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Wireless Telemetry Device Implantation in a Fontan Ovine Model for Continuous and Long-Term Hemodynamic Monitoring
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Wireless Telemetry Device Implantation in a Fontan Ovine Model for Continuous and Long-Term Hemodynamic Monitoring

Published on: May 2, 2025

Rare problems associated with the Fontan circulation

David J Goldberg1, Kathryn Dodds, Jack Rychik

  • 1Division of Cardiology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania 19104, United States of America. goldbergda@email.chop.edu

Cardiology in the Young
|November 20, 2010
PubMed

Insights

The Fontan operation offers remarkable survival for complex congenital heart disease but results in "Fontan physiology." This necessitates ongoing research into rare, life-threatening complications affecting multiple organ systems.

Area of Science:

  • Cardiology
  • Pediatric Cardiac Surgery
  • Congenital Heart Disease

Background:

  • The Fontan operation is the final stage in palliative surgery for complex congenital heart disease with a univentricular heart.
  • While technical outcomes have improved, Fontan physiology deviates from normal cardiovascular function, leading to reduced efficiency and increased venous pressure.

Purpose of the Study:

  • To review the implications of Fontan physiology.
  • To highlight the spectrum of rare but serious complications associated with this surgical approach.
  • To emphasize the need for continued research and collaboration.

Main Methods:

  • Review of existing literature on the Fontan operation and its outcomes.
  • Analysis of the physiological consequences of Fontan palliation.
  • Identification of associated complications and challenges in patient management.

Main Results:

  • Fontan physiology results in diminished cardiac output and elevated systemic venous pressure.
  • Patients face risks of hepatic dysfunction, coagulation disorders, protein-losing enteropathy, and plastic bronchitis.
  • Despite high survival rates, complications are complex and multi-systemic.

Conclusions:

  • Fontan palliation achieves significant survival but does not restore normal physiology.
  • Managing rare complications requires a deep understanding of underlying mechanisms.
  • Interdisciplinary and multi-institutional collaboration is crucial for optimizing long-term care for Fontan survivors.

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