Insight to the pathophysiology of stable angina pectoris

Dimitris Tousoulis1, Emmanuel Androulakis, Anna Kontogeorgou

  • 11st Cardiology Department, Hippokration Hospital, Athens University Medical School, Greece. drtousoulis@hotmail.com

Insights

Chronic stable angina, a common emergency room presentation, stems from myocardial ischemia due to atherosclerosis. Understanding its complex pathophysiology, including endothelial dysfunction and microvascular issues, remains crucial for effective treatment.

Area of Science:

  • Cardiology
  • Vascular Biology
  • Pathophysiology

Background:

  • Atherosclerosis is a chronic inflammatory vascular disease.
  • Myocardial ischemia, causing angina pectoris, results from oxygen supply-demand imbalance.
  • Chronic stable angina is a frequent emergency room complaint linked to myocardial ischemia without necrosis.

Purpose of the Study:

  • To explore the pathophysiology of chronic coronary syndrome.
  • To highlight the role of endothelial dysfunction and microvascular coronary dysfunction in anginal chest pain.
  • To investigate the impact of atherosclerotic plaques and vascular remodeling on coronary flow and symptoms.

Main Methods:

  • Review of current data on atherosclerosis and myocardial ischemia.
  • Analysis of the role of endothelial dysfunction in early atherogenesis.
  • Examination of microvascular coronary dysfunction in non-obstructive coronary artery disease.
  • Investigation of the effects of atherosclerotic plaques and vascular remodeling on coronary flow.

Main Results:

  • Endothelial dysfunction is an early event in atherosclerosis.
  • Microvascular coronary dysfunction is implicated in anginal chest pain without obstructive coronary artery disease.
  • Atherosclerotic plaques and multivessel obstructions affect coronary flow.
  • Vascular remodeling contributes to stable angina and claudication.

Conclusions:

  • The pathophysiology of chronic coronary syndrome involves complex interactions.
  • Endothelial and microvascular dysfunction are key contributors to angina.
  • Further research is needed to fully elucidate the mechanisms of chronic coronary syndrome.

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