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Extracardiac complications of the Fontan circuit

Geetika Khanna1, Sanjeev Bhalla, Rajesh Krishnamurthy

  • 1Mallinckrodt Institute of Radiology, Washington University School of Medicine, Campus Box 8131, 510 S. Kingshighway, St. Louis, MO 63110, USA. khannag@mir.wustl.edu

Pediatric Radiology
|August 25, 2011
PubMed

Insights

The Fontan operation treats single-ventricle heart defects. As more children survive, radiologists increasingly encounter Fontan circuit complications, especially extracardiac issues in failing Fontan circuits.

Area of Science:

  • Pediatric Cardiology
  • Congenital Heart Disease
  • Surgical Palliation

Background:

  • The Fontan operation is a critical palliative surgery for univentricular cardiac physiology.
  • Improved survival rates in congenital heart disease lead to more frequent long-term Fontan circuit complications.
  • Radiologists play a key role in identifying both cardiac and extracardiac issues associated with the Fontan circuit.

Purpose of the Study:

  • To highlight common extracardiac complications in children with Fontan circuit failure.
  • To enhance radiologists' diagnostic capabilities for Fontan-associated complications.
  • To guide cardiologists in managing patients with failing Fontan circuits.

Main Methods:

  • Review of imaging findings in pediatric patients with Fontan circuits.
  • Analysis of common extracardiac complications.
  • Correlation of imaging findings with clinical outcomes in Fontan failure.

Main Results:

  • Extracardiac complications are increasingly recognized in long-term Fontan survivors.
  • Specific imaging patterns are associated with Fontan circuit failure.
  • Early identification of these complications is crucial for patient management.

Conclusions:

  • Radiologists must be aware of potential extracardiac complications in Fontan patients.
  • Prompt diagnosis aids in timely intervention and improved patient outcomes.
  • Multidisciplinary collaboration is essential for managing complex Fontan-associated morbidities.

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