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  PDA STENTING
 

When is PDA stenting needed ?
PDA stenting is needed when the blood flow to the lungs is dependent on the PDA. This usually happens in conditions where the pulmonary valve is not functioning.

How is PDA kept open usually ?
PDA is kept open by giving medicines like Prostaglandins. These allow the PDA NOT to close, so it remains open. They work by chemically keeping the duct open. This will work till the medicine is infused to the baby via the intravenous route.

What is the alternative ?
The alternative is performing  a shunt operation.  The shunt operation essentially is creating another tube which will supply blood into the lungs. The material used is artificial (plastic like) tube. This is surgically connecting an artery to the lung artery. Since the pressure in the lung artery is lower blood flows into the lungs.

How is the procedure undertaken?
THE PROCEDURE IS STILL EXPERIMENTAL.
The artery in the groin is entered. This leads to the aorta. From the aorta arises the PDA normally. The PDA is crossed. A secure wire position is taken. Over this wire a stent implanted on a balloon is taken. This is positioned in the right place and stent is implanted by inflating the balloon.

 

 
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