[Simple diagnosis of diabetic microangiopathy by means of the tourniquet test].

The pathological results of the tourniquet test after Rumpel-Leede by the establishment of a decreased capillary resistance refers to the presence of a microangiopathy in diabetics and by its rapid and simple performance is suitable for the preliminary diagnostics, in order to judge the conditions of microcirculation. The longer the diabetes exists the oftener a pathological result is found in the tourniquet test. The form of therapy as parameter for the severity of the disease shows a direct relation to the accumulation of pathological findings of capillary resistance. In diabetic hypertensive patients regularly a pathologically decreased capillary resistance is to be found.