Frailty syndrome and risk of cardiovascular disease: Analysis from the International Mobility in Aging Study.

Objective: To investigate the association between frailty and a summary cardiovascular risk measure (Framingham Risk Score, FRS) in a sample of older adults from different epidemiologic contexts participating in the multicenter International Mobility in Aging Study (IMIAS).
Material and Methods: This cross-sectional study used data from the IMIAS, which is composed of older adults from four different countries (Canada, Albania, Colombia and Brazil). A total of 1724 older adults aged 65-74 years were assessed. Frailty was defined as the presence of 3 or more of the following criteria: unintentional weight loss in the last year, exhaustion, muscle weakness, slowness in gait speed, and low levels of physical activity. The FRS was calculated to estimate the 10-year risk for cardiovascular disease (CVD), based on: sex, age, systolic blood pressure (SBP), and treatment for hypertension, total and high-density lipoprotein (HDL) cholesterol, diabetes mellitus status and smoking habits. Confounders included measures of childhood social and economic adversity, as well as mid-life and adult adversity.
Results: After adjustment for adversities which occurred during in early, adult or current life, frail individuals presented higher FRS values (β = 3.81, 95 %CI: 0.97-6.65, p-value <0.001) when compared to robust participants. A statistically significant relationship was also observed in prefrail participants with FRS (β = 1.61, 95 % CI: 0.72-3.02, p-value <0.05).
Conclusion: Frailty and prefrailty were associated to FRS, independent of life course adversities. Screening cardiovascular risk factors should be a target, mainly in those who present frailty syndrome.
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