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[Ischemic cardiopathy in the young: coronarographic and autopsy picture in 100 subjects]
D Assanelli1, M Marconi, L Cazzamalli
1Cattedra di Cardiologia, Università degli Studi, Brescia.
Insights
Coronary artery disease in young adults (<45 years) often involves multiple vessels. Sudden death in younger patients may be linked to left main coronary artery disease, suggesting natural preselection.
Area of Science:
- Cardiology
- Vascular Medicine
- Young Adult Health
Background:
- Coronary artery disease (CAD) in individuals under 45 is not fully understood.
- Acute coronary events in young patients present unique diagnostic and prognostic challenges.
- Sudden cardiac death in the young is a significant public health concern.
Purpose of the Study:
- To investigate the characteristics of coronary artery disease in patients under 45 years old.
- To compare coronary artery anatomy and disease patterns between young patients who died suddenly and those who survived acute coronary events.
- To explore the potential role of left main coronary artery involvement and multivessel disease in young-onset CAD.
Main Methods:
- Retrospective analysis of 100 patients (<45 years) with acute coronary artery disease.
- Categorization into four groups: deceased with acute myocardial infarction (AMI), deceased without AMI, survivors of AMI, and survivors of unstable angina.
- Anatomic dissection for deceased groups (I & II); coronary angiography for surviving groups (III & IV).
Main Results:
- Multivessel coronary artery disease was more prevalent in deceased patients (Groups I & II) compared to survivors.
- Left main coronary artery involvement was exclusively observed in deceased patients (Groups I & II).
- While multivessel disease was more frequent in deceased younger patients, the difference was not statistically significant.
Conclusions:
- Coronary artery disease with multivessel involvement is a considerable issue in young patients.
- The absence of left main disease in coronary angiographies of survivors may result from natural preselection due to sudden death.
- Further research is needed to elucidate the specific mechanisms and risk factors for CAD in younger populations.
Abstract:
Many aspects of coronary artery disease in young people are not completely understood. Our study concerns a series of 100 patients < 45 years with acute coronary artery disease. Sixty patients survived and 40 died suddenly. All subjects have been divided into four groups: Group I includes 20 deceased patients with anatomic features of acute myocardial infarction. Group II includes 20 subjects dead without features of acute myocardial infarction. Group III includes 30 patients surviving the first acute myocardial infarction. Group IV includes 30 patients surviving unstable angina. The coronary arteries have been studied by anatomic dissection in Group I and II and with coronarography in Groups III and IV. The left main was only involved in Group I and II patients. Multivessel disease was more frequent in Group I and II, but the difference was not significant. These results underline that coronary artery disease with multivessel involvement is not rare in young patients. The rare occurrence of left main disease at coronary angiography could be the consequence of the natural preselection determined by sudden death.