The role of intra-aortic coun- terpulsation in high-risk OPCAB surgery: a prospective randomized study. J Card Surg. 2003;18:286 94. 1024. Christenson JT, Schmuziger M, Simonet F. Effective surgical man- agement of high-risk coronary patients using preoperative intra-aortic balloon counterpulsation therapy. Cardiovasc Surg. 2001;9:383 90. 1025. Urban PM, Freedman RJ, Ohman EM, et al. In-hospital mortality associated with the use of intra-aortic balloon counterpulsation. Am J Cardiol. 2004;94:181 5. 1026. Santa-Cruz RA, Cohen MG, Ohman EM. Aortic counterpulsation: a review of the hemodynamic effects and indications for use. Catheter Cardiovasc Interv. 2006;67:68 77. 1027. Theologou T, Bashir M, Rengarajan A, et al. Preoperative intra aortic balloon pumps in patients undergoing coronary artery bypass grafting. Cochrane Database Syst Rev. 2011;CD004472. 1028. Alexander JH, Hafley G, Harrington RA, et al., for the PREVENT IV Investigators. efficacy and safety of edifoligide, an E2F transcription factor decoy, for prevention of vein graft failure following coronary artery bypass graft surgery: PREVENT IV: a randomized controlled trial. JAMA. 2005;294:2446 54. 1029. Koch CG, Li L, Duncan AI, et al. Transfusion in coronary artery bypass grafting is associated with reduced long-term survival. Ann Thorac Surg. 2006;81:1650 7. 1030. Surgenor SD, DeFoe GR, Fillinger MP, et al. Intraoperative red blood cell transfusion during coronary artery bypass graft surgery increases the risk of postoperative low-output heart failure. Circulation. 2006; 114:I43 8. 1031. van Straten AH, Bekker MW, Soliman Hamad MA, et al. Transfusion of red blood cells: the impact on short-term and long-term survival after coronary artery bypass grafting, a ten-year follow-up. Interact Cardiovasc Thorac Surg. 2010;10:37 42. 1032. van Straten AH, Kats S, Bekker MW, et al. Risk factors for red blood cell transfusion after coronary artery bypass graft surgery. J Cardio- thorac Vasc Anesth. 2010;24:413 7. 1033. Deleted in proof. 1034. Deleted in proof. 1035. 