TY - JOUR TT - Atypical Hemolytic Uremic Syndrome AU - Gülleroğlu, Kaan AU - Gülleroğlu, Başak AU - Baskın, Esra PY - 2015 DA - December JF - Türkiye Çocuk Hastalıkları Dergisi JO - Türkiye Çocuk Hast Derg PB - T.C. Sağlık Bakanlığı Ankara Şehir Hastanesi WT - DergiPark SN - 1307-4490 SP - 286 EP - 291 VL - 9 IS - 4 KW - Atipik hemolitik üremik sendrom KW - Eculizumab KW - Trombotik mikroanjiopati N2 - Atypical hemolytic uremic syndrome is the result of a spectrum of diseases. Disorders of complement regulation are the most important reasons in the etiology. It is associated with defective regulation of the alternative complement pathway in over 50% of the cases. Clinical abnormalities are related with the presence of thrombotic microangiopathy. Patients with atypical hemolytic uremic syndrome have a poor prognosis with a high mortality and morbidity in the acute phase of the disease and progression to end-stage renal disease in 50% of the cases. Various extra renal complications due to systemic thrombotic microangiopathy may occur in HUS, including neurological, pancreatic and cardiac involvement. Eculizumab is a humanized monoclonal anti-C5 antibody. It blocks the alternative complement pathway at the level of proinflammatory C5a and lytic C5b-9 complex generation. With the increase in experience, eculizumab therapy may be the first-line treatment. We do not know the optimal duration of eculizumab therapy. We also do not know in which patient a severe relapse could develop. At this moment we can suggest that eculizumab is life-saving and enhances the quality of life CR - Schmidtko J, Peine S, El-Housseini Y, Pascual M, Meier P. Treatment of atypical hemolytic uremic syndrome and thrombotic microangiopathies: A focus on eculizumab. Am J Kidney Dis 2013; 61: 289-99. CR - Ariceta G, Besbas N, Johnson S, Karpman D, Landau D, Licht C, Loirat C, et al. 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