Congenital Descending Aorta-Right Atrial Tunnel: A Case Report

Congenital Descending Aorta-Right Atrial Tunnel: A Case Report

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Introduction: Congenital descending aorta-right atrial tunnel is a rare congenital heart defect.Herein, a new case successfully treated by transcatheter closure using a new type of ventricular septal defect occluder from the aortic side was reported.Case Presentation: An 11-month-old Chinese girl presenting with a cardiac murmur was suspected with partial anomalous pulmonary venous connection as assessed by Basketball - Clothing - Junior echocardiography.

Descending aorta-right atrial tunnel was confirmed by computed tomography angiography and cardiac catheterization.Subsequently, transcatheter closure was performed successfully using a new type of ventricular septal defect occluder from the aortic side.The cardiac murmur disappeared after the intervention, and echocardiography did not reveal any abnormal flow inside the right atrium.

At 6 months, the patient had no murmur, and no residual shunt Kids was found using the echocardiogram.Conclusion: Descending aorta-right atrial tunnel is a rare anomaly.Transcatheter closure was successful in our case.

Long-term follow-up is needed to assess any progressive growth of the residual tunnel.