2018-11-13 13:58 China News Network
BEIJING, Nov. 13 (Xinhua) According to the British Broadcasting Corporation (BBC) on Nov. 12, researchers said that they have developed a new method to scan people's neck with ultrasound technology. By observing the condition of cervical blood vessels, they can predict who will suffer from dementia (commonly known as Alzheimer's disease, Alzheimer's disease) in the next 15 years. The risk is only 5 minutes.
It is reported that the results of this study will be published in the Journal Alzheimer's and Alzheimer's Disease, and will be used to improve new drug trials for Alzheimer's disease patients.
The experiment began in 2002 when an international team of experts from University College London scanned more than 3,000 volunteers and followed them up for 15 years, the report said.
The researchers tracked the memory and problem solving abilities of the volunteers and found that those with the strongest pulse (about a quarter of the participants) had a 50% higher risk of cognitive decline than other volunteers.
Cognitive decline is usually one of the early symptoms of Alzheimer's disease, the report said. However, not everyone with cognitive impairment falls ill.
If the pulse is strong, it may cause damage to the microvessels in the brain. At the same time, it may also bring structural changes to the brain vascular network, and even lead to a small amount of brain hemorrhage, resulting in a mild stroke.
It is reported that the next step for the researchers is to use magnetic resonance imaging (MRI) to examine whether the volunteers have structural and functional changes in the brain, which can explain why cognitive decline occurs.
"Maintaining a healthy heart and blood pressure helps reduce the risk of Alzheimer's disease," said Dr. Lautledge, director of the Alzheimer's Institute in the United Kingdom. There is evidence that controlling blood pressure, cholesterol, healthy diet, regular exercise and non-smoking can help prevent Alzheimer's disease.
With advances in medical technology, people have found some ways to predict the risk of Alzheimer's disease. For example, studies have suggested that optometrists can predict who is more likely to suffer from Alzheimer's disease by observing the thickness of people's retina.
Originally, the technology was designed to detect early eye diseases, but scientists found that people with thinner retinas were more likely to encounter memory and reasoning problems.
In addition, a few years ago British scientists used blood tests to predict whether people would be at risk for Alzheimer's disease in the future. Research on more than 1,000 people shows that the accuracy of predicting Alzheimer's disease with a group of proteins in the blood is as high as 87%.
Original title: Scientist: ultrasound scan can predict the risk of dementia in the future.
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