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If your infant or child has been diagnosed with tricuspid atresia (TA), an understanding of the condition will help you to cope with this very rare congenital (present at birth) heart defect.
In a normal heart, oxygen-poor (blue) blood returns to the right atrium from the body, travels to the right ventricle, then is pumped through the pulmonary artery into the lungs, where it receives oxygen. And oxygen-rich (red) blood returns to the left atrium from the lungs, passes into the left ventricle, then is pumped through the aorta out to the body.
click on images to enlarge
In tricuspid atresia, improper development of the tricuspid valve prevents oxygen-poor (blue) blood from passing from the right atrium to the right ventricle and on to the lungs as it should. As a result, the right ventricle is underdeveloped (hypoplastic).
Like many congenital heart conditions, tricuspid atresia isn’t a single defect, but rather a cluster of associated defects in various combinations and with varying degrees of severity:
The experienced surgeons in Boston Children’s Cardiac Surgery Department understand how distressing a diagnosis of a tricuspid atresia can be for parents. You can have peace of mind knowing that our surgeons treat some of the most complex pediatric heart conditions in the world, with overall success rates approaching 98 percent—among the highest in the nation among large pediatric cardiac centers. For tricuspid atresia, our 30-day hospital survival rate for the past five years for each of the three necessary operations has been higher than 98 percent.
At Boston Children’s, we provide families with a wealth of information, resources, programs and support—before, during and after your child’s treatment. With our compassionate, family-centered approach to expert treatment and care, you and your child are in the best possible hands.
Tricuspid atresia: Reviewed by Michael Freed, MD, and Thomas Kulik, MD
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