Cardiorenal Syndrome and the Role of Ultrafiltration in Heart Failure
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- Prosek, J., Agarwal, A. & Parikh, S.V. Curr Heart Fail Rep (2013) 10: 81. doi:10.1007/s11897-012-0129-1
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Acute decompensated heart failure (ADHF) with associated volume overload is the most common cause of hospitalization in heart failure patients. When accompanied by worsening renal function, it is described as a cardiorenal syndrome and is a therapeutic challenge. Initial treatment commonly encompasses intravenous diuretics however, suboptimal results and high rehospitalization rates have led experts to search for alternative therapeutic strategies. Recent technological advances in extracorporeal therapies have made ultrafiltration a feasible option for treatment of hypervolemia in ADHF. Recent large randomized trials have compared the efficacy and safety of ultrafiltration with diuretics. Additionally, the benefits of novel pharmacologic approaches, including combining hypertonic saline with diuretics, have recently been studied. The aim of this review is to discuss the developments in both pharmacologic and extracorporeal methods for treating hypervolemia in ADHF and acute cardiorenal syndrome.