Fontan surgery failure: risk factors and experience in a Colombian reference centre

Author:

Sánchez-Escobar Isabel C.ORCID,Aranzazu-Ceballos Andrés D.ORCID,Pérez Luz E.ORCID,Guzmán Mónica I.ORCID

Abstract

Abstract Background: The Fontan procedure is considered one of the most remarkable achievements in paediatric cardiology and cardiac surgery. Its final anatomical objective is a venous return through the superior and inferior vena cava. The complications inherent to this procedure and subsequent failure are its limitations. Objective: To describe the clinical and haemodynamic characteristics of patients with Fontan failure and define the risk factors associated with it, with its short- and long-term outcomes during a 21-year observation period. Methods: This is a retrospective follow-up study in which 15 patients diagnosed with Fontan failure in the single-ventricle programme of a high-complexity hospital in Medellín, Colombia, between 2001 and 2022 were included. Results: One hundred and eight patients were identified in whom the Fontan procedure was performed, and 17 met the failure criteria. 82.4% were men, with a median age of 4.3 years. Ebstein’s anomaly was the most common diagnosis, 29.4%. All patients underwent Fontan with an extracardiac tube following the procedure. According to the type of failure, 58.8% of patients presented protein-losing enteropathy and 17.6% plastic bronchitis. During follow-up, 5.9% of patients died. Conclusion: Fontan surgery in our centre is an option for patients with univentricular physiology. The correct selection of the patient is essential to mitigate failure risks.

Publisher

Cambridge University Press (CUP)

Subject

Cardiology and Cardiovascular Medicine,General Medicine,Pediatrics, Perinatology and Child Health

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