Patent Ductus Arteriosus (pad) Device Closure

Patent Ductus Arteriosus (pad) Device Closure

 

A number of devices are currently available for percutaneous closure of the patent ductus arteriosus (PDA). For the smaller ducts, the Gianturco coil and its modifications, including the detachable release coil, have proven to be efficacious, utilising delivery systems of 4F or 5F diameter, and allowing implantation from either the arterial or venous approach. For ducts with minimum diameters exceeding 3mm however, coil implantation is associated with higher procedural complexity such as the use of multiple coils usually via a combined arterial and venous approach to allow simultaneous deployment with intertwining of coils, and a higher rate of embolization and residual shunting. The Amplatzer duct occluder (ADO) has proven to be an elegant device that allows moderate and larger sized ducts (upto 11 mm in minimum diameter) to be successfully occluded by the percutaneous approach. It combines ease of implantation with a high occlusion rate and a low rate of procedure  related complications. The procedure can be safely carried out in infants >3.5 kg in weight with symptomatic PDA.

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