Blood purification
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Continuous renal replacement therapy (CRRT) is performed mainly in patients with acute kidney injury, severe sepsis, or septic shock. Evidence has emerged about the indications for and therapeutic conditions of CRRT. In this review, we focus on the evidence for CRRT to date. ⋯ Even though CRRT is an established technique, several points remain under debate. Individualization of therapy should be considered in light of the changes in patient characteristics.