Young and elderly patients with acute myocardial infarction: a comparative study of percutaneous coronary
Santiago Sierra-Castillo1, David Aristizabal-Colorado2, Juan Andrés Muñoz-Ordoñez3
1Department of Epidemiology, CES University, Medellín, Colombia.
Insights
A significant portion of acute myocardial infarction (AMI) cases occur in younger adults. Early-onset AMI patients show higher cholesterol and more aggressive coronary disease, necessitating early dyslipidemia detection and prevention.
Area of Science:
- Cardiology
- Vascular Biology
- Public Health
Background:
- Acute myocardial infarction (AMI) pathogenesis involves vascular endothelial injury, thrombus formation, and coronary artery obstruction.
- Angiography reveals diverse coronary injury patterns, with characterization of early- and late-onset AMI crucial for treatment optimization.
Purpose of the Study:
- To compare clinical characteristics and angiographic findings between early-onset (18-55 years) and late-onset (56-75 years) AMI patients.
- To identify differences in comorbidities, lipid profiles, and affected coronary vessels between the two age groups.
Main Methods:
- A cross-sectional study involving 117 patients diagnosed with AMI.
- Patients were stratified into early-onset and late-onset groups for comparative analysis.
Main Results:
- Early-onset AMI patients (median age 50) had higher median body weight (80 kg) and significantly higher total cholesterol levels compared to late-onset patients (median age 67).
- Hypertension was prevalent in both groups (30% early-onset, 61.8% late-onset), with other comorbidities more frequent in the late-onset group.
- Coronary angiography showed the left anterior descending artery or its branches were most commonly affected in both groups, with similar distribution.
Conclusions:
- A substantial number of AMI cases occur in younger individuals, characterized by elevated cholesterol and a trend towards more aggressive coronary disease.
- These findings underscore the importance of early dyslipidemia detection and targeted prevention strategies for early-onset AMI.
- Further research with larger cohorts is needed to refine characterization and inform public health interventions for this demographic.
Introduction:
Acute myocardial infarction (AMI) can be initiated by vascular endothelial injury, which facilitates thrombus formation and subsequently leads to coronary artery obstruction. Angiographic assessment enables the identification of various patterns of coronary injury. Characterizing early-onset and late-onset AMI may provide insights to guide optimal treatment strategies.
Methods:
This cross-sectional study included 117 patients with AMI, classified into early-onset (18-55 years) and late-onset (56-75 years) groups. Data were analysed to identify differences between groups.
Results:
The median age was 50 years in the early-onset group and 67 years in the late-onset group. Patients in the early-onset group exhibited a significantly higher median body weight (80 kg) compared to the late-onset group. Hypertension (HTN) was the most frequent comorbidity in both groups, present in 30% of early-onset patients and 61.8% of late-onset patients. Early-onset patients also had significantly higher total cholesterol levels, while other comorbidities were more prevalent among late-onset individuals. Late-onset patients demonstrated a tendency toward higher glycated haemoglobin levels. Coronary angiography revealed that the most frequently affected vessel was the left anterior descending artery or its branches, with a similar distribution between the two age groups.
Conclusions:
A substantial proportion of AMI cases occur in early-onset patients. These patients demonstrated higher cholesterol levels and a trend towards more aggressive coronary disease. These findings highlight the need for early detection of dyslipidaemia and targeted prevention strategies. Larger studies are warranted to better characterise this population and inform public health interventions.
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