Successful Primary Percutaneous Coronary Intervention without Stenting: Insight from Optimal Coherence Tomography

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Ji Woong Roh1, Yongcheol Kim2, Oh-Hyun Lee1

  • 1Division of Cardiology, Department of Internal Medicine, Yonsei University College of Medicine and Cardiovascular Center, Yongin Severance Hospital, Yongin, Korea.

Yonsei Medical Journal
|March 30, 2022
PubMed

Insights

This case study explores treating acute myocardial infarction without stenting. Optical coherence tomography guided intervention for plaque erosion, offering a potential alternative to traditional drug-eluting stents and long-term dual antiplatelet therapy.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Medical Imaging

Background:

  • Current guidelines for acute myocardial infarction (AMI) recommend drug-eluting stents (DES) and prolonged dual antiplatelet therapy (DAPT).
  • Emerging evidence suggests that in select AMI cases involving plaque erosion (not rupture), antithrombotic therapy alone may be effective.
  • Optical coherence tomography (OCT) is crucial for differentiating plaque morphology.

Observation:

  • A pilot study indicated favorable outcomes with antithrombotic therapy alone in select AMI cases without stent implantation.
  • This approach was successful when optical coherence tomography (OCT) confirmed plaque erosion, not definite plaque rupture.

Findings:

  • This case report details a successful primary percutaneous coronary intervention (PCI) without stent implantation.
  • Optical coherence tomography (OCT) guided the decision-making process, identifying plaque erosion in a patient with ST-elevation myocardial infarction (STEMI).
  • The intervention addressed thrombotic total occlusion of the right coronary artery.

Implications:

  • OCT imaging may enable non-stenting strategies in specific acute myocardial infarction presentations.
  • This approach could potentially reduce the need for lifelong DAPT and associated bleeding risks.
  • Further research is warranted to validate the safety and efficacy of non-stenting strategies in STEMI patients with plaque erosion.

Keywords:
Acute myocardial infarctionantiplatelet agentsoptical coherence tomographypercutaneous coronary interventionplaque erosion

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