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Post-Myocardial Infarction Heart Failure in Closed-chest Coronary Occlusion/Reperfusion Model in Göttingen Minipigs and Landrace Pigs
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Effects of early abciximab administration before primary percutaneous coronary intervention on left ventricular

Tomasz Rakowski1, Waldemar Mielecki, Agata Brzozowska-Czarnek

  • 12nd Department of Cardiology, Jagiellonian University Medical College, Kraków, Poland.

Kardiologia Polska
|July 16, 2008
PubMed

Insights

Early abciximab administration before primary percutaneous coronary intervention (pPCI) for ST-segment elevation myocardial infarction (STEMI) improves long-term left ventricular (LV) function. This strategy leads to reduced LV remodelling and a better ejection fraction one year after treatment.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Cardiac Imaging

Background:

  • Early abciximab administration before primary percutaneous coronary intervention (pPCI) is known to improve ST-segment elevation myocardial infarction (STEMI) treatment efficacy.
  • However, the long-term impact of this strategy on left ventricular (LV) function remains understudied.

Purpose of the Study:

  • To evaluate the effects of early abciximab administration on infarct size and LV function in patients with first anterior STEMI undergoing pPCI.
  • Assessment of LV function was performed using cardiac magnetic resonance (CMR).

Main Methods:

  • 59 patients with STEMI and anticipated pPCI delay were randomized into two groups: early abciximab (n=27) before transfer and late abciximab (n=32) before pPCI.
  • All patients received aspirin and heparin prior to transfer; clopidogrel was administered before angiography.

Main Results:

  • One year post-pPCI, CMR in 14 patients per group showed significantly lower LV end-systolic and end-diastolic volume indices in the early abciximab group.
  • Patients receiving early abciximab also demonstrated a significantly better LV ejection fraction.

Conclusions:

  • Early abciximab administration before pPCI in anterior STEMI patients is associated with reduced LV remodelling.
  • This strategy results in improved LV ejection fraction at 1-year follow-up compared to late administration.
Abstract

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