A multiple risk factor program is associated with decreased risk of cardiovascular disease in 70-year-olds: A cohort study from Sweden

English version

Autoři: Anna Nordström ^aff001; Jonathan Bergman ^aff003; Sabine Björk ^aff001; Bo Carlberg ^aff004; Jonas Johansson ^aff005; Andreas Hult ^aff001; Peter Nordström ^aff003
Působiště autorů: Division of Sustainable Health, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden ^aff001; School of Sport Sciences, The Arctic University of Norway, Tromsø, Norway ^aff002; Unit of Geriatric Medicine, Department of Community Medicine and Rehabilitation, Umeå University, Umeå, Sweden ^aff003; Division of Medicine, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden ^aff004; Department of Community Medicine, The Arctic University of Norway, Tromsø, Norway ^aff005
Vyšlo v časopise: A multiple risk factor program is associated with decreased risk of cardiovascular disease in 70-year-olds: A cohort study from Sweden. PLoS Med 17(6): e32767. doi:10.1371/journal.pmed.1003135
Kategorie: Research Article
doi: https://doi.org/10.1371/journal.pmed.1003135

Souhrn

Background

In individuals below 65 years of age, primary prevention programs have not been successful in reducing the risk of cardiovascular disease (CVD) and death. However, no large study to our knowledge has previously evaluated the effects of prevention programs in individuals aged 65 years or older. The present cohort study evaluated the risk of CVD in a primary prevention program for community-dwelling 70-year-olds.

Method and findings

In 2012–2017, we included 3,613 community-dwelling 70-year-olds living in Umeå, in the north of Sweden, in a health survey and multidimensional prevention program (the Healthy Ageing Initiative [HAI]). Classic risk factors for CVD were evaluated, such as blood pressure, lipid levels, obesity, and physical inactivity. In the current analysis, each HAI participant was propensity-score-matched to 4 controls (n = 14,452) from the general Swedish population using national databases. The matching variables included age, sex, diagnoses, medication use, and socioeconomic factors. The primary outcome was the composite of myocardial infarction, angina pectoris, and stroke. The 18,065 participants and controls were followed for a mean of 2.5 (range 0–6) years. The primary outcome occurred in 128 (3.5%) HAI participants and 636 (4.4%) controls (hazard ratio [HR] 0.80, 95% CI 0.66–0.97, p = 0.026). In HAI participants, high baseline levels of blood pressure and lipids were associated with subsequent initiation of antihypertensive and lipid-lowering therapy, respectively, as well as with decreases in blood pressure and lipids during follow-up. In an intention-to-treat approach, the risk of the primary outcome was lower when comparing all 70-year-olds in Umeå, regardless of participation in HAI, to 70-year-olds in the rest of Sweden for the first 6 years of the HAI project (HR 0.87, 95% CI 0.77–0.97, p = 0.014). In contrast, the risk was similar in the 6-year period before the project started (HR 1.04, 95% CI 0.93–1.17, p = 0.03 for interaction). Limitations of the study include the observational design and that changes in blood pressure and lipid levels likely were influenced by regression towards the mean.

Conclusions

In this study, a primary prevention program was associated with a lower risk of CVD in community-dwelling 70-year-olds. With the limitation of this being an observational study, the associations may partly be explained by improved control of classic risk factors for CVD with the program.

Klíčová slova:

Angina – Blood pressure – Cardiovascular diseases – Hypertension – Lipids – Medical risk factors – Myocardial infarction – Sweden

Zdroje

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