What are prognostic factors of acute kidney injury (AKI)?

Updated: Dec 24, 2020
  • Author: Biruh T Workeneh, MD, PhD, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Other prognostic factors include the following:

  • Older age
  • Multiorgan failure - Ie, the more organs that fail, the worse the prognosis
  • Oliguria
  • Hypotension
  • Vasopressor support
  • Number of transfusions
  • Noncavitary surgery
  • Occurrence of AKI by itself [27] - Has significant negative prognostic implications

Prerenal azotemia from volume contraction is treated with volume expansion; if left untreated for a prolonged period, tubular necrosis may result and may not be reversible. Postrenal AKI, if left untreated for a long time, also may result in irreversible renal damage. Procedures such as catheter placement, lithotripsy, prostatectomy, stent placement, and percutaneous nephrostomy can help to prevent permanent renal damage.

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