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         Device closure for hole

Different types of closure devices are used to close a hole or an opening between the right and left sides of the heart. Some of these birth defects are located in the wall (septum) between the upper chambers (atria) of the heart.

The percutaneous closure of PFO and ASD is performed using a special closure device. The device is folded or attached on to a special catheter, similar to the catheter used during your catheterization. The special catheter is inserted into a vein in the leg and advanced into the heart and through the hole. The device is slowly pushed out of the special catheter allowing each side of the device to open up and cover each side of the hole (like a sandwich), closing the hole or defect. When the device is in proper position, it is released from the special catheter. Over time, heart tissue grows over the implant, becoming part of the heart. The PFO and ASD closure procedure is monitored by X-ray and sometimes with an ultrasound camera placed in the gullet by passing through mouth.

Procedure:
In most hospitals this is done under general anaesthesia. A transoesophageal echocardiogram (see echocardiography section in this site) will be performed to confirm the position of the hole and assess the progress of the procedure throughout. This is performed by passing a tube with the camera at the end. This is passed via the mouth into the gullet and placed there throughout the procedure. If this shows that the hole is appropriate to be closed by a device, the cardiologist uses a special catheter to advance the device to the heart defect.

The AMPLATZER device consists of two wire mesh discs filled with polyester fabric (see photo above). When the device is in proper position, the device is slowly pushed out the catheter until the discs of the device sit on each side of the hole (like a sandwich).

The CardioSEAL® device consists of small double umbrella arms attached to Dacron fabric (see photo above), with special springs. When the device is in proper position, the device is slowly pushed out of the special catheter, the umbrella springs open, and covers each side of the hole (like a sandwich).

Once the physician is satisfied with placement of the device, it is released from the special catheter and is now implanted in your heart. Over time, heart tissue grows over the implant, becoming part of the heart.

The cardiac implant procedure takes about an hour, but plan to spend about 5 to 9 hours from the preparation through the recovery time.

 
      Doctor Tips
Angina is an uncomfortable feeling or pain in the chest.
   
It usually feels like a heaviness or tightness.
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