Retrieval of an embolized amplatzer septal occluder

Kam Tim Chan, Boron Cheung Wah Cheng
Catheterization and Cardiovascular Interventions 2010 February 15, 75 (3): 465-8
Percutaneous closure of secundum atrial septal defect (ASD) by various devices has been proven to be an effective and safe treatment modality for patients with congenital heart diseases. However, we have to be aware of the potential early and late complications like device embolization and formulate plan for rescue procedures. We have reported a case of successful closure of a large secundum ASD in a 23-year-old woman by a 40 mm Amplatzer septal occluder (ASO), which embolized into the right ventricle 4 hr after the procedure. This had caused palpitation and nonsustained ventricular tachycardia. Patient safety was our most important concern and after discussion with the cardiac surgeons and the patient, we would like to make a percutaneous stepwise attempt for retrieval. We first applied an endocardial biopsy forcep to grap the disk of the ASO to fix and stabilize the dislodged device. This would prevent the device from obstructing the inflow and outflow tract and causing catastrophic consequences. Then, a 15-mm Amplatz gooseneck snare was used to catch exactly at the connecting hub of the ASO disk, and the whole apparatus could then be cautiously and safely retrieved out from her body without complications. This had saved her from an unplanned emergency open heart operation that carried significant bleeding complication.

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