[Functional activity of thrombocytes soon after implantation of an artificial heart].

Experiments on calves undergoing implantation of artificial hearts (Soviet models) under extracorporeal circulation were made to examine platelet adhesion and aggregation. It was demonstrated that the increase in platelet adhesion and aggregation set in from the 2nd hour of the artificial heart work and lasted till the end of the experiments. It was discovered that platelet aggregation correlated well with fibrinogen concentration.