Patent Ductus Arteriosus Device Closure Catheterization - Signs, Symptoms, Treatment

Patent Ductus Arteriosus Device Closure Catheterization Details

Your heart is an organ which works tirelessly throughout your life for ensuring the supply of oxygenated blood to all the body organs. Your heart is divided into four chambers. The upper chambers are called atria and lower chambers are called ventricles. The right ventricle pumps deoxygenated blood into the pulmonary artery to send it to your lungs for oxygenation and the left ventricle pumps oxygenated blood into the aorta for sending it to various body parts. These arteries remain secluded from each other so oxygenated and deoxygenated blood never get mixed. Patent Ductus Arteriosus is a condition where there is a connection between the two arteries, or they are fused at some place which leads to the mixing of oxygenated and deoxygenated blood, thus reducing the oxygen carrying capacity of blood. This condition requires immediate medical attention. The condition is usually detected in infants and at times in adults as well. This is a congenital defect and may take time to show its effects in some people.

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Before Patent Ductus Arteriosus Device Closure Catheterization

You will need to undergo many types preliminary tests to confirm the exact location of the opening, its size etc. Your doctor will also carefully run through your ECG reports and angiography. These will help him understand any abnormality in your heart beat or if there are chances for you to develop any other major cardiac problem in the near future. You might be put under special medication to prepare your body for the procedure and will be asked to stop drugs that may hinder the surgery. It is always good to share your complete medical history with the doctor and arrive for surgery with an empty stomach.

How it is performed

You will be under anesthesia and will not feel any pain or discomfort. Your doctor will make an incision in your chest cavity, and will try to get into a blood vessel that can lead to your heart. All this is monitored with the help of graphs or images which are being taken regularly and are being viewed on the screen by your doctor. After the pulmonary artery has been identified, your doctor will introduce a guide tube in the blood vessel and will make it reach the heart. Upon entering the heart the guide tube will be made to move up the aorta to reach the point where it is forming a connection with pulmonary artery. The guide tube passes the junction and enters the lumen of pulmonary artery once again. Upon entry the surgeon introduces a catheter into the guide tube. Once the catheter reaches the desired place the surgeon will expand a medical grade mesh or stent in the form of a flat disk inside the lumen of the pulmonary artery. After it has become large enough to close the opening, it is pulled slightly backward (towards the lumen of the aorta) to ensure a tight fit and the other portion of the stent is expanded in similar form. Now the stent is secured in its place tightly and the catheter and guide tubes are withdrawn. This allows the two arteries to stay independent of each other and does not allow mixing of blood.


This is a minimally invasive procedure and does not require long hospitalization. You can go home after your surgeon feels satisfied with your recovery though not the same day. You need to make small changes to your lifestyle initially to set everything as expected. Normal life can be resumed as early as possible. It is always advised not to get involved in tasks that demand your heart to strain. It takes time for the implant to settle completely and overtime growing tissue will cover it and make it function much better.

Potential Risks

The procedure is percutaneous and does not have any serious threats associated with it. It is also a gold standard for the surgery. The only problem that has been associated in some individuals is relocation of device or the device has become loose etc. All these risks can be managed if your surgeon insures a most accurate fit of the device and by holding it in place securely and tightly. You can avoid majority of complications by following the instructions given by your doctor. 

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