[A surgical case of coronary sinus ASD]

H Shimura1, S Uemura, Y Harada

  • 1Department of Cardiovascular Surgery, Chiba Kaihin Municipal Hospital.

Insights

A rare case of coronary sinus atrial septal defect (ASD) was found in a 56-year-old woman during surgery. This defect, associated with a missing left superior vena cava (LSVC), was successfully repaired using a pericardial patch.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Congenital Heart Disease

Background:

  • Atrial septal defects (ASDs) are common congenital heart anomalies.
  • Coronary sinus type ASDs are a rare subtype, often associated with other cardiac anomalies.
  • Diagnosis can be challenging, especially when presenting incidentally in adulthood.

Observation:

  • A 56-year-old woman presented for an operation where a coronary sinus ASD was incidentally discovered.
  • A persistent left superior vena cava (LSVC) was absent.
  • The coronary sinus anomalously drained directly into the left atrium.

Findings:

  • The coronary sinus ASD was confirmed intraoperatively.
  • The absence of LSVC and anomalous drainage of the coronary sinus into the left atrium were key anatomical findings.
  • The defect was surgically closed using a pericardial patch.

Implications:

  • This case highlights the importance of recognizing rare coronary sinus ASD variants.
  • Surgical repair is feasible and effective for such anomalies.
  • Understanding these variations is crucial for accurate diagnosis and successful surgical management in adult congenital heart disease.