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Article
July 30, 1927

PURPURA HEMORRHAGICA (ESSENTIAL THROMBOCYTOPENIA)TREATMENT BY THE MERCURY VAPOR LAMP

Author Affiliations

NEW YORK
From the Medical Department of Mount Sinai Hospital.

JAMA. 1927;89(5):370-372. doi:10.1001/jama.1927.02690050036012
Abstract

In a preliminary communication Sooy and Moise1 reported a new and more rational method of treatment of idiopathic purpura hemorrhagica (essential thrombocytopenia). The rationale of their measure was based on the knowledge that increments in platelets were observed in rats exposed to mercury quartz lamp irradiations and to sunlight.2 Hence, transmuting this fact into the suggestion that irradiation by the mercury vapor lamp might be beneficial in essential thrombocytopenia, since one of the characteristics of that malady is a lowered platelet content of the blood, they subjected ten patients to this type of treatment and have reported satisfactory results. They cite one case in detail, in which a marked improvement was effected after ten exposures varying in length from four to twelve minutes. The result was judged by clinical as well as laboratory observations; that is, the platelet count rose, the bleeding time decreased, and the epistaxis, as

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