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Cognitive Impairment│The accuracy of early cognitive impairment measured by CUHK AI technology is 90%

2021-07-08T19:34:14.559Z


The ageing population in Hong Kong is becoming more and more serious. According to statistics, one out of every ten elderly people in Hong Kong suffers from dementia. It is estimated that by 2039, there will be more than 330,000 elderly people with dementia. Chinese University of Hong Kong


18 District News

Written by: District Licheng

2021-07-08 20:10

The last update date: 2021-07-08 20:10

The ageing population in Hong Kong is becoming more and more serious. According to statistics, one out of every ten elderly people in Hong Kong suffers from dementia. It is estimated that by 2039, there will be more than 330,000 elderly people with dementia.

A study by the Faculty of Medicine of the Chinese University of Hong Kong found that the MRI brain scan index developed by artificial intelligence technology can help detect early cognitive disorders, including Alzheimer’s disease, Lewy body dementia and frontotemporal cognition It is also the first time in the world to prove that these indexes have high accuracy in the clinical detection of these three types of early neurodegenerative cognitive impairment diseases.

Since 2019, the research team has performed MRI analysis on 2,121 elderly people, including 635 patients with Alzheimer's disease, 61 patients with Lewy body dementia, 97 patients with frontotemporal lobe dementia, and 1,328 elderly people with normal cognitive ability.

Studies have shown that the MRI brain scan index developed by artificial intelligence technology is more accurate and sensitive than the naked eye. For example, the sensitivity in detecting mild Alzheimer's disease is as high as 92%, which is 25% higher than that of the naked eye; In the detection of mild to moderate frontotemporal dementia and mild Lewy body dementia, there are 96% and 83% accuracy standards respectively.

CUHK also pointed out that the MRI examination takes only 15 minutes. After uploading the brain scan image to the cloud analysis system, the MRI brain scan index developed by artificial intelligence technology will be reported in ten minutes.

The system can also analyze the volume of other independent brain regions, as well as the volume of brain lesions related to cerebrovascular disease (such as white matter lesions), and provide more information for the diagnosis of cognitive disorders caused by other brain transformations.

The patient’s family sighed that it was too late to be diagnosed and took the wrong path

Mr. He, a patient with dementia who participated in the study, is 67 years old. His wife, Mrs. He, said that her husband began to report that his memory has deteriorated ten years ago. His family members disagreed with him at the time. However, Mr. He lost his way many times and also suffered depression. Emotional problems, even when crossing the flyover, he said that he "want to jump off".

He had consulted for a doctor several years ago, but the MRI scan at that time showed no abnormalities. After a long delay, he was diagnosed with dementia after referral by social workers and other follow-ups.

Mrs. He described that although he knew that her husband "would not return" and his condition would not be reversed, he believed that if he knew the illness earlier, he did not need to seek medical treatment in the direction of mental problems and did not need to take the wrong path.

The team pointed out that the symptoms of early Alzheimer’s disease are often difficult to distinguish from normal aging, and it is also difficult to distinguish from the early clinical symptoms of some common neurological degenerative cognitive disorders such as Lewy body dementia and frontotemporal dementia. It is very similar, so it is more difficult to make distinctions at an early stage. However, only private hospitals currently use this artificial intelligence technology, and the Hospital Authority has not introduced it.

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Seniors of Chinese University with Cognitive Impairment

Source: hk1

All news articles on 2021-07-08

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