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[Asymptomatic cor triatriatum sinister in adulthood].
FehriWafa1, Wafa Haddad, Dhafer Lahidheb
1Service de Cardiologie, Hôpital Militaire de Tunis.
La Tunisie Medicale
|June 8, 2006
Summary
Cor triatrium sinister, a rare congenital heart defect, involves a membrane dividing the left atrium, obstructing pulmonary blood flow. This case highlights a non-obstructive form discovered incidentally in an adult, emphasizing varied presentations.
Area of Science:
- Cardiology
- Congenital Heart Disease
- Cardiac Surgery
Background:
- Cor triatrium sinister is a rare congenital anomaly (0.1% of congenital heart disease cases).
- It features an abnormal fibromuscular membrane subdividing the left atrium, impeding pulmonary venous return.
- Severity ranges from asymptomatic to symptomatic in childhood or adulthood.
Observation:
- A case of non-obstructive Cor triatrium sinister is presented in a 31-year-old male.
- The anomaly was incidentally discovered during evaluation for atrial fibrillation secondary to hyperthyroidism.
- Diagnosis was confirmed using echocardiography.
Findings:
- The patient presented with an asymptomatic, non-obstructive form of Cor triatrium sinister.
- This contrasts with typical presentations that cause pulmonary venous obstruction.
- Literature review suggests varied clinical outcomes depending on obstruction severity.
Implications:
- This case underscores the importance of considering rare congenital heart anomalies even in adults presenting with common arrhythmias.
- Non-obstructive Cor triatrium sinister may remain undiagnosed until adulthood, potentially influencing management strategies for other conditions like atrial fibrillation.
- Further evaluation of long-term outcomes for incidentally discovered non-obstructive forms is warranted.