• Emmanuel Canet, Lara Zafrani, Jerome Lambert, Catherine Thieblemont, Lionel Galicier, David Schnell, Emmanuel Raffoux, Etienne Lengline, Sylvie Chevret, Michael Darmon, and Elie Azoulay.
• Medical Intensive Care Unit, Saint-Louis University Hospital, Paris, France. emmanuel.canet@sls.aphp.fr
• Plos One. 2013 Jan 1; 8 (2): e55870.

BackgroundOptimal chemotherapy with minimal toxicity is the main determinant of complete remission in patients with newly diagnosed hematological malignancies. Acute organ dysfunctions may impair the patient's ability to receive optimal chemotherapy.Design And MethodsTo compare 6-month complete remission rates in patients with and without acute kidney injury (AKI), we collected prospective data on 200 patients with newly diagnosed high-grade malignancies (non-Hodgkin lymphoma, 53.5%; acute myeloid leukemia, 29%; acute lymphoblastic leukemia, 11.5%; and Hodgkin disease, 6%).ResultsAccording to RIFLE criteria, 137 (68.5%) patients had AKI. Five causes of AKI accounted for 91.4% of cases: hypoperfusion, tumor lysis syndrome, tubular necrosis, nephrotoxic agents, and hemophagocytic lymphohistiocytosis. Half of the AKI patients received renal replacement therapy and 14.6% received suboptimal chemotherapy. AKI was associated with a lower 6-month complete remission rate (39.4% vs. 68.3%, P<0.01) and a higher mortality rate (47.4% vs. 30.2%, P<0.01) than patients without AKI. By multivariate analysis, independent determinants of 6-month complete remission were older age, poor performance status, number of organ dysfunctions, and AKI.ConclusionAKI is common in patients with newly diagnosed high-grade malignancies and is associated with lower complete remission rates and higher mortality.

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