An Update on the Controversies in Anemia Management in Chronic Kidney Disease: Lessons Learned and Lost

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Abstract

Background. Erythropoietin deficiency and anemia occur in Chronic Kidney Disease (CKD) and may be treated with Erythropoietin Stimulating Agents (ESAs). The optimal hemoglobin, in non-End Stage Renal Disease CKD, is controversial. Methods. We review three recent randomized trials in anemia in CKD: CHOIR, CREATE, and TREAT. Results. CHOIR (N = 1432) was terminated early with more frequent death and cardiovascular outcomes in the higher Hb group (HR 1.34: 95% C.I. 1.03-1.74, P = .03). CREATE (N = 603) showed no difference in primary cardiovascular endpoints. Stroke was more common in the higher Hb group (HR 1.92; 95% C.I. 1.38-2.68; P < .001) in TREAT (N = 4038). Conclusions. There is no benefit to an Hb outside the 10-12 g/dL range in this population. To avoid transfusions and improve Quality of Life, ESAs should be used cautiously, especially in patients with Diabetes, CKD, risk factors for stroke, and ESA resistance.

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