Pulmonary Atresia

Symptoms will be evident soon after birth - Cristiano Antonino

Pulmonary Atresia
Pulmonary Atresia

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Prenatal Pathologies, Congenital Heart Defects: Pulmonary Atresia

In intrauterine life, according to the data available to us, this anomaly generally does not impair the child’s development because it is the placenta that supplies the body with the necessary oxygen instead of the lungs. The blood entering the right side of the heart through a hole (foramen ovale) passes from the right atrium to the left atrium, then to the left ventricle and from there it can be pumped to the rest of the body through the aorta.

However, as it cannot reach the lungs via the normal route (right ventricle, then valve and pulmonary artery, then lungs) the blood reaches them via the ductus arteriosus, a vessel that connects the aorta to the pulmonary artery. This structure…

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 Prenatal Pathologies, Congenital Heart Defects: Pulmonary Atresia

It is therefore essential that the diagnosis be made early: prenatal diagnosis allows the safest possible preparation for delivery and thus avoids dangerous delays in administering the necessary treatment.


PA-VSD is considered by some authors as a severe form of tetralogy of Fallot... Prostaglandin E1 is used to keep the ductus open.

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