Who needs a Fontan procedure?

Today, we try to offer a Fontan procedure to all children who are born with abnormal hearts that cannot be repaired with two pumping chambers (ventricles).

One pumping chamber, the left ventricle, pushes the blood to the body, and the other, the right ventricle, pushes the blood to the lungs.

Sometimes, these children are completely missing a ventricle and have what is called a single ventricle. Often, there are two ventricles, but one of them is too small to be really useful. At times, there are two good ventricles with some holes, but the connections between the ventricles and the collecting chambers and/or the vessels going to and out of the heart is so abnormal that it is impossible to close these holes and use the two ventricles separately.

After the Fontan, all these children are said to have the heart functioning with a single pumping chamber, and we say that they have a "functional single ventricle".

There are many different conditions of the heart that necessitates a Fontan procedure. The most frequent ones are called:

  • Tricuspid atresia,

  • Hypoplastic left heart syndrome

  • Unbalanced atrio-ventricular septal defect

  • Double outlet right ventricle

  • Double inlet left ventricle

  • Pulmonary atresia with intact ventricular septum

© 2019 by ANZ Fontan Registry, Murdoch Children's Research Institute  /  Royal Children's Hospital  / 

Flemington Road Parkville VIC 3052 Australia
T 1300 766 439  /  F +61 3 9348 1391  /  ABN: 21 006 566 972

 

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