only at the early stages. If this diagnostic test is confirmed as accurate, implementation should follow as soon as possible!
1 Replies
Author: Guest
Posted: 2014-07-23
+1
Yes, an early detection is a big advantage - very hopeful and promising Reply
Reply
Author: Guest
Posted: 2014-07-23
+1
Dementia is an enormous social problem and of course very difficult condition for patients to cope with - just the fact that there is no cure now or in the near future puts a very grim perspective Reply
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