Related Experiment Video

Updated: Aug 18, 2026

A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
04:30

A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis

Published on: May 14, 2013

Iatrogenic coronary artery stenosis following coronary stenting

R I Hamby1, G A Petrossian, A E Lituchy

  • 1Department of Medicine, The Heart Center, St. Francis Hospital, Roslyn, New York 11576, USA.

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
|April 27, 1999
PubMed

Insights

New lesions in stented arteries can occur due to the stenting technique. This study followed patients after stent deployment, finding new proximal lesions in 14% of those with myocardial ischemia, potentially linked to guiding catheter trauma.

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology

Background:

  • Stent deployment is a common procedure for coronary artery disease.
  • Myocardial ischemia can occur post-stenting, necessitating further investigation.

Purpose of the Study:

  • To investigate the incidence and potential causes of new proximal lesions in stented arteries.
  • To evaluate the relationship between stenting technique and lesion development.

Main Methods:

  • Follow-up of 435 patients after stent deployment.
  • Analysis of patients referred for myocardial ischemia.
  • Assessment of new lesions in stented vessels via angiography.

Main Results:

  • 44 patients (10.1%) were referred due to myocardial ischemia.
  • Six of these patients (14%) developed new proximal lesions.
  • These lesions were separate from the stented segment and required intervention.

Conclusions:

  • New proximal lesions adjacent to stented segments may arise from the stenting procedure.
  • Guiding catheter-induced local trauma is a potential mechanism for these new lesions.
  • Further research into stenting techniques to minimize this complication is warranted.

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