What is included in supportive care during the recovery phase from acute renal failure in azotemia?

Updated: Sep 19, 2018
  • Author: Moro O Salifu, MD, MPH, FACP; Chief Editor: Vecihi Batuman, MD, FASN  more...
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The renal failure phase usually lasts 7-21 days if the primary insult can be corrected. Postischemic polyuria can be seen in the recovery phase and represents an attempt to excrete excess water and solute. Saline may be replaced (75% of output) as a maintenance fluid, owing to salt wasting during this phase, and to allow the patient to lose excess water retained while the patient was oliguric. Hypokalemia may result from the saline diuresis, and potassium should be replaced. Recovery is marked by the return of blood urea nitrogen (BUN) and creatinine levels to near-baseline values.

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