Amplatzer septal occluder-induced transient complete atrioventricular block. |
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Authors: | Shan-Miao Lin Haw-Kwei Hwang Ming-Ren Chen |
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Institution: | Department of Pediatrics, Mackay Memorial Hospital, Taipei, Taiwan. |
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Abstract: | Percutaneous transcatheter atrial septal defect (ASD) closure is a widely used technique that has replaced open-heart surgical closure in many centers. The most common implant is the Amplatzer septal occluder which seems to be a highly effective and safe device. However, there are reports of complications associated with its implantation. We report a 9-year-old boy who presented with complete atrioventricular block after undergoing percutaneous closure of a large secundum ASD with an Amplatzer septal occluder. We treated the patient with oral prednisolone. The patients atrioventricular conduction improved to second-degree Mobitz type 1 block on post-procedure day 24 and first-degree block on day 35. We conclude that patients with Amplatzer septal occluder-induced complete atrioventricular block generally have a good outcome, although it may take several weeks for improvement. |
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