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Related Experiment Video

Updated: May 29, 2026

Imaging In-Stent Restenosis: An Inexpensive, Reliable, and Rapid Preclinical Model
09:46

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Published on: September 14, 2009

Optical coherence tomography findings during "evolving" stent thrombosis.

Brian Zakhem1, Antonio Fernandez-Ortiz, Fernando Alfonso

  • 1Hospital Clinico San Carlos, Madrid, Spain.

The Journal of Invasive Cardiology
|September 6, 2011
PubMed
Summary

Early stent thrombosis can now be visualized before blood flow stops. Optical coherence tomography revealed a unique "spider web-like" thrombus, offering new insights into this feared complication.

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Area of Science:

  • Cardiovascular Medicine
  • Medical Imaging
  • Pathophysiology

Background:

  • Stent thrombosis is a rare but serious complication following coronary stent placement.
  • Current imaging techniques like intravascular ultrasound and optical coherence tomography primarily assess mechanical factors after flow interruption.
  • Early pathophysiological mechanisms of stent thrombosis remain poorly understood.

Observation:

  • Optical coherence tomography (OCT) was employed to investigate the earliest stages of stent thrombosis in a patient with suspected evolving thrombosis.
  • This imaging modality provided real-time visualization of thrombus formation prior to complete coronary flow cessation.

Findings:

  • OCT revealed a novel, previously unreported thrombus morphology described as "spider web-like" or "cheese-like" in the early phase of stent thrombosis.
  • This unique morphology offers insights into the initial development of thrombus within the stent.

Implications:

  • This case highlights the potential of OCT to elucidate the early pathophysiology of stent thrombosis.
  • Understanding these early mechanisms could lead to improved prevention and treatment strategies for stent thrombosis.
  • Further research is warranted to confirm these findings and explore therapeutic interventions targeting early thrombus formation.