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Updated: Aug 14, 2026

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis
09:36

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis

Published on: August 12, 2025

Incidence and risk factors for medical complications after carotid artery stenting

Klaus Gröschel1, Ulrike Ernemann, Axel Riecker

  • 1Department of Neurology, University of Tübingen, Tübingen, Germany.

Journal of Vascular Surgery
|December 27, 2005
PubMed

Insights

Medical complications after carotid angioplasty and stenting (CAS) occur in 15% of patients, with older age and symptomatic stenosis being key risk factors. Close monitoring of these patients is recommended to manage potential adverse events.

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Vascular Surgery

Background:

  • Carotid angioplasty and stenting (CAS) is an alternative to carotid endarterectomy for carotid artery stenosis.
  • Limited data exists on the incidence of medical complications following CAS.

Purpose of the Study:

  • To determine the frequency of medical complications after CAS.
  • To identify clinical risk factors associated with medical complications post-CAS.

Main Methods:

  • A cohort of 327 patients undergoing CAS for symptomatic or asymptomatic carotid artery stenosis were analyzed.
  • Medical complications within 30 days of CAS were recorded.
  • Logistic regression was used to identify predictors of medical complications.

Main Results:

  • 15% of patients (51/327) experienced 62 medical complications.
  • Common complications included hypotension (4.9%), chest infections (3.1%), and confusion (2.7%).
  • Advanced age (OR 1.1) and symptomatic carotid stenosis (OR 2.1) independently predicted medical complications.

Conclusions:

  • The overall incidence of medical complications after CAS may be higher than anticipated.
  • Older patients and those with symptomatic stenosis are at increased risk.
  • Close monitoring of high-risk subgroups is advised.
Abstract

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