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Your child has a heart problem that includes a hypoplastic ventricle. The most common treatment is heart surgery. This is often done in 3 stages. Treatment is complicated. It requires careful management of your child’s health. And treatment does not fix your child’s heart problem. But it can ease symptoms and increase your child’s chances to live a more normal life. You and your child’s healthcare provider have decided that the benefits of this surgery outweigh any risks. This sheet helps you understand the surgery that is done during the first stage. Your child’s cardiologist or surgeon can answer your questions and tell you more as needed.
Stage I. Make the one working ventricle the main pumping chamber of the heart. This provides stable blood flow to both the lungs and the body.
Stage II. Ease the workload of the one ventricle. This reduces the mixing of oxygen-poor and oxygen-rich blood.
Stage III. Separate the circulation of blood in the heart. This means very little oxygen-rich and oxygen-poor blood mix.
Risks and possible complications include:
Arrhythmia (abnormal heart rhythm)
Problems in the lungs
Problems with the vocal cords and diaphragm
Problems with the nervous system, such as seizure or stroke
Abnormal buildup of fluid around the heart or lungs
Atrial septectomy. The surgeon removes the wall dividing the two upper heart chambers (atrial septum). This allows oxygen-rich blood from the left atrium to mix with oxygen-poor blood in the right atrium.
Reconstruction of aorta. The surgeon divides the main pulmonary artery. This artery, along with patch material, is used to rebuild the aorta. This is called the neoaorta or “new” aorta. Blood from the right ventricle can then be pumped through the pulmonary valve to the new aorta. This sends blood from the right ventricle directly to the body instead of to the lungs.
Placement of shunt (tube). The surgeon creates a new pathway to send blood to the lungs. This is because the main pulmonary artery has been used to rebuild the aorta. So the surgeon places a shunt. It connects an artery branching from the aorta to the pulmonary artery. This allows a controlled amount of blood to reach the lungs. As an alternative, the surgeon may use a technique called the Sano method instead of the shunt. In this case, the surgeon places a tube from the right ventricle to send blood directly to the pulmonary arteries that are connected to the lungs.
After any of these surgeries, call your child's healthcare provider right away if your child has any of the following:
Increased redness, draining, swelling, or bleeding at the incision site
Fever of 100.4°F (38°C) or higher, or as directed by your child's healthcare provider
Trouble feeding, poor appetite, or not gaining weight
Shortness of breath
Cough that won’t go away
Nausea or vomiting that continue
Your child doesn't seem to be getting better
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