Outcome of Patients with Single Ventricles who Initially did not Indicate Fontan Completion After Stage II Palliation - Report - MDSpire

Outcome of Patients with Single Ventricles who Initially did not Indicate Fontan Completion After Stage II Palliation

  • By

  • Carolin Niedermaier

  • Cornelius Przybilla

  • Thibault Schaeffer

  • Muneaki Matsubara

  • Christina Ruda

  • Jonas Palm

  • Nicole Piber

  • Peter Ewert

  • Jürgen Hörer

  • Masamichi Ono

  • July 13, 2026

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Clinical Outcomes in Single Ventricle Patients Who Initially Did Not Pursue Fontan Completion

Overview

This study evaluates the clinical outcomes of single ventricle patients who initially did not undergo Fontan completion following stage II palliation. It highlights the reasons for contraindication.

Background

The Fontan procedure is crucial for the management of patients with univentricular hearts, providing a pathway to improved hemodynamics and quality of life. However, many patients face challenges that prevent timely completion of the Fontan procedure.

Data Highlights

No numerical or trial data presented in the source material.

Key Findings

  • A significant proportion of patients cannot undergo Fontan completion due to elevated pulmonary artery pressure, pulmonary artery stenosis, reduced ventricular function, or significant atrioventricular valve regurgitation.
  • Patients who initially do not qualify for Fontan completion may still achieve candidacy after medical and interventional therapies.
  • Long-term outcomes for patients who do not complete the Fontan procedure include a high risk of heart failure, arrhythmias, and mortality.
  • Re-assessment of patients after appropriate therapies can lead to successful Fontan completion in some cases.
  • Criteria for Fontan candidacy include pulmonary artery pressure of 15 mmHg or less and normal or mildly reduced ventricular function.

Clinical Implications

Regular re-evaluation of these patients is important, as advancements in medical and interventional therapies may improve candidacy for Fontan completion.

Conclusion

The study highlights the importance of ongoing assessment for patients with univentricular hearts who initially do not qualify for Fontan completion.

Related Resources & Content

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  5. 2025 ACC/AHA/HRS/ISACHD/SCAI Guideline for the Management of Adults With Congenital Heart Disease - Professional Heart Daily | American Heart Association
  6. Early outcomes of children with univentricular circulation undergoing Fontan surgery: the EuroFontan registry - PubMed
  7. The History of Partially Palliated (Post-Bidirectional Glenn) Patients with Univentricular Physiology in Mumbai, India - Dhiraj Kumar et al., 2026
  8. 2025 ACC/AHA/HRS/ISACHD/SCAI Guideline for the Management of Adults With Congenital Heart Disease - Professional Heart Daily | American Heart Association
  9. Early outcomes of children with univentricular circulation undergoing Fontan surgery: the EuroFontan registry - PubMed
  10. The History of Partially Palliated (Post-Bidirectional Glenn) Patients with Univentricular Physiology in Mumbai, India - Dhiraj Kumar, Aditi Parimoo, Girish R. Sabnis, Ajay U. Mahajan, Charan P. Lanjewar, Ankita Kulkarni, Punya Pratap Kujur, 2026

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