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Atrial septal defect occluder devices and embolization – a case series

  • Yuletta Adny Ambarsari ,
  • Tandean Tommy Novenanto ,
  • Dicky Panditatwa Susantya ,
  • Supomo Supomo ,
  • Haryo Aribowo ,
  • Yunanto Kurnia ,
  • Ihsanul Amal ,
  • Irawan Satriotomo ,


Introduction: Atrial Septal Defect (ASD) secundum is a commonly occurring congenital heart disease. Patients with unstable hemodynamic may require closure, which can be accomplished either percutaneous transcatheter of an atrial septal occluder (ASO) device or open surgery. Closure using an occluder carries the risk of device embolization (DE).

Case Presentation: This case series presents two patients who had dislodgement after ASD closure using ASO. The demographic data, comorbidities, surgical details, and follow-up results are all summarized.  A 9-year-old girl and a 12-year-old boy admitted to our centre. The girl echocardiography evaluation revealed dislodgment of ASD occluder in a large secundum ASD, right upper PV blockage, and a high chance of pulmonary hypertension (PH). While the boy showed the occluder device that was misplaced and positioned in the right ventricle. A secundum ASD with a left to right shunt and moderate TR with a peak pressure gradient of 21.5mmHg were also found. During the procedure, we discovered that the girl had an occluder in the superior rim of ASD II 3x2 cm, which was dislodged towards the lower right PV, above the mitral valve, and the posterior occluder leaflet was removed by replacing a section of the rim. We discovered a secundum ASD with a dimension of 2x1cm on the boy The occluder was found behind the anterior cusp of the tricuspid valve. The retrieved occluder device appeared intact, and the tricuspid valve was injured, but no rupture.

Conclusion: The occurrence of ASO migration is uncommon, necessitating further surgery for device removal, closure of the remaining defect, and ensure there is no cardiac erosion or rupture. Surgery can also alleviate symptoms including shortness of breath and palpitations


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How to Cite

Ambarsari, Y. A., Novenanto, T. T. ., Susantya, D. P., Supomo, S., Aribowo, H., Kurnia, Y., Amal, I., & Satriotomo, I. (2023). Atrial septal defect occluder devices and embolization – a case series. Bali Medical Journal, 13(1), 298–304.




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Yuletta Adny Ambarsari
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BMJ Journal

Tandean Tommy Novenanto
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Dicky Panditatwa Susantya
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Supomo Supomo
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Haryo Aribowo
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Yunanto Kurnia
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Ihsanul Amal
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Irawan Satriotomo
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