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Related Experiment Videos

[Carotid stenting with embolism prevention].

F E Zanella1, J Berkefeld

  • 1Institut für Neuroradiologie, Johann Wolfgang-Goethe-Universität, Theodor-Stern-Kai 7 60590 Frankfurt.

Zeitschrift Fur Kardiologie
|January 10, 2001
PubMed
Summary

Théron's technique using balloon protection during carotid stenting effectively prevents embolic complications. This method, involving aspiration and flushing, demonstrated significant safety in patients with high-grade carotid stenoses.

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Prof. Dr. F. E. Zanella-A Training and Development Mentor in Neuroradiology.

Clinical neuroradiology·2017

Area of Science:

  • Vascular Surgery
  • Interventional Neurology
  • Cardiovascular Research

Context:

  • Endovascular treatment of extracranial carotid stenoses carries a risk of embolic complications.
  • Optimizing safety is crucial for improving patient outcomes in carotid stenting procedures.

Purpose:

  • To evaluate the safety and efficacy of Théron's technique for carotid stenting under balloon protection in patients with high-grade extracranial carotid stenoses.
  • To assess the effectiveness of aspiration and flushing in removing embolic material during the procedure.

Summary:

  • Théron's technique, involving temporary balloon occlusion of the internal carotid artery, aspiration, and flushing, was applied to 31 patients.
  • Technical feasibility was improved with steerable guide wires and integrated balloons.
  • No periprocedural strokes were observed, and microscopic analysis of aspirated blood confirmed the presence and removal of embolic particles (cholesterol crystals, fat particles up to 600 mu).

Impact:

  • The technique demonstrates effectiveness in eliminating embolic particles, suggesting that stent meshwork and pharmacological treatments alone may not be sufficient.
  • The proven presence of micro-emboli and low clinical complication rates support the continued use and development of this protection technique.
  • This approach offers a promising strategy for enhancing the safety of carotid stenting and reducing stroke risk.

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