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Copyright of Medicina (Buenos Aires) is the property of Medicina (Buenos Aires) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Medica Colombiana is the property of Acta Medica Colombiana and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The atypical hemolytic uremic syndrome (aHUS) is a rare clinical entity, but it is the most common cause of acute kidney failure in kids. The disease is characterized by microangiopathic hemolytic anemia, thrombocytopenia and acute renal failure, and it is associated with high morbidity and systemic involvement. We report here three cases of aHUS in infants presenting with prodromal respiratory symptoms, diarrhea, hemolytic anemia, thrombocytopenia and acute renal failure. aHUS cases depict mutations in several genes: membrane cofactor protein (MCP) and complement factor H related proteins 1 and 5 (CFH, RP1 and PR5. Two our patients showed mutations in the genes CFH and MCP, and one presented a new non-previously reported mutation in the gen C3. Our results emphasize the existence of these aHUS mutations and underscore the need to study them to prevent morbidity and mortality. [ABSTRACT FROM AUTHOR]

Copyright of Revista Ciência & Saúde Coletiva is the property of Associacao Brasileira de Pos-Graduacao em Saude Coletiva and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Chilena de Pediatría is the property of Revista Chilena de Pediatria and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Hemolytic uremic syndrome is a clinical entity defined by the triad of non-immune microangiopathic hemolytic anemia (negative direct Coombs), thrombocytopenia and acute renal failure. Histological lesions of hemolytic uremic syndrome are characterized by systemic thrombotic microangiopathy, affecting preferently renal vessels, with wall thickening, thrombosis and vascular light obstruction. Atypical hemolytic uremic syndrome is a subtype in which phenomena of thrombotic microangiopathy are consequence of lost of regulation of alternative way of complement on cell surfaces of genetic cause in most cases with a predominantly infectious triggering. Near 10% of cases of hemolytic uremic syndrome are classified as atypical and have a poor prognosis, with mortality of 25% and progression to terminal renal failure in 50%. This paper reports the case of a 15-year-old female patient with nonimmune hemolytic anemia, thrombocytopenia and acute renal failure. [ABSTRACT FROM AUTHOR]

Copyright of Revista CienciaUAT is the property of Universidad Autonoma de Tamaulipas and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Pediátrica Española is the property of Ediciones Mayo and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Medicina (Buenos Aires) is the property of Medicina (Buenos Aires) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Hemolytic uremic syndrome is a disorder characterized by the clinical triad of hemolytic anemia, microangiopathy and acute renal failure. There are two clinical forms: the typical or classical, which arises after infectious diarrhea and atypically, rarely associated with infection by Streptococcus pneumoniae. In the latter, usually respiratory failure caused by pneumonia, the potential risk of bleeding, the precise use of blood products and renal complications that may arise, should be provided in order to create an effective therapy, which affects the child's best outcome. This case is illustrative of this. [ABSTRACT FROM AUTHOR]