• J A Lopes, S Gonçalves, S Jorge, M Raimundo, L Resende, F Lourenço, J F Lacerda, C Martins, J A do Carmo, J M F Lacerda, and M M Prata.
• Department of Nephrology and Renal Transplantation, Hospital de Santa Maria, Lisboa, Portugal. jalopes93@hotmail.com
• Bone Marrow Transplant. 2008 Nov 1; 42 (9): 619-26.

AbstractWe evaluated retrospectively the incidence of acute kidney injury (AKI), defined by risk, injury, failure, loss and end-stage kidney disease (RIFLE) and its influence on long-term survival, in 82 patients aged 18-60 years who underwent a reduced intensity conditioning (RIC) haematopoietic cell transplantation (HCT). Patients (53.6%) developed AKI after HCT: 25% were on risk, 45.5% on injury and 29.5% on failure. In all, 64 patients survived after 100 days of post transplant and were available for long-term survival analysis. At follow-up, 43.7% of patients died. A 5-year overall survival of AKI patients was 41.6% as compared with 67.1% for those who did not develop AKI (P=0.028), and decreased according to AKI severity (risk, 55.6%; injury plus failure, 33.3%; P=0.045). After adjusting for age, history of cardiovascular disease, high-risk disease and chronic GVHD, AKI predicted 5-year overall mortality (AKI: adjusted hazards ratio (AHR), 2.36, 95% CI: 1.03-5.37; P=0.041). Moreover, moderate and severe AKI (injury plus failure) was also associated with an increased 5-year overall mortality (injury plus failure: AHR, 1.64, 95% CI: 1.06-2.54; P=0.024). According to RIFLE, 53.6% of patients had AKI after RIC HCT. Such patients have poor long-term survival, particularly in moderate or severe AKI.

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