COMPARATIVE ANALYSIS OF CHANGES IN THE RHEOLOGICAL PROPERTIES OF BLOOD AT STAGES OF TREATMENT OF CARDIOSURGERY PATIENTSYu. A. Morozov and E. V. Roitman UDC 616.155.194:622.214.171.124:612.15 It is shown that a heat operation under the conditions of artificial circulation exerts a marked influence on the rheological properties of blood and has a characteristic hemorheological picture during and after the operation. In this case, the value of the flow limit 0 is a hemorheological criterion reflecting the adequacy of the surgical correction of a cardiovascular pathology and the efficiency of the intensive therapy measures, which should be taken into account when such patients are treated. Russian Scientific Center of Surgery, Russian Academy of Medical Sciences, Moscow, Russia. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 76, No. 3, pp. 185-187, May-June, 2003. Original article submitted September 6, 2002.