[Transfusion therapy of the XIX century - the beginning of the formation of parenteral nutrition for surgical patients].

The article highlights the basic experiments of the predecessors, which served as an impetus for the clinical development of transfusiology in surgery in three main directions: hemotransfusion, intravenous transfusion of aqueous solutions of salts and glucose, as well as parenteral administration of natural milk. The immediate results of each of the options are shown, the dangers and complications that accompanied the accumulation of experience are described. The problems that could be solved only with the further development of science are formulated.