Heart attacks associated with faster cognitivedecline over years johnshopkins jamaneuro
and elevated cholesterol as soon as they can since we have shown that having a heart attack increases your risk of decreased cognition and memory later on in life," says Michelle Johansen, M.D., Ph.D., an associate professor of neurology at the Johns Hopkins University School of Medicine.
In a pooled analysis of six different large studies of adults between 1971 and 2019, researchers determined whether people who have had heart attacks showed changes in cognition compared with people similar to them in all respects except they had not had a heart attack. The researchers used a point system to measure participants' global or overall cognition over time, as well as memory and executive functioning—or how well people make complex cognitive decisions.
immediately after their first heart attack, the participants' cognitive tests showed a decline over the years following the event. The scores on several different cognitive tests were combined to represent one cognitive domain. A decrease in points indicated a decline in that cognitive domain. The study sample comprised 30,465 people who had not experienced a heart attack or stroke and did not have dementia at the time of the first cognitive assessment; 29% of the individuals were Black, 8% were Hispanic and 56% were women. Of the overall sample, 1,033 individuals went on to have at least one heart attack, and out of that, 137 had two heart attacks. Individuals who experienced heart attacks were more likely to be older and male.
Johansen says the next steps are to look at other aspects of heart health and how they may affect brain health.," Johansen says."Now we need to determine what specifically is causing the cognitive decline over time."Michelle C. Johansen et al, Association Between Acute Myocardial Infarction and Cognition,
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