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Anatomical Reconstructions of the Human Cardiac Venous System using Contrast-computed Tomography of Perfusion-fixed Specimens
06:02

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Systemic venous anatomy in congenital heart disease: implications for electrophysiologic testing and catheter

Rachael Louise Cordina1, David S Celermajer, Mark A McGuire

  • 1Royal Prince Alfred Hospital, Sydney, Australia.

Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing
|October 22, 2011
PubMed

Insights

Congenital heart disease patients often have abnormal systemic venous anatomy, complicating electrophysiologic testing and ablation. Pre-procedural imaging is recommended to improve procedural success rates.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Congenital Heart Disease

Background:

  • Cardiac arrhythmias are a major concern in patients with congenital heart disease (CHD).
  • Abnormal systemic venous anatomy is common in CHD patients, potentially complicating cardiac procedures.
  • Electrophysiologic testing and interventions are frequently required in this population.

Purpose of the Study:

  • To review the prevalence and characteristics of systemic venous anomalies in adult congenital heart disease patients undergoing electrophysiologic testing.
  • To assess the impact of these anomalies on procedural outcomes.

Main Methods:

  • Retrospective review of 80 adult congenital heart disease patients who underwent electrophysiologic studies (EPS) between January 1998 and October 2009.
  • Analysis of systemic venous anatomy, identifying anomalies such as left superior vena cava and interrupted inferior vena cava.

Main Results:

  • Thirteen percent (10/80) of patients had congenital systemic venous anomalies.
  • Common anomalies included left superior vena cava (9%) and infrahepatic interruption of the inferior vena cava (5%).
  • In 40% of cases, venous abnormalities were incidentally discovered during EPS.

Conclusions:

  • Systemic venous anomalies are frequent in CHD patients and can complicate electrophysiologic testing and catheter ablation.
  • Pre-procedural imaging is crucial for identifying these anomalies and facilitating successful interventions.
  • Awareness of venous variations is essential for optimizing patient care in CHD.
Abstract

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