The burden of hypercholesterolemia and ischemic heart disease in an ageing world

Angela Pirillo1, Giuseppe Danilo Norata2

  • 1Center for the Study of Atherosclerosis, E. Bassini Hospital, Cinisello Balsamo, Milan, Italy.

PubMed

Insights

Cardiovascular diseases remain a leading cause of death globally. Disparities in hypercholesterolemia treatment and awareness, particularly between high-income and lower-income countries, contribute to ongoing ischemic heart disease deaths.

Area of Science:

  • Cardiology
  • Public Health
  • Epidemiology

Background:

  • Cardiovascular diseases (CVDs), especially ischemic heart disease (IHD), are the leading global cause of mortality and disability.
  • Hypercholesterolemia is a primary risk factor for IHD, necessitating effective management strategies.
  • Despite advances in cholesterol-lowering drugs, disparities in dyslipidemia awareness and healthcare expenditure persist globally.

Purpose of the Study:

  • To analyze global trends in plasma cholesterol levels and their association with ischemic heart disease (IHD) mortality.
  • To investigate disparities in hypercholesterolemia management and outcomes across different global economic strata.
  • To identify specific demographic groups, such as women and older individuals, most affected by these disparities.

Main Methods:

  • Analysis of global health data on cardiovascular disease mortality and plasma cholesterol levels over the past three decades.
  • Stratification of data by country income levels to assess economic disparities in health outcomes.
  • Examination of age- and sex-specific mortality data related to high LDL-C levels.

Main Results:

  • Global plasma cholesterol levels have shown no significant change over 30 years, but high-income countries have improved lipid profiles, leading to reduced IHD deaths.
  • Lower-income countries have not seen similar improvements, with some experiencing increases in IHD mortality.
  • High LDL-C related IHD deaths disproportionately affect individuals aged 60 and above, with income-based variations observed.

Conclusions:

  • Significant global disparities exist in managing hypercholesterolemia, directly impacting IHD mortality rates.
  • Economic status is a critical determinant of success in reducing cholesterol-related cardiovascular disease burden.
  • Targeted interventions are needed to bridge the gap in hypercholesterolemia treatment, focusing on vulnerable populations including women and the elderly.

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