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Atrial septal defect (ASD) is known to be the most widespread type of congenital heart disease in adulthood (1). Ostium secundum type is the most common form of ASD (60%-70%). Percutaneous closure of ASD is known as an alternative treatment to surgery. Percutaneous transcatheter closure of ASD provides many benefits compared with surgery, such as decreased surgical morbidity, no scarring, and shortened hospital stay. Nowadays, transcatheter treatment is the first choice in secundum ASD treatment. Various devices have been developed for this purpose, and the Amplatzer septal occluder is the most commonly used. However, this closure method is associated with rare complications observed in the early and late stages. The frequency of device embolization in experienced centers during ASD closure is less than 1%. Embolization usually occurs in the early postoperative period and in the right heart cavities. In the acute period, if embolization into the right ventricular outflow tract or pulmonary artery branches occurs, a snare catheter may be used for the attempted recovery. Late dislocation and embolization of the ASD occluder device are rarely reported in the literature. In this case report, we report silent and late embolization of the ASD occluder device into the main pulmonary artery.

Late Embolization of ASD Closure Device to Main Pulmonary Artery