Key result
Remaining active post-MI is linked to ~37% lower risk of recurrent nonfatal CVD events.
Why the study?
MI survivors face an increased risk of recurrent cardiovascular events, and it was unclear how physical activity levels or changes during the first year post-MI associate with nonfatal recurrent CVD events.
Does maintaining or changing physical activity levels during the first year post-MI reduce the incidence of recurrent nonfatal cardiovascular events in myocardial infarction survivors?
Population
47 153 survivors of MI in Swedish national registries
Comparison
Remaining active, increasing, or decreasing physical activity vs remaining inactive
Design
Registry-based cohort study
Follow-up
6 years
Authors
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May support post-MI activity counseling; leaves open causal confirmation in randomized trials.
Cohort (n=47,153)
Yes
Does maintaining or changing physical activity levels during the first year post-MI reduce the incidence of recurrent nonfatal cardiovascular events in myocardial infarction survivors?
Effect estimate: 37% lower risk (remaining active)
p-value: p=<0.05
Maintaining or increasing physical activity during the first year after a myocardial infarction is associated with a significantly lower risk of recurrent nonfatal cardiovascular events, including MI, stroke, and vascular dementia.
Lönn et al. (2023) conducted a cohort in Myocardial Infarction (n=47,153). Physical activity (remaining active, increasing, or decreasing) vs. Remaining physically inactive was evaluated on Any recurrent nonfatal CVD events (37% lower risk (remaining active), p=<0.05). Remaining physically active post-MI was associated with a 37% lower risk of recurrent nonfatal CVD events compared with remaining inactive (P<0.05).
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