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  • Title: Long-term Complications After Transcatheter Atrial Septal Defect Closure: A Review of the Medical Literature.
    Author: Jalal Z, Hascoet S, Baruteau AE, Iriart X, Kreitmann B, Boudjemline Y, Thambo JB.
    Journal: Can J Cardiol; 2016 Nov; 32(11):1315.e11-1315.e18. PubMed ID: 27179546.
    Abstract:
    Percutaneous closure has evolved to become the first-line treatment strategy for most cases of secundum atrial septal defect (ASD) in both adults and children. Its safety and efficacy have been proved; percutaneous ASD occlusion offers many advantages over surgical closure, including avoidance of cardiopulmonary bypass, avoidance of sternotomy scar, shorter hospitalization, and a potentially lower incidence of postprocedural complications. Periprocedural course and short-term outcome have been widely described, with low mortality and morbidity rates. However, the wide use of ASD closure devices and the growing experience worldwide brought some delayed and rare complications to light. Device thrombosis and cardiac erosion are the most severe late complications of device closure, whereas atrial arrhythmias are the most common. Other delayed complications include nickel allergy, cardiac conduction abnormalities, valvular damage, and device endocarditis. The long-term complication rate is not null and, although rare, some of these complications may be sudden and potentially life-threatening. Moreover, the occurrence and rate of these complications vary with the different devices used currently or in the past. Therefore, both operators and patients need to be aware of these issues to assist them in the choice of intervention or device, or both, and to adapt follow-up modalities. In this review, we sought to describe the type, incidence, and outcome of these rare but potentially serious device closure delayed complications.
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