Hypertriglyceridemia and Cardiovascular Outcomes

Gurveen Malhotra1, Ankur Sethi, Rohit Arora

  • 11Department of Internal Medicine, Mount Sinai Hospital, Chicago, IL; 2Department of Cardiology, Mount Sinai Hospital, Chicago, IL; and 3Department of Medicine, James Lovell Federal Health Care Center, North Chicago, IL.

Insights

Triglycerides (TG) are a controversial risk factor for cardiovascular disease. Recent research suggests elevated TG may increase cardiovascular mortality, especially in individuals with low low-density lipoprotein.

Area of Science:

  • Cardiology
  • Metabolic Disorders

Background:

  • Cardiovascular disease, especially ischemic heart disease, is a leading cause of death in the US.
  • Atherosclerosis, driven by risk factors like high LDL and hypertension, underlies ischemic heart disease.
  • The role of triglycerides (TG) in cardiovascular disease remains debated despite decades of research.

Purpose of the Study:

  • To review the current understanding of triglycerides as a cardiovascular risk factor.
  • To explore the significance of elevated TG in patients with low LDL.
  • To discuss potential interventions targeting TG for cardiovascular risk reduction.

Main Methods:

  • Literature review of studies investigating the relationship between TG and cardiovascular outcomes.
  • Analysis of recent meta-analyses on TG and cardiovascular mortality.
  • Examination of research on TG-lowering interventions.

Main Results:

  • Conflicting findings exist regarding the association between TG and cardiovascular mortality.
  • Recent meta-analyses indicate a significant positive relationship between TG and cardiovascular risk.
  • The impact of TG on cardiovascular health in specific patient populations (e.g., low LDL) requires further investigation.

Conclusions:

  • Triglycerides remain a controversial yet potentially significant risk factor for cardiovascular disease.
  • Further research is needed to clarify the role of TG and optimize therapeutic strategies.
  • Targeting TG may be a viable approach to reduce cardiovascular morbidity and mortality in select patients.

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