An alternative to surgical closure of atrial septal defect (ASD) is the use of specially made devices to close the ASD. These devices are implanted using special delivery system through a catheter during cardiac catheterization. This is considered a less invasive method than open heart surgery.
The advantages of transcatheter device closure are:
Not all atrial septal defects are suitable for transcatheter device closure, and patients need to be carefully assessed prior to recommending this method of closure. Different devices are available for transcatheter closure of ASD. The commonest device used in our institution is the Amplatzer Septal Occluder (Figure 27.1) by AGA Medical Corporation.
Fig 27.1The Amplatzer Septal Occluder
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