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Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
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[Clinical utility of computed tomography in diagnosing sinus venosus atrial septal defect]

Anna Lisowska1, Anna Tomaszuk-Kazberuk, Małgorzata Knapp

  • 1Uniwersytet Medyczny w Białymstoku. anlila@poczta.onet.pl.

Kardiologia Polska
|September 26, 2013
PubMed

Insights

A previously closed atrial septal defect led to enlarged heart chambers and pulmonary hypertension. Computed tomography confirmed a sinus venosus atrial septal defect with partial anomalous pulmonary venous drainage.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Congenital Heart Disease

Background:

  • Atrial septal defects (ASDs) are common congenital heart anomalies.
  • Surgical or interventional closure is the standard treatment for significant ASDs.
  • Recurrence or missed diagnoses can lead to long-term complications.

Observation:

  • A 51-year-old patient with a history of surgically closed ASD presented with routine echocardiographic findings.
  • Transthoracic echocardiography revealed right ventricular and right atrial enlargement, along with pulmonary hypertension.
  • Transesophageal echocardiography identified a sinus venosus atrial septal defect and suggested partial anomalous pulmonary venous drainage.

Findings:

  • Computed tomography (CT) with contrast was crucial for definitive diagnosis.
  • The CT scan confirmed the presence of a sinus venosus ASD.
  • Partial anomalous pulmonary venous drainage was definitively diagnosed via CT imaging.

Implications:

  • This case highlights the importance of comprehensive imaging in patients with complex cardiac histories.
  • Delayed diagnosis of residual or missed ASDs can lead to significant cardiopulmonary complications.
  • CT angiography is essential for characterizing complex congenital heart anomalies and venous drainage patterns.

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