Case Study: Unstable Late Migration of a Ventricular Septal Defect Closure Device with Endothelialization - Takeaways - MDSpire

Case Study: Unstable Late Migration of a Ventricular Septal Defect Closure Device with Endothelialization

  • By

  • Min-Jung Jan

  • Chung-Chi Wang

  • Sheng-Ling Jan

  • Wei-Li Liu

  • April 20, 2026

  • 0 min

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  • 1

    Late migration of a ventricular septal defect closure device can occur 18 months post-procedure, which is exceedingly uncommon.

  • 2

    Surgical retrieval showed complete circumferential endothelialization of the device, indicating long-term tissue incorporation.

  • 3

    Serial imaging demonstrated stable device positioning initially, making early malposition an unlikely cause of late migration.

  • 4

    The Konar-MFO device has shown high procedural success rates and low complication profiles in transcatheter VSD closures.

  • 5

    This case highlights the potential for very late mechanical destabilization after initially successful transcatheter VSD closure.

Original Source(s)

Case Study: Unstable Late Migration of a Ventricular Septal Defect Closure Device with Endothelialization

  • by Min-Jung Jan, Chung-Chi Wang, Sheng-Ling Jan, Wei-Li Liu

  • April 20, 2026

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