Holger Thiele, MD, of the University of Leipzig Heart Center, Germany, gives an interview at the European Society of Cardiology Congress 2012 about the large-scale trial he and his colleagues conducted to assess the mortality benefit of the intra-aortic balloon pump (IABP) in patients with myocardial infarction complicated by cardiogenic shock. He discusses the results of the randomized IABP-SHOCK II study.