Transcatheter Occlusion of PDA by Detachable Coil Occluder and Amplatzer Device

The aim of this study was to report the results of using PDA occluders (coil occluder and Amplatzer device), which has continued since December 1999 at the pediatric department of Rajaee Heart Center. Transcatheter Occlusion of PDA M. Meraji MD, et al.
Between December 1999 and September 2002, 193 cases of PDA were admitted at the pediatric ward. Seventy cases underwent transcatheter occlusion of PDA by the detachable coil occluder, and in 53 cases PDA was occluded by the Amplatzer device.
Successful coil placement was accomplished in 68 cases. Two cases of intravascular hemolysis were observed due to residual shunt .In one of them, acute tubular necrosis ensued, and peritoneal dialysis was performed. However, after surgical PDA closure, the renal performance was recovered eventually. Also, two cases of coil detachment to the LPA were observed with no long-term sequala on pulmonary function. Fifty-two of the 53 Amplatzer occlusions were successful. Only one failure was observed due to the small size of the Amplatzer in comparison to the duct diameter.
Retrograde and antegrade transcatheter closure of the PDA by the detachable coil occluder and Amplatzer device has been performed successfully in our department. The problem that we face has been PDA sizing and also the retrieval of detached coils