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  • Title: [Microangiopathic hemolytic anemias. Clinical pattern, therapy and clinical course in 14 patients with thrombotic thrombocytopenic purpura and hemolytic uremic syndrome].
    Author: Krause M, Fehr J, Gmür J, Keusch G, Frick P, Oelz O.
    Journal: Schweiz Med Wochenschr; 1986 Nov 29; 116(48):1666-74. PubMed ID: 3798063.
    Abstract:
    Thrombotic thrombocytopenic purpura (TTP) and the hemolytic uremic syndrome (HUS) have in common a microangiopathic hemolytic anemia involving disseminated platelet aggregation and endothelial damage of the microvasculature mainly of the brain (TTP) and kidney (HUS). The underlying pathomechanism still remains unclear. The disease takes an acute, dramatic and frequently fatal course. Unfortunately a broadly approved therapeutic regimen is still lacking since the rarity of TTP and HUS makes study of a large group of patients impossible. We have observed and treated 14 patients with TTP and HUS during a period of 9 years. Most of the cases have been triggered by infectious diseases and pregnancy. Diagnostic cornerstones were hemolytic anemia, schistocytes on peripheral blood smears and consumption thrombocytopenia. Renal and cerebral symptoms were observed regularly, whereas lesions of the pancreas, liver and heart were much less frequent. The treatment included plasma transfusion (47%), plasma exchange (42%), high dose corticosteroids (74%), antiplatelet agents (53%), vitamin E (32%) and vincristin (11%). The outcome of 19 episodes of TTP or HUS was as follows: in 78% complete recovery, in 11% persistence of impaired renal function, and in 11% death. From analysis of our cases it is concluded that plasma transfusions and high dose corticosteroids improve the prognosis of TTP and HUS significantly.
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