Thrombus-Demarcated Stenting with Dual-Contrast Imaging: A Novel Approach for Late-ST-Segment Elevation Myocardial

Mustafa Oguz1, Tayyar Akbulut2, Faysal Saylik2

  • 1Department of Cardiology, Sultan Abdülhamid Han Training and Research Hospital, Istanbul, Türkiye.

Insights

Successful revascularization of total occluded coronary lesions with dense thrombus is crucial for acute ST-segment elevation myocardial infarction (STEMI) patients. A novel thrombus-demarcated stenting technique offers an alternative when predilatation fails and optical coherence tomography is unavailable.

Area of Science:

  • Interventional Cardiology
  • Cardiovascular Imaging
  • Acute Myocardial Infarction Management

Background:

  • Revascularization success in acute ST-segment elevation myocardial infarction (STEMI) with dense thrombus is vital for patient prognosis.
  • Stenting without thrombus dispersion can improve outcomes in these challenging lesions.
  • Unsuccessful predilatation poses a significant hurdle in achieving successful revascularization.

Observation:

  • A novel "thrombus-demarcated stenting" technique utilizing a dual-contrast imaging approach was employed.
  • This technique was applied in a case of late-inferior STEMI with a total occluded coronary lesion.
  • Predilatation attempts were unsuccessful prior to the implementation of this novel stenting method.

Findings:

  • The thrombus-demarcated stenting with dual-contrast imaging successfully navigated the occluded lesion.
  • This approach allowed for effective stent placement despite prior difficulties with predilatation.
  • The technique provided clear visualization of the thrombus, guiding precise stent deployment.

Implications:

  • This case demonstrates a viable alternative strategy for complex STEMI interventions.
  • The dual-contrast imaging approach can enhance procedural safety and efficacy in thrombus-rich lesions.
  • This technique is particularly valuable in centers lacking advanced imaging modalities like optical coherence tomography.