International Journal of Cardiovascular Sciences. 25/Oct/2021;34(5 Supl 1):53-4.
Public Health Programs and Cardiovascular Diseases
Paolo Blanco Villela
, Larissa Franco de Andrade
For decades, cardiovascular diseases, mainly coronary artery disease and stroke, have been the main cause of death in Brazil. In 2017, they accounted for 27.3% of all deaths in the country, with an age-standardized mortality rate of 178 per 100,000 inhabitants. In the same year, cerebrovascular diseases had an age-standardized mortality rate of 80 per 100,000 inhabitants. With respect to the burden of cardiovascular diseases, the number are even more concerning, with 1,602.4 disability-adjusted life years (DALYs) per 100,000 inhabitants for coronary disease and 1,145.3 DALYs per 100,000 inhabitants for stroke.
Although these numbers represent a decrease when compared with numbers in the year of 1990, the control of cardiovascular risk factors is clearly important. In this regard, in addition to the traditional risk factors, socioeconomical factors are known to play an important role in the development of these diseases. Investigators of the Prospective Urban Rural Epidemiologic (PURE) study evaluated socioeconomic status and educational attainment in adults aged between 35 and 70 years from 367 urban and 302 rural communities in 20 countries (five low-income countries, 11 middle-income and five low-income countries), with a total of 164,169 participants. The authors concluded that people with a lower level of education had higher mortality rates from cardiovascular events in all the countries. However, the authors discuss that these findings may be explained not only by the higher prevalence of risk factors, but also by the lower access to secondary prevention and medical management of chronic diseases such as hypertension and diabetes mellitus compared with people with higher level of education. This is in line with the study by Schultz et al., who demonstrated that even in high-income countries, factors like employment status, educational attainment, income level, and neighborhood socioeconomic factors are related to cardiovascular diseases. Thus, the authors consider the access to health services as part of a high-quality health care of low socioeconomic status populations. Therefore, it is possible to infer that, compared with absolute income, inequality levels are more stronger determinants of cardiovascular outcomes.
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