Participants: A total of 37 consecutive adult patients requiring IABP support of 3, 112 patients undergoing cardiac surgery from 01/01/2005 to 30/06/2010 at Heart Institute of Ho Chi Minh City. Intervention: All patients were assigned into 1 of 2 groups: survival (n = 20) and non - survival (n = 17). Main results: The effectiveness on hemodynamic showed that the diastolic pressure improved after balloon insertion increased significantly after 72 hours (p = 0.028).