TREATMENT OF IDIOPATHIC PURPURA HEMORRHAGICA

Abstract
The treatment advocated for idiopathic purpura hemorrhagica is entirely symptomatic in nature, with chief emphasis placed on checking the hemorrhage and replacing the lost platelets. Heretofore, the most satisfactory method of treatment has been the transfusion of blood, although the beneficial effects are usually transient. In their study of the effect of light and of darkness on the constituents of the blood, Laurens and Sooy1have observed a stimulating influence of direct sunlight and an inhibitory influence of darkness on the number of red blood cells and platelets in white rats. Furthermore, they2have observed a more pronounced stimulation of these elements of the blood after exposure of white rats to the mercury vapor quartz lamp. This stimulating influence of light therapy on the blood platelets was quite obvious after three daily exposures of six minutes at a distance of 2 feet. This knowledge, with the fact that

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