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Acute myocardial infarction in a young man with dilated cardiomyopathy: clinicopathological correlation
Joseph A L J Campbell1, Lyall A J Higginson, Kwan L Chan
1Division of Cardiology, University of Ottawa Heart Institute and Department of Medicine, University of Ottawa, Ontario.
Insights
Cardiac involvement is common in human immunodeficiency virus (HIV) patients, with dilated cardiomyopathy being a frequent complication. This case highlights coronary artery embolism as a rare but critical presentation of HIV cardiomyopathy.
Area of Science:
- Cardiology
- Infectious Diseases
- Pathology
Background:
- Cardiac involvement is frequently observed in autopsies of human immunodeficiency virus (HIV) infected individuals.
- While common, clinically significant cardiac disease is present in only a minority of HIV patients.
- Dilated cardiomyopathy is a prevalent cardiac manifestation associated with HIV infection.
Observation:
- Cardiovascular complications in HIV are projected to increase due to improved treatment and survival rates.
- Coronary thromboembolism is an infrequently reported complication in the context of dilated cardiomyopathy.
- Suspicion for coronary thromboembolism is warranted in patients with acute myocardial infarction, normal coronary arteries post-angiography, and a potential embolic source.
Findings:
- This report details a case of acute myocardial infarction diagnosed as coronary artery embolism secondary to HIV cardiomyopathy.
- The study discusses the relationship between coronary artery embolism and HIV cardiomyopathy.
Implications:
- This case underscores the importance of considering coronary artery embolism in the differential diagnosis of myocardial infarction in HIV patients.
- Increased awareness of this rare complication can lead to earlier diagnosis and management of HIV-related cardiac conditions.
- Further research into the mechanisms and prevalence of coronary embolism in HIV cardiomyopathy is warranted.
Abstract:
Cardiac involvement is commonly described in autopsy examinations of patients infected with human immunodeficiency virus (HIV). However, only a small percentage have clinically significant cardiac disease. Dilated cardiomyopathy is one of the most common HIV-related heart diseases. Cardiovascular complications of HIV infection are likely to become more common with improvements in treatment and survival. Coronary thromboembolism has rarely been reported in the setting of dilated cardiomyopathy. Coronary thromboembolism should be suspected in a patient presenting with acute myocardial infarction, normal coronary arteries at subsequent angiography and a potential source of embolus. A patient presenting with acute myocardial infarction subsequently diagnosed as a coronary artery embolism due to HIV cardiomyopathy is reported. Coronary artery embolism and HIV cardiomyopathy are briefly discussed.