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Related Experiment Video

Updated: Nov 9, 2025

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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EMBOLIZATION OF PERCUTANEOUS LEFT ATRIAL APPENDAGE OCCLUSION DEVICE: RESCUE SURGERY.

Manuela Silva1, Nuno Banazol1, António Fiarresga2

  • 1Department of Cardiothoracic Surgery, Hospital Santa Marta, Centro Hospitalar Universitário de Lisboa Central, Lisboa, Portugal.

Portuguese Journal of Cardiac Thoracic and Vascular Surgery
|April 9, 2021
PubMed
Summary

A patient with atrial fibrillation experienced Amplatzer device migration after left atrial appendage occlusion. Emergent surgery was required for retrieval and closure, with no complications at six months.

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Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Medical Device Technology

Background:

  • Atrial fibrillation (AF) increases stroke risk, necessitating anticoagulation or left atrial appendage (LAA) occlusion.
  • Percutaneous LAA occlusion is an alternative to anticoagulation for stroke prevention in AF patients.
  • Previous hemorrhagic stroke poses a challenge for anticoagulation management.

Purpose of the Study:

  • To report a rare complication of percutaneous left atrial appendage occlusion.
  • To describe the management of Amplatzer device migration into the left ventricular outflow tract.
  • To evaluate the outcome of emergent surgical intervention for device retrieval.

Main Methods:

  • A 59-year-old female with permanent atrial fibrillation and prior hemorrhagic stroke underwent percutaneous LAA occlusion.
  • Amplatzer device migration was diagnosed shortly after the procedure.
  • Transcatheter device mobilization was unsuccessful, necessitating emergent surgery for retrieval and LAA closure.

Main Results:

  • Device migration into the left ventricular outflow tract occurred post-percutaneous LAA occlusion.
  • Transcatheter retrieval attempts failed.
  • Emergent surgery successfully retrieved the device and achieved LAA closure.

Conclusions:

  • Device migration is a potential complication of percutaneous LAA occlusion.
  • Surgical intervention may be necessary for managing device migration.
  • Successful outcomes can be achieved with timely surgical management.