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Acute Kidney Injury in Pediatric Cancer Patients

To analyze the incidence of acute kidney injury (AKI) in the first year after cancer diagnosis in children and to evaluate the short-term and long-term effects on renal function and proteinuria. Retrospective review of medical records was done on children who were diagnosed and treated for cancer at...

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Bibliographic Details
Published in:The Journal of pediatrics 2019-05, Vol.208, p.243-250.e3
Main Authors: Park, Peong Gang, Hong, Che Ry, Kang, Eunjeong, Park, Minsu, Lee, Hajeong, Kang, Hyoung Jin, Shin, Hee Young, Ha, Il-Soo, Cheong, Hae Il, Yoon, Hyung Jin, Kang, Hee Gyung
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Language:English
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Summary:To analyze the incidence of acute kidney injury (AKI) in the first year after cancer diagnosis in children and to evaluate the short-term and long-term effects on renal function and proteinuria. Retrospective review of medical records was done on children who were diagnosed and treated for cancer at Seoul National University Hospital between 2004 and 2013. AKI was defined according to the Kidney Disease: Improving Global Outcomes criteria. Impaired renal function of estimated glomerular filtration rate less than 90 mL/minute/1.73 m2 and development of proteinuria of cancer survivors were also assessed. This study included 1868 patients who were diagnosed with cancer at a median age of 7.9 years. During the course of treatment, 983 patients (52.6%) developed 1864 episodes of AKI, and the cumulative incidence at 2 weeks, 3 months, and 1 year after diagnosis was 28.9%, 39.6%, and 53.6%, respectively. The 1-year cumulative incidence was the highest in patients with acute myeloid leukemias (88.4%). In all, 6.1% of patients had more than 4 episodes of AKI and 11.8% of patients had stage 3 AKI. Among the 1096 childhood cancer survivors, 22.6% were found to have impaired renal function. A greater number of AKI episodes (≥4 times) and nephrectomy were independent risk factors of impaired renal function. Also, 8.2% of the survivors developed proteinuria among 742 childhood cancer survivors. A large percentage of children with cancer experience AKI during the course of treatment, and AKI is associated with impaired long-term renal function.
ISSN:0022-3476
1097-6833
DOI:10.1016/j.jpeds.2018.12.023