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Leukocytosis as a Risk Factor for Coronary Artery Disease: Pathophysiology and Epidemiology

Toka Amin1, Muhammad Haseeb Ul Rasool1, Bike Ilyada Ozkan1

  • 1From the Department of Medicine, Icahn School of Medicine at Mount Sinai Medical Center, New York, NY.

Cardiology in Review
|December 3, 2024
PubMed

Insights

Elevated white blood cell counts, known as leukocytosis, are increasingly recognized as a significant risk factor for coronary artery disease (CAD). This condition contributes to the development and progression of atherosclerotic plaques, impacting heart health.

Area of Science:

  • Cardiovascular Medicine
  • Immunology
  • Epidemiology

Background:

  • Coronary artery disease (CAD) involves plaque buildup in arteries, reducing heart blood flow.
  • Endothelial injury initiates a process involving monocytes differentiating into foam cells, contributing to plaque formation.
  • Traditional risk factors include smoking, hypertension, and diabetes mellitus.

Purpose of the Study:

  • To explore the role of inflammation in CAD pathogenesis.
  • To investigate leukocytosis (elevated white blood cell count) as an independent risk factor for CAD.
  • To discuss the pathophysiology and epidemiology of leukocytosis in relation to CAD.

Main Methods:

  • Review of existing literature on CAD, inflammation, and white blood cell counts.
  • Analysis of the biological mechanisms linking endothelial injury to leukocytosis and plaque formation.
  • Examination of epidemiological data correlating inflammatory markers with CAD prevalence.

Main Results:

  • Chronic inflammatory conditions are frequently associated with coronary artery syndromes.
  • White blood cells play a crucial role in the development and progression of cardiovascular disease.
  • Leukocytosis is identified as a potential independent risk factor for CAD.

Conclusions:

  • Leukocytosis is implicated in the pathophysiology of coronary artery disease.
  • Inflammatory markers, including white blood cell count, warrant consideration in CAD risk assessment.
  • Further research into the epidemiological and pathophysiological links between leukocytosis and CAD is essential.

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