Cardiovascular Health and Stroke in Older British Men
Background and Purpose:
Research exploring the utility of cardiovascular health (CVH) and its Life’s Simple 7 (LS7) components (body mass index, blood pressure [BP], glucose, cholesterol, physical activity, smoking, and diet) for prevention of stroke in older adults is limited. In the British Regional Heart Study, we explored (1) prospective associations of LS7 metrics and composite CVH scores with, and their impact on, stroke in middle and older age; and (2) if change in CVH was associated with subsequent stroke.
Methods:
Men without cardiovascular disease were followed from baseline recruitment (1978–1980), and again from re-examination 20 years later, for stroke over a median period of 20 years and 16 years, respectively. LS7 were measured at each time point except baseline diet. Cox models estimated hazard ratios (95% CI) of stroke for (1) ideal and intermediate versus poor levels of LS7; (2) composite CVH scores; and (3) 4 CVH trajectory groups (low-low, low-high, high-low, high-high) derived by dichotomising CVH scores from each time point across the median value. Population attributable fractions measured impact of LS7.
Results:
At baseline (n=7274, mean age 50 years), healthier levels of BP, physical activity, and smoking were associated with reduced stroke risk. At 20-year follow-up (n=3798, mean age 69 years) only BP displayed an association. Hazard ratios for intermediate and ideal (versus poor) levels of BP 0.65 (0.52–0.81) and 0.40 (0.24–0.65) at baseline; and 0.84 (0.67–1.05) and 0.57 (0.36–0.90) at 20-year follow-up. With reference to low-low trajectory, the low-high trajectory was associated with 40% reduced risk, hazard ratio 0.60 (0.44–0.83). Associations of CVH scores weakened, and population attributable fractions of LS7 reduced, from middle to old age; population attributable fraction of nonideal BP from 53% to 39%.
Conclusions:
Except for BP, CVH is weakly associated with stroke at older ages. Prevention strategies for older adults should prioritize BP control but also enhance focus beyond traditional risk factors.
Top-30
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Journal of the American Heart Association
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Publishers
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Elsevier
8 publications, 42.11%
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Ovid Technologies (Wolters Kluwer Health)
3 publications, 15.79%
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Wiley
2 publications, 10.53%
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Springer Nature
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2 publications, 10.53%
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Frontiers Media S.A.
1 publication, 5.26%
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1 publication, 5.26%
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- We do not take into account publications without a DOI.
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