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  • Title: Application of blood purification to non-renal organ failure.
    Author: Kellum JA, Venkataraman R.
    Journal: Int J Artif Organs; 2005 May; 28(5):445-9. PubMed ID: 15883958.
    Abstract:
    The application of artificial organs to the task of blood purification in the setting of non-renal organ failure simultaneously presents important challenges and opportunities. Failures of cardiovascular, hepatic, coagulation and immune systems are all characterized by dysregulation leading to multi-organ failure. When sustained, these conditions result in multiple organ system dysfunction and death and are far too common in modern intensive care units (ICUs). While the pathogenesis of each of these organ failures is complex and variable, brought about by a variety of underlying conditions, the potential to improve patient outcomes by simultaneously targeting multiple pathways can perhaps best be realized by blood purification. Unlike drug strategies, which are usually limited to one component of these complex networks, blood purification is, by its very nature, broad spectrum and self regulating. For example, as the concentration of mediators or toxins increases, so does removal. Furthermore, given the many failed trials of specific therapy, the recent focus of immunomodulatory therapy in sepsis has shifted to non-specific methods of influencing the entire inflammatory response without suppressing it. In this issue of the journal, members of the Acute Dialysis Quality Initiative (ADQI) present systematic reviews on the application of hemofiltration, ultrafiltration, plasma therapies and liver-assist therapy for the treatment of non-renal organ failure. The focus of these reviews is on clinical evidence as well as recommendations for future research.
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