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A nested case-control study published in JAMA Cardiology found that people who later experienced cardiovascular events had poorer measures of frailty, intrinsic capacity and physical health than matched controls up to a decade beforehand. The differences generally widened during the five years before an event, but the observational findings do not show that functional decline causes cardiovascular disease or establish a screening approach.
A study of 12,015 participants found that people who went on to experience cardiovascular disease events had poorer functional health than matched controls as far as 10 years before the event, according to research published online September 23 in JAMA Cardiology. The findings point to a long-term association between functional decline and later cardiovascular events, but do not establish that decline causes those events or that a particular intervention would prevent them.
Aung Zaw Zaw Phyo of Monash University in Melbourne and colleagues analyzed data from the Aspirin in Reducing Events in the Elderly (ASPREE) cohort. The analysis compared 2,403 people who experienced a cardiovascular event with 9,612 matched controls. Researchers tracked measures of functional aging in the years before the cases’ events.
Compared with controls, the people who later had an event had higher frailty, lower intrinsic capacity and poorer physical health-related quality of life. The differences were present well before the event and became markedly wider in the five preceding years, the report said. Over time, the cases showed faster increases in frailty and steeper declines in the other measures.
The researchers reported changes using statistical coefficients: increases in the Frailty Index (β = 0.78) and Fried phenotype frailty (β = 0.05), alongside declines in intrinsic capacity (β = −0.34) and physical health-related quality of life (β = −0.55). The source report does not provide the scale or units needed to interpret these coefficients as direct clinical changes, so they should not be read as percentages or individual risk estimates.
A Longer Window for Clinical Attention
The findings matter because they suggest that changes in physical function and frailty may be visible years before a cardiovascular event is diagnosed. If confirmed and translated into clinical practice, such patterns could encourage clinicians to consider a person’s broader functional health alongside conventional cardiovascular risk information, rather than viewing an event as an isolated, sudden development.
The authors described the pattern as potentially indicating a prolonged window for closer clinical evaluation and early intervention. That is an interpretation of the study, not evidence that screening for functional decline prevents heart attacks, strokes or heart failure. The report does not test a screening program, specify an intervention, or show that changing a functional measure alters cardiovascular outcomes.
For readers, the results are not a basis for self-diagnosis: functional decline is not proof that a cardiovascular event will occur. They do, however, reinforce the value of discussing substantial changes in mobility, strength or day-to-day capacity with a qualified health professional, who can assess them in the person’s wider medical context.
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How ASPREE Participants Were Compared
The study, titled “Multidimensional Aging Trajectories Preceding Cardiovascular Events,” was published in JAMA Cardiology in 2026. It used a nested case-control design within the ASPREE cohort, comparing participants who experienced a cardiovascular event with matched participants who did not have a corresponding event during the analysis.
The cardiovascular outcomes included a composite of events, with analyses also considering heart failure, fatal coronary heart disease, myocardial infarction and stroke. The report says similar functional patterns appeared across the components, but the timing differed: divergence was seen at least 10 years before heart failure and fatal coronary heart disease, earlier than for myocardial infarction or stroke.
Because the analysis examines trajectories before events rather than testing a cause, it can identify an association and its timing but cannot determine why the measures diverged. The article reporting the study was published by Medical Xpress on October 1, citing the journal paper and its authors.
“Declines in functional aging markers were prominent before clinically apparent CVD.”
— The study authors, as quoted in the report
What the Study Cannot Establish
The reported analysis does not show that worsening function causes cardiovascular disease, or that it can reliably predict which person will experience an event. The available source summary does not give enough detail about the full statistical methods, participant characteristics, event counts by outcome, or the precise measurement scales to judge individual-level predictive performance.
It also remains unclear whether the trajectory differences would be similar in populations outside the ASPREE cohort or in people with different health profiles. The study’s reported associations do not establish a threshold for clinical action, and the authors’ suggestion of early intervention should not be taken as proof that any specific treatment or monitoring plan prevents cardiovascular events.
From Observed Patterns to Clinical Tests
The next research step is to determine whether functional measures add useful predictive information beyond established cardiovascular assessments, and whether the patterns can be reproduced in other groups. Studies would also need to test whether acting on these findings improves health outcomes before clinicians can treat them as a validated screening strategy.
The paper is published in JAMA Cardiology, and the report provides no announced follow-up trial or implementation timeline. For now, the finding is an observational research result: functional decline was associated with later events, while the clinical response and any effect on risk remain to be established.
Key Questions
How many people were included in the study?
The analysis included 12,015 ASPREE participants: 2,403 people who experienced a cardiovascular event and 9,612 matched controls.
Which functional measures differed before cardiovascular events?
The report describes higher frailty, lower intrinsic capacity and poorer physical health-related quality of life among people who later had an event. Differences were present years beforehand and widened markedly in the five years before the event.
Does functional decline mean someone will have a heart attack or stroke?
No. The study found group-level associations before cardiovascular events; it does not establish that functional decline predicts an event for an individual or causes one.
Did the study show that early intervention prevents cardiovascular disease?
No. The authors said the findings may point to a window for closer evaluation and early intervention, but this analysis did not test an intervention or show that it prevents events.
Source: rss
