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Published on: February 28, 2012
Delayed embolization of Amplatzer septal occluder device: an unknown entity--a case report
Puneet K Verma1, Shyam K S Thingnam, Anurag Sharma
1Department of Cardiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India. puneet_verma@hotmail.com
Angiology
|February 21, 2003
Summary
A 10-year-old girl experienced delayed embolization of an Amplatzer septal occluder two weeks after implantation for an atrial septal defect. The device dislodged due to reversed pressure gradients and required surgical retrieval.
Area of Science:
- Cardiology
- Medical Devices
- Pediatric Cardiology
Background:
- Atrial septal defects (ASDs) are commonly treated with percutaneous closure devices.
- The Amplatzer septal occluder is a widely used device for ASD closure.
- Delayed device embolization is a rare but serious complication.
Observation:
- A 10-year-old female patient with an oval secundum ASD underwent successful implantation of an Amplatzer septal occluder.
- Two weeks post-procedure, the patient developed symptoms related to device migration.
- Imaging revealed the structurally intact occluder had dislodged into the left atrium.
Findings:
- Reversal of transatrial pressure gradients was identified as the cause of device dislodgement.
- The embolized occluder migrated to the left ventricular outflow tract.
- Surgical intervention was necessary for device retrieval.
Implications:
- This case highlights the potential for delayed complications even with structurally intact devices.
- Understanding pressure dynamics is crucial for preventing device embolization in pediatric cardiology.
- Prompt diagnosis and surgical management are essential for favorable outcomes in device embolization events.
