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Published on: August 18, 2016
[Epidemiology, risk factors, and triggers of acute coronary syndromes]
1Department of Epidemiology, National Cardiovascular Center.
Insights
Acute myocardial infarction incidence is stable in Japan overall, but rising in the oldest age groups. Understanding plaque rupture and thrombosis is key to preventing acute coronary syndromes by recognizing risk and triggering factors.
Area of Science:
- Cardiology
- Geriatric Medicine
- Epidemiology
Context:
- Acute myocardial infarction (AMI) incidence trends vary globally.
- The oldest age demographic presents unique challenges in cardiovascular health.
- Plaque rupture with superimposed thrombosis is a primary mechanism in acute coronary syndromes (ACS).
Purpose:
- To analyze trends in acute myocardial infarction incidence in Japan, particularly in the elderly.
- To highlight the critical role of plaque rupture and thrombosis in ACS.
- To emphasize the importance of identifying both conventional and triggering factors for ACS prevention.
Summary:
- While overall acute myocardial infarction rates remain stable in Japan, a concerning increase is observed in the oldest age groups.
- The pathophysiology of ACS predominantly involves plaque rupture leading to thrombosis.
- Effective prevention strategies require a comprehensive understanding of established risk factors and acute triggering events.
Impact:
- Informs public health strategies for cardiovascular disease prevention in aging populations.
- Enhances clinical awareness regarding the specific risks faced by the elderly.
- Contributes to a deeper understanding of ACS etiology for improved patient outcomes.
Abstract:
While the incidence rate of acute myocardial infarction appears not to be increased in Japan, that in the aged oldest age group tended to increase. Plaque rupture superimposed with thrombosis is the most common proximate cause of acute coronary syndrome. Recognition of not only conventional risk factors but also triggering factors is important for prevention of acute coronary syndromes.
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