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[High-dose tirofiban in patients with acute ST-segment elevation myocardial infarction undergoing primary

Li-hui Ren1, Jian-jun Peng, Hui-ming Ye

  • 1Department of Cardiology, Beijing Shijitan Hospital, Beijing, China.

Zhonghua Yi Xue Za Zhi
|September 5, 2012
PubMed

Insights

High-dose tirofiban significantly improved ST-segment resolution and left ventricular ejection fraction in ST-elevation myocardial infarction patients undergoing primary PCI, without increasing hemorrhage risk.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Pharmacology

Background:

  • ST-elevation myocardial infarction (STEMI) is a critical condition requiring rapid reperfusion.
  • Primary percutaneous coronary intervention (PCI) is the standard treatment for STEMI.
  • Platelet aggregation inhibition is crucial during primary PCI.

Purpose of the Study:

  • To assess the clinical outcomes of high-dose tirofiban therapy.
  • To compare high-dose tirofiban with standard-dose tirofiban in STEMI patients undergoing primary PCI.

Main Methods:

  • A randomized trial involving 104 STEMI patients undergoing primary PCI.
  • Patients were assigned to either high-dose or normal-dose tirofiban groups.
  • Evaluated ECG ST-segment resolution and left ventricular ejection fraction (LVEF) at 90 days post-PCI.

Main Results:

  • High-dose tirofiban group showed significantly improved ST-segment resolution post-PCI (38% ± 12% vs 34% ± 13%, P < 0.05).
  • LVEF significantly improved in the high-dose group by day 90 (60.1% ± 1.1% vs 56.0% ± 1.2%, P < 0.05).
  • No significant difference in major or moderate hemorrhage rates between groups.

Conclusions:

  • High-dose tirofiban enhances myocardial reperfusion and clinical outcomes in STEMI patients undergoing primary PCI.
  • Supports the benefit of intensified platelet inhibition in this patient population.
Abstract

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