Two Cases of Very Late Dislodgement and Transcatheter Retrieval of Pediatric Aortic Isthmus Stents During Re-Intervention - Summary - MDSpire

Two Cases of Very Late Dislodgement and Transcatheter Retrieval of Pediatric Aortic Isthmus Stents During Re-Intervention

  • By

  • Florentine Gräfe

  • Frank-Thomas Riede

  • Ingo Dähnert

  • May 25, 2026

  • 0 min

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Objective:

To report two rare cases of late stent dislodgement occurring nearly seven years after implantation in pediatric patients, highlighting the need for ongoing monitoring.

Key Findings:
  • Both cases exhibited very late dislodgement of aortic isthmus stents after stable long-term implantation, raising concerns about stent stability.
  • Stent migration is a rare complication typically occurring in the peri-procedural or early post-implantation period, necessitating careful follow-up.
  • Somatic growth, structural stent changes, and balloon dilations contributed to stent dislodgement, indicating the need for individualized monitoring strategies.
Interpretation:

The findings challenge the assumption that endovascular stents are permanently incorporated into the vessel wall shortly after implantation, suggesting a need for ongoing assessment of stent behavior.

Limitations:
  • The cases are limited to two patients, which may not represent the broader population, and further studies are needed to validate these findings.
  • Long-term behavior of stents may vary based on individual anatomical and procedural factors, highlighting the need for personalized follow-up.
Conclusion:

Late stent dislodgement is exceptional and underscores the need for careful consideration of stent behavior in pediatric patients during follow-up procedures, emphasizing the importance of ongoing monitoring.

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