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Thrombosis and coagulation abnormalities in the acute coronary syndromes
A Fischer1, D E Gutstein, V Fuster
1Cardiovascular Institute, Mt. Sinai Medical Center, New York, New York, USA.
Insights
Acute coronary syndromes, including heart attack, cause significant mortality and healthcare costs. Understanding atherosclerotic plaque stability is key to improving prevention and treatment strategies for these cardiovascular events.
Area of Science:
- Cardiology
- Vascular Biology
Background:
- Acute coronary syndromes (ACS), encompassing unstable angina and myocardial infarction, represent a major cause of mortality, morbidity, and healthcare expenditure.
- Coronary atherosclerotic plaques are often progressive and can destabilize, leading to acute events, frequently involving intracoronary thrombosis and myocardial ischemia.
- Despite advances, a high event rate persists following ACS, highlighting the need for improved therapeutic approaches.
Purpose of the Study:
- To review current understanding of acute coronary syndromes (ACS).
- To identify therapeutic targets for prevention and treatment of ACS.
- To emphasize the need for deeper insights into atherosclerotic plaque biology and stability.
Main Methods:
- Review of current literature on acute coronary syndromes.
- Analysis of pathophysiological mechanisms underlying plaque rupture and thrombosis.
- Evaluation of existing and emerging therapeutic strategies.
Main Results:
- ACS result from plaque rupture/disruption, leading to thrombosis and ischemia.
- Therapeutic strategies often focus on reversing prethrombotic states associated with atherosclerosis.
- Current treatments still leave a significant residual risk of adverse events.
Conclusions:
- Further progress in preventing and treating ACS and its thrombotic complications requires a comprehensive understanding of atherosclerotic plaque biology.
- Identifying factors influencing plaque stability is crucial for developing more effective interventions.
- Enhanced knowledge of plaque dynamics will guide future research and clinical practice in cardiovascular medicine.
Abstract:
The acute coronary syndromes, that include unstable angina, acute myocardial infarction, and many cases of sudden cardiac death, exact a considerable price on society in terms of mortality, morbidity, and health care costs. The coronary atherosclerotic lesion is often an indolent and progressive entity that can destabilize causing an acute syndrome with or without warning. The majority of acute coronary syndromes result from events such as rupture or disruption of the atherosclerotic plaque with intracoronary thrombosis and ischemia of the distal myocardium as a result. Advances in our understanding of the process underlying the acute coronary syndromes has allowed for the identification of targets and rational therapeutic strategies for the prevention and treatment of these syndromes. Many of these therapeutic strategies involve the reversal of prethrombotic forces that often coexist with coronary atherosclerosis. Even with recent advances in our approach to atherosclerosis, intracoronary thrombosis, and the resulting acute coronary syndromes, an unacceptably high event rate persists after these syndromes. Further advances in the prevention and treatment of coronary atherosclerosis and its thrombotic complications depends on a more thorough understanding of the biology of the atherosclerotic plaque and the factors which influence its stability.