Coronary Artery Fistula

What is a coronary artery fistula?

A coronary artery fistula is an abnormal connection between one of the coronary arteries and another blood vessel or heart chamber. The coronary arteries supply blood to the heart. A coronary artery fistula can affect how well the blood flows to the heart and lead to dilation of the coronary artery.

Coronary artery fistula is a rare condition. In some cases, infants who are born with this condition may also have other heart defects.

What are the symptoms of coronary artery fistula?

Most children with coronary artery fistula don’t have any symptoms. If a child does have symptoms, they can include:

What are the causes of coronary artery fistula?

In most cases, coronary artery fistula is congenital, meaning a child is born with the condition. It occurs when one of the coronary arteries doesn’t form correctly during the baby’s development.

Some children can also develop a coronary artery fistula after birth. It may be caused by:

  • an infection
  • some types of heart surgery
  • an injury to the heart, either from surgery or an accident

How we care for coronary artery fistula

Here at the Boston Children’s Hospital Heart Center, our top-ranked team treats a full spectrum of cardiac disorders, including coronary artery fistula and other rare and complex congenital heart defects.