[Incompatibility reactions following the infusion of colloidal volume substitutes during anesthesia].

A case of incompatibility reaction after Macrodex infusion during anesthesia is reported. The possibility of activating the so-called "alternative pathway" by dextran is shown. The early recognition of this reason for incompatibilities may help to prevent the development of severe, possibly fatal forms of dextran incompatibility. Strict observation of the patient during, especially at the beginning of the infusion and an exact recognition of the symptoms are necessary if dextran infusions are applied.