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Congenital left ventricular diverticulum: A rare cause of cardiac arrhythmia
Isabelle Claus1, Bert Adriaenssens2, Katarina Van Beeumen3
1Department of Cardiac Surgery, UZ Gent, Ghent, Belgium.
Insights
Congenital left ventricular diverticula are rare heart defects. This study highlights surgical treatment for these diverticula when causing dangerous cardiac arrhythmias.
Area of Science:
- Cardiology
- Congenital Heart Disease
Background:
- Congenital left ventricular diverticula (CLVD) are rare cardiac malformations.
- While often asymptomatic, CLVD can lead to severe complications like ventricular arrhythmias, embolism, rupture, and valvular regurgitation.
Observation:
- Diagnosis involves excluding other cardiac conditions such as coronary artery disease, trauma, inflammation, and cardiomyopathies.
- Two cases of CLVD presenting with cardiac arrhythmia necessitating surgical intervention are detailed.
Findings:
- The primary management of CLVD complications focuses on treating ventricular arrhythmias.
- Surgical resection is indicated for larger CLVDs impacting hemodynamics.
Implications:
- This case series underscores the importance of considering CLVD in patients with unexplained arrhythmias.
- Early diagnosis and appropriate management, including surgical options, are crucial for improving outcomes in CLVD patients.
Abstract:
Congenital left ventricular diverticula are rare cardiac malformations that usually remain asymptomatic. However, life-threatening complications as ventricular arrhythmias, systemic embolism, spontaneous rupture and development of valvular regurgitation, are described. Diagnosis is based on excluding coronary artery disease, traumatic or inflammatory causes, and other underlying cardiomyopathies. Treatment is directed towards the potential complications, yielding mainly therapy of ventricular arrhythmia. Surgical resection is required for larger-sized congenital aneurysms with adverse hemodynamic effects. We present two cases of a left ventricular diverticulum causing cardiac arrhythmia which led to further surgical treatment.
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