Preoperative Intra‐Aortic Balloon Pump in Patients Undergoing Coronary Bypass Surgery: A Systematic Review and Meta‐Analysis

OBJECTIVES: To assess the effectiveness of preoperative intra-aortic balloon pump (IABP) placement in high-risk patients undergoing coronary bypass surgery (CABG). The primary outcome was hospital mortality and secondary outcomes were IABP-related complications (bleeding, leg ischemia, aortic dissection). METHODS: MEDLINE, EMBASE, Cochrane registry of Controlled Trials, and reference lists of relevant articles were searched. We included …