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A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis
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Published on: August 12, 2025

Complications of carotid artery stenting are largely preventable: a retrospective error analysis

Ravi K Veeraswamy1, Brian G Rubin, Luis A Sanchez

  • 1Division of Vascular Surgery, Department of Surgery at Emory University School of Medicine, Atlanta, GA 30322, USA. veeraswamy@emoryhealthcare.org

Perspectives in Vascular Surgery and Endovascular Therapy
|February 22, 2008
PubMed

Insights

Minimizing complications in carotid artery stenting (CAS) is crucial. Analysis of 207 CAS procedures shows most neurologic events and technical failures are preventable through protocol adherence and technique optimization.

Area of Science:

  • Interventional Cardiology
  • Neurology
  • Vascular Surgery

Background:

  • Carotid artery stenting (CAS) is an alternative to carotid endarterectomy for treating carotid stenosis.
  • Minimizing procedure-related complications is essential for the widespread adoption and efficacy of CAS.

Purpose of the Study:

  • To analyze procedure-related complications in carotid artery stenting.
  • To identify technical errors contributing to adverse events.
  • To determine the preventability of complications and optimize CAS outcomes.

Main Methods:

  • A failure analysis was conducted on 207 carotid stent procedures.
  • All procedure-related complications were reviewed.
  • Technical errors leading to adverse events were identified and categorized.

Main Results:

  • The overall procedure-related stroke rate was 2.9%.
  • The technical failure rate was 1.9%.
  • No patient deaths were recorded; however, preventable events included protocol deviations and improper device selection for lesion characteristics.

Conclusions:

  • The majority of neurologic events and technical complications during CAS are preventable.
  • Adherence to technical protocols, appropriate use of protection devices (e.g., flow reversal), and careful management of aortic arch instrumentation can significantly improve CAS safety and efficacy.
  • Optimizing technique and device selection can lead to exceptional outcomes in carotid artery stenting.

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