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Heart attack increases brain age by 6 years: study

Heart attack increases brain age by 6 years: study

 


May 31, 2023 – Having a heart attack can ultimately lead to mental decline as fast as an extra 6 years of brain age, according to new research.

of study published on Tuesday JAMA Neurology And specifically explored the impact of heart attacks on the normal process of brain aging. It is normal for a person’s thinking speed, memory, and concentration to deteriorate as they age, and medical experts call this age-related cognitive decline.

Cardiovascular diseases such as heart attack and stroke have been associated with cognitive problems. In this latest study, researchers set out to find out how a heart attack affects global cognition, memory, and a brain skill called executive functioning.

A heart attack had no effect on three cognitive measures in the immediate aftermath. However, all three of his measures were affected in the years after the heart attack, and a person’s race and gender also influenced the severity of the decline.

The decline was less pronounced in women who had heart attacks than in men who had heart attacks. And similarly, the cognitive effects of heart attacks were less severe in blacks than in whites.

Researchers analyzed data from 30,465 adults with no history of heart attack, stroke or dementia. The average age of study participants was 64 years, 56% were female, and 29% were black. 1,033 people had heart attacks during the study period.

The findings “suggest that prevention is possible.” [a heart attack] It may be important for long-term brain health,” the authors wrote.

Approximately 805,000 people in the United States suffer a heart attack each year, and a heart attack is “a medical emergency in which the blood supply to the heart is suddenly and greatly reduced or cut off, resulting in muscle necrosis due to lack of oxygen.” the report said. Summary from the study’s principal investigator, Michelle Johansen, M.D., at Johns Hopkins School of Medicine.

“Given the fact that many people are at risk of having a heart attack, our findings are a wake-up call for people to get under control of vascular risk factors such as high blood pressure and elevated cholesterol levels as soon as possible. I hope it works.” It’s possible because we know that having a heart attack increases the risk of subsequent cognitive and memory decline,” said an associate professor of neurology at the Johns Hopkins University School of Medicine. Johansen, who is also a professor, said in the paper. statement.

Two neurologists write: Commentary The findings were published alongside research findings that represent an important next step.

“What these epidemiological studies don’t tell us is the post-infection reason.[heart attack] Cognitive decline is accelerating,” write Eric E. Smith, M.D., of the University of Calgary, MPH and Lisa C. Silbert, M.D. of the Oregon Health and Science University. “Understanding the Post Mechanism”[heart attack] Decline may provide the key to identifying patients at risk and managing them to prevent decline. ”

Sources

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2/ https://www.webmd.com/heart-disease/news/20230531/heart-attack-adds-years-brain-age-study

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