Influence of abciximab on evolution of left ventricular function in patients with non-ST-segment elevation acute

Stefanie Schulz1, Julinda Mehilli, Gjin Ndrepepa

  • 1Deutsches Herzzentrum, Technische Universität, Lazarettstr. 36, 80636, Munich, Germany. schulzs@dhm.mhn.de

Insights

Abciximab did not improve left ventricular ejection fraction (LVEF) in patients with non-ST-segment elevation acute coronary syndromes (NSTE-ACS) undergoing percutaneous coronary intervention (PCI). This study found no impact on LVEF evolution over 6-8 months.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Acute Coronary Syndromes

Background:

  • Abciximab is known to reduce adverse cardiac events in NSTE-ACS patients undergoing PCI.
  • The impact of abciximab on left ventricular ejection fraction (LVEF) evolution in these patients remains to be fully elucidated.

Purpose of the Study:

  • To investigate the effect of abciximab on the change in LVEF from baseline to 6-8 months post-PCI in NSTE-ACS patients.
  • To determine if abciximab influences the recovery or decline of LVEF in this specific patient population.

Main Methods:

  • Analysis of 1,158 patients from the ISAR-REACT 2 trial with paired angiograms at baseline and 6-8 months.
  • Comparison of LVEF at follow-up between patients receiving abciximab (n=586) and placebo (n=572).
  • Multivariate analysis to identify independent correlates of follow-up LVEF.

Main Results:

  • Baseline LVEF was similar between the abciximab and placebo groups (approximately 53%).
  • No significant difference in LVEF was observed at 6-8 month follow-up between the two groups (approximately 55%).
  • Subgroup analysis in patients with elevated troponin also showed comparable LVEF at follow-up.

Conclusions:

  • Abciximab, despite reducing major adverse cardiac events, does not improve or alter the evolution of LVEF over 6-8 months in NSTE-ACS patients treated with PCI and clopidogrel.
  • Factors such as age, prior MI, and baseline LVEF independently correlated with follow-up LVEF.
Abstract

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