[Subtotal cor triatriatum sinister associated with bilateral partial anomalous pulmonary venous return]

Area of Science:

• Cardiology
• Congenital Heart Disease
• Pediatric Cardiology

Background:

• Cor triatriatum sinister is a rare congenital cardiac anomaly, accounting for 0.1% of all such defects.
• It is frequently associated with other complex cardiac malformations.
• The condition involves an accessory chamber within the left atrium that obstructs pulmonary venous return.

Observation:

• A case report of a 4-month-old male infant is presented.
• The patient exhibited subtotal cor triatriatum sinister.
• Associated anomalies included right and left upper anomalous pulmonary venous return.

Findings:

• The patient presented with a specific anatomical variant of cor triatriatum sinister.
• The anomalous pulmonary venous return further complicated the cardiac physiology.
• Surgical or interventional management strategies would depend on the precise anatomical details and hemodynamic impact.

Implications:

• This case underscores the importance of detailed imaging in diagnosing complex congenital heart defects.
• Understanding rare variants like subtotal cor triatriatum sinister is crucial for effective clinical management.
• Such cases contribute to the broader knowledge base for treating pediatric cardiac anomalies.