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Ventricular septal aneurysm: a complication of myocardial infarction
S R Dixon1, M E Legget, S P Wong
1Department of Cardiology, Green Lane Hospital, Green Lane West, Auckland 1003, New Zealand.
Insights
This case study describes a ventricular septal aneurysm, a rare complication following myocardial infarction. Echocardiography revealed a cystic cavity in the septum without a significant left-to-right shunt.
Area of Science:
- Cardiology
- Cardiac Surgery
- Medical Imaging
Background:
- Myocardial infarction (MI) can lead to various cardiac complications.
- Ventricular septal defects (VSDs) are a known, albeit uncommon, post-MI complication.
Observation:
- A patient with a history of inferior myocardial infarction presented with a unique cardiac anomaly.
- Two-dimensional echocardiography identified a cystic cavity within the muscular interventricular septum.
- A small communication was noted between this cavity and the left ventricle.
Findings:
- Doppler echocardiography excluded a left-to-right shunt.
- Left ventriculography also failed to demonstrate any significant shunt.
- The findings suggest a contained septal aneurysm rather than a typical VSD.
Implications:
- This case highlights the importance of advanced imaging in diagnosing rare post-MI sequelae.
- Understanding such aneurysms is crucial for appropriate patient management and risk assessment.
- Further research may elucidate the specific mechanisms and long-term outcomes of septal aneurysms.
Abstract:
We report the case of a ventricular septal aneurysm in a patient with a previous inferior myocardial infarction. Two-dimensional echocardiography demonstrated a cystic cavity in the muscular septum with a small communication into the left ventricle. No evidence of left-to-right shunt was detected with Doppler echocardiography or during left ventriculography.