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Transcatheter coil occlusion of perivalvular mitral leaks associated with severe hemolysis

J D Moore1, A G Lashus, L R Prieto

  • 1Center for Pediatric and Congenital Heart Diseases, The Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA.

Insights

A novel coil embolization technique successfully treated hemolysis in a child with mitral valve issues. This minimally invasive approach resolved the complication, offering a promising solution for similar pediatric cases.

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Pediatric Cardiology

Background:

  • Persistent hemolysis can complicate mitral valve repair and replacement surgeries.
  • Partial dehiscence of the valve ring is a known complication leading to perivalvular leaks.
  • Malnutrition can exacerbate surgical complications in pediatric patients.

Observation:

  • A 6-year-old malnourished child experienced ongoing hemolysis post-mitral valve surgery.
  • The patient had undergone valve repair and two subsequent mitral valve replacement surgeries.
  • Partial dehiscence of the mitral valve ring was identified as the cause.

Findings:

  • A modified catheter delivery system was employed to deploy six Gianturco coils.
  • The coil embolization successfully occluded the perivalvular mitral leak.
  • Hemolysis resolved completely following the intervention.

Implications:

  • This coil embolization technique offers a minimally invasive option for managing perivalvular mitral leaks.
  • The approach may be beneficial in pediatric patients with similar complex cardiac conditions.
  • Successful resolution of hemolysis suggests improved patient outcomes and quality of life.

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