Total anomalous pulmonary venous connection
Description
What is it?
In a heart that functions normally, veins take oxygenated blood from the lungs to the left side, and from here to all parts of the body.
In people with TAPVC, oxygenated blood reaches the right side, where it mixes with deoxygenated blood and passes through a hole in the interatrial wall to the left atrium. This means that oxygen levels are lower in these children.
Symptoms
This anomaly works in different ways depending on the level of severity:
- TAPVC without obstruction: babies present few symptoms and are often not diagnosed until a few weeks or months after birth.
- TAPVC with obstruction: babies have a blockage in the vessels which take blood from the pulmonary veins back to the right atrium. This makes it difficult for blood to leave the lungs and produces breathing difficulties.
Diagnosis
An echocardiogram can detect if a child has TAPVC. This is carried out within a few hours of birth for babies with TAPVC with obstruction. In other children, it is customary to carry out the test after listening to the heart and detecting a murmur and observing low blood oxygen levels.
In addition, an additional imaging test is usually done, such as computed tomography (CT scan) or an MRI to study the anomaly or defect.
Typical treatment
Patients with TAPVC have to undergo surgery. In this procedure, the pulmonary vein flow is redirected to the left atrium and the anomalous communication with the right atrium corrected.
New-borns with TAPVC with obstruction are in a life-threatening situation. It is therefore necessary to perform surgery as soon as they are born to correct the anomaly.
For patients with TAPVC without obstruction, elective surgery can be performed once diagnosis is made.
Children who have had surgery for TAPVC can live a normal life and do not require further procedures. However, cardiological monitoring is necessary.
Hospital o serveis complementaris relacionats
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