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Enhancing microcirculation in STEMI patients: can intracoronary thrombolysis combined with thrombus aspiration

DongDong Yan1, WenQiang Li2, Ming Bai1

  • 1Department of Cardiology, First Hospital of Lanzhou University, Lanzhou, China.

Frontiers in Cardiovascular Medicine
|April 14, 2025
PubMed

Insights

Primary PCI for ST-elevation myocardial infarction (STEMI) can be enhanced by combining thrombus aspiration with intracoronary thrombolysis to improve microvascular obstruction and patient outcomes.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Cardiovascular Research

Background:

  • ST-elevation myocardial infarction (STEMI) requires rapid reperfusion.
  • Primary percutaneous coronary intervention (PPCI) is the standard, but microvascular obstruction (MVO) persists.
  • MVO after PPCI leads to poor clinical outcomes.

Purpose of the Study:

  • To explore intracoronary thrombolysis combined with thrombus aspiration for STEMI.
  • To improve microcirculatory perfusion during PCI in STEMI patients.
  • To mitigate MVO and enhance clinical outcomes.

Main Methods:

  • Systematic review of MVO pathophysiology.
  • Evaluation of clinical studies on thrombus aspiration and intracoronary thrombolysis.
  • Discussion of combined therapeutic approaches for STEMI.

Main Results:

  • Microvascular obstruction (MVO) is a significant complication post-PPCI in STEMI.
  • Thrombus aspiration and intracoronary thrombolysis are evaluated for their role in MVO.
  • Potential benefits of combining these strategies are discussed.

Conclusions:

  • Combining thrombus aspiration and intracoronary thrombolysis may reduce MVO in STEMI.
  • Further clinical evidence is needed to confirm efficacy and guide practice.
  • Future research should focus on optimizing these adjunctive therapies.

Keywords:
MVOST-elevation myocardial infarctionintracoronary thrombolysisoptimal strategythrombus aspiration

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