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Atrial septal defect repair gone wrong.

Richard Bloomingdale1, Said Ashraf1, Shaun Cardozo1

  • 1Wayne State University, Detroit, MI, USA.

Echocardiography (Mount Kisco, N.Y.)
|December 9, 2016
PubMed
Summary
This summary is machine-generated.

A rare case of a surgically repaired atrial septal defect (ASD) led to superior vena cava (SVC) syndrome due to patch malpositioning, requiring intervention decades later. This highlights the long-term implications of complex congenital heart defect repairs.

Keywords:
ASD repair historyatrial septal defect repaircongential heart defect

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Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Medical Imaging

Background:

  • Atrial septal defect (ASD) is a common congenital heart disorder, accounting for 13% of cases.
  • Surgical closure was the primary treatment for ASD until the 1990s and remains essential for large defects.
  • Outcomes of ASD repair depend on defect location, size, and associated cardiac anomalies.

Observation:

  • A 64-year-old woman presented with dyspnea 53 years after childhood ASD surgical repair.
  • Cardiac imaging revealed a patch that appeared to be intentionally perforated to alleviate superior vena cava (SVC) syndrome symptoms.
  • Despite intervention, severe SVC dilation and a thrombus were noted.

Findings:

  • CT angiography demonstrated the ASD patch obstructing the superior vena cava (SVC) ostium instead of closing the ASD.
  • Transesophageal echocardiography confirmed the malpositioned patch, leaving the sinus venosus ASD patent.
  • The surgical perforation was likely an attempt to decompress the SVC, but resulted in malpositioning.

Implications:

  • This case underscores the potential for long-term complications from congenital heart defect repairs, even decades later.
  • Accurate anatomical assessment and surgical technique are critical for preventing delayed complications like SVC syndrome.
  • Advanced cardiac imaging is crucial for diagnosing and understanding complex post-surgical cardiac anatomy.