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Left ventricular aneurysm: angiographic determinants
P M Jagtap1, N B Desai, N O Bansal
1Department of Cardiology, Grant Medical College, Byculla, Bombay.
Insights
Left anterior descending artery disease and poor collateral circulation are key factors in left ventricular aneurysm formation after myocardial infarction. These conditions increase the risk of developing aneurysms post-heart attack.
Area of Science:
- Cardiology
- Cardiovascular Research
- Medical Imaging
Background:
- Left ventricular aneurysm formation is a serious complication following myocardial infarction.
- Identifying predictive factors is crucial for patient management and risk stratification.
Purpose of the Study:
- To investigate angiographic determinants of left ventricular aneurysm after anterior wall myocardial infarction.
- To assess the role of coronary artery disease extent and collateral circulation.
Main Methods:
- Retrospective analysis of 50 patients with first anterior wall myocardial infarction.
- Cardiac catheterization and coronary angiography within 6 months post-infarction.
- Detailed evaluation of coronary artery disease and collateral circulation status.
Main Results:
- Left ventricular aneurysms were observed in 50 patients (30 apical, 20 anteroapical).
- 49 patients had significant left anterior descending artery involvement with poor collateralization.
- Coronary artery disease patterns included single (17), double (17), and triple-vessel (15) disease.
Conclusions:
- Left anterior descending artery disease combined with poor collateral blood supply is a significant risk factor for left ventricular aneurysm post-myocardial infarction.
- Angiographic assessment of collateralization is vital in patients at risk.
Abstract:
To determine antiographic factors involved in left ventricular aneurysm formation after myocardial infarction, 50 patients with a first anterior wall myocardial infarction who underwent cardiac catheterisation within 6 months of infarction were evaluated. Extent of coronary artery disease and status of collateral circulation were studied in detail. Thirty patients had aneurysm in apical region while 20 patients showed aneurysm in anteroapical region. Coronary angiography revealed single-vessel disease in 17 patients, double-vessel disease in 17 patients and triple-vessel disease in 15 patients while in one patient coronary angiogram was normal. Fortynine patients showed significant involvement of left anterior descending artery which was poorly collateralised. Left anterior descending artery disease in association with inherent poor collateral blood supply may predispose for aneurysm formation after anterior wall myocardial infarction.