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Dilated coronary sinus mimicking posterior left ventricular aneurysm
T Tirilomis1, F L Saldaña, H Dalichau
1Department of Thoracic, Cardiac, and Vascular Surgery, University Hospital, Göttingen, Germany.
Insights
Dilated coronary sinus, often congenital, can mimic acquired lesions like left ventricular aneurysms. This case highlights a dilated coronary sinus misdiagnosed preoperatively, with normal ventricular function.
Area of Science:
- Cardiology
- Cardiac Surgery
- Medical Imaging
Background:
- Coronary sinus dilation is primarily a congenital anomaly.
- Acquired coronary sinus dilation is infrequently associated with impaired left ventricular function.
Observation:
- A patient presented with symptoms suggestive of a posterior left ventricular aneurysm.
- Preoperative assessment included angiography to evaluate left ventricular function and structure.
Findings:
- Surgical exploration revealed a dilated coronary sinus, not a left ventricular aneurysm.
- The patient exhibited normal preoperative left ventricular function, contrary to expectations for acquired lesions.
Implications:
- This case underscores the importance of considering coronary sinus dilation in the differential diagnosis of cardiac masses or aneurysms.
- Accurate preoperative diagnosis is crucial for appropriate surgical planning and management of cardiac conditions.
- Further research may elucidate the specific mechanisms and clinical significance of acquired coronary sinus dilation.
Abstract:
Dilation of the coronary sinus is mostly a congenital lesion. As acquired lesion it was found to be associated with poor left ventricular function. In the present case an angiographic diagnosed posterior left ventricular aneurysm was during surgery found to be a dilated coronary sinus. Preoperative left ventricular function was normal.