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Nat Rev Nephrol. 2011 Apr;7(4):189-200. doi: 10.1038/nrneph.2011.16. Epub 2011 Mar 1.

Pathophysiology of ischemic acute kidney injury.

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Division of Nephrology, Department of Medicine, Indiana University School of Medicine, 950 West Walnut Street, R2-202, Indianapolis, IN 46202, USA.


Acute kidney injury (AKI) as a consequence of ischemia is a common clinical event leading to unacceptably high morbidity and mortality, development of chronic kidney disease (CKD), and transition from pre-existing CKD to end-stage renal disease. Data indicate a close interaction between the many cell types involved in the pathophysiology of ischemic AKI, which has critical implications for the treatment of this condition. Inflammation seems to be the common factor that links the various cell types involved in this process. In this Review, we describe the interactions between these cells and their response to injury following ischemia. We relate these events to patients who are at high risk of AKI, and highlight the characteristics that might predispose these patients to injury. We also discuss how therapy targeting specific cell types can minimize the initial and subsequent injury following ischemia, thereby limiting the extent of acute changes and, hopefully, long-term structural and functional alterations to the kidney.

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