TY JOUR TI CHANGE OF APPROACH TO USING INTRA-AORTIC BALLOON COUNTERPULSATION IN COMBINED CARDIAC SURGERY KW acute heart failure KW combined heart surgery KW differentiated approach KW intra-aortic balloon counter pulsation JO Acta biomedica scientifica AU Bakhareva, Y.. AU Muravskaya, A.. AU Nadiradze, Z.. AU Mikhaylov, A.. PY 2016 IS 1 PB Scientific Center for Family Problems and Human Reproduction