Coronary Artery Fistula—Child
En Español (Spanish Version)

Definition
Coronary artery fistula is an abnormal connection between the coronary artery and the heart or other blood vessels. Coronary arteries carry oxygen-rich blood to the heart tissue. A small fistula will not affect this blood flow, but larger fistulas may cause problems.

The Coronary Arteries

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Causes
This condition is typically a congenital defect. This means that a baby is born with it. It is not known exactly why the fistula develops.

Some fistulas can also occur after birth due to infection, injury, or heart surgery.

Risk Factors
The risk factors for coronary artery fistula are unclear.

Symptoms
Children with this condition usually do not have any symptoms.

A large fistula may cause chest pain, an irregular heart beat, or an abnormal pulse, but this is rare. If your child has any of these symptoms, get emergency medical care right away. In severe cases, this condition can lead to a heart attack, heart failure, or a ruptured fistula.

Diagnosis
You will be asked about your child’s symptoms and medical history. A physical exam will be done. A coronary artery fistula may be suspected if a heart murmur is heard during a physical exam.

Images may be taken of your child's bodily structures. This can be done with:

Your child's heart function may be tested. This can be done with:

Treatment
Talk with the doctor about the best treatment plan for your child. Options include:

Surgery
Surgeries that may be done to treat this condition include:

  • Coil embolization —A special coil is passed through blood vessels in the arms or legs to the heart. The coil can close off the abnormal vessel.
  • Open heart surgery—to close the defect with stitches.
Lifelong Monitoring
Your child will have regular exams by a heart doctor. This is done to prevent major complications.

Prevention
Preventing heart defects may not always be possible. However, getting regular prenatal care is always important.




RESOURCES:
American Heart Association

Family Doctor—American Family Physician

CANADIAN RESOURCES:
Canadian Cardiovascular Society

Heart and Stroke Foundation of Canada

References:
Coronary artery fistula. Children’s Hospital Boston website. Available at: http://www.childrenshospital.org/az/Site1748/mainpageS1748P1.html. Accessed November 7, 2014.

Coronary artery fistula. Johns Hopkins University, Cove Point Foundation website. Available at: http://www.pted.org/?id=coronaryfistula1. Updated May 16, 2011. Accessed November 7, 2014.

Lin C-T, Lin T-K. The current status of coronary artery fistula. J Intern Med Taiwan. 2009;20:484-489.

Last Reviewed November 2014



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