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Also in the study, a systolic blood pressure of 130 mm Hg or higher was associated with a 37% increased risk of heart failure later in life and a diastolic blood pressure of 80 mm Hg or higher was associated with a 21% increased risk.
“Our results show that waiting until middle age or older years to improve diet and exercise can’t always reverse the cumulative damage made during young adulthood.”
‘It was a novel finding and striking’
The study involved data on the blood pressure, cholesterol and cardiovascular health of 36,030 adults in the United States over an average of 17 years.
The data came from six different sources: the Atherosclerosis Risk in Communities Study; the Cardiovascular Risk Developing in Youth Adults study; the Cardiovascular Health Study; the Framingham Heart Study Offspring Cohort; the Health, Aging and Body Composition study; and the Multi-Ethnic Study of Atherosclerosis.
The researchers took a close look at the health of the adults in the data from ages 18 to 39, and then from 40 and older.
The researchers found that elevated diastolic blood pressure and “bad” LDL cholesterol before age 40 were associated with incidents of coronary heart disease after age 40, and elevated systolic blood pressure and diastolic blood pressure before 40 were associated with incidents of heart failure after 40.
“What was surprising was to see the strong association on young adult high LDL cholesterol and later life events — even after accounting for later life cholesterol level,” Moran said.
“We were also surprised at the association of young adult blood pressure with later life heart failure,” he said. “It was a novel finding and striking because many heart failure events occurs in older age.”
The study had some limitations, including that only associations between blood pressure, cholesterol levels and later cardiovascular events were found. More research is needed to determine a causal relationship.
More research is also needed to determine whether similar findings would emerge when comparing cardiovascular health in childhood to adulthood.
“Now that we found these associations of risk factors in young adulthood with later life heart disease and stroke risk, it begs the question, what about even earlier in life, as in childhood and adolescence? We are intrigued with the childhood period, and potential opportunities for early prevention there,” Moran said.
‘The time has come to recognize that preventive interventions are occurring too late’
In the editorial, they called for the medical community “to wake up” and recognize that preventive efforts are needed among younger adults.
“Young adults, particularly women and non-white individuals, have not shared in the overall reduction in cardiovascular disease rates over the last several decades and are less likely to receive guideline-based care,” Gidding and Robinson wrote in the editorial.
“The time has come to recognize that preventive interventions are occurring too late in life to have a substantial impact on the population burden of” atherosclerotic cardiovascular disease and heart failure, they wrote. “By moving to trials in younger higher-risk individuals who have less advanced disease more amenable to reversal, and developing precision medicine strategies based on genetics, imaging, and other risk factors, the next era of cardiovascular disease prevention can begin.”
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