Introduction:

Acute Kidney Injury (AKI) is defined as an elevation of serum creatinine of 0.3 mg/dL and more, or as the presence of low urine output for less tan 0.3 mL/kg/hour for at least six hours.

Methods:

We had the hypothesis that the patients atmitted to the Intensive Care Unit (ICU) during 2013 used to have high incidence of AKI because they were resucitated with more saline 0.9% solution than patients today. We compare two groups of patients in different periods of time (years 2013 and 2015). We recorded every day different data like fluid balance (FB), cirteria of acute kidney injury (AKI) and type and quantity of intravenous fluids.

Results:

During the period of July-August 2013 we included 30 patients, and during the lapse of time of July-August 2015 we included 36 patients, for a total number of 66 patients (n = 66). There was no statistic association between the type or the quantity of cristalloid intravenous fluid administered with the incidence of AKI (p = 0.8) and the lenght of ICU stay (p = 0.45). We found only statistic significance between AKI and the use of colloids as an intravenous fluid (p = 0.01).

Conclusions:

Nowadays we have the trend of use more balance intravenous fluids, the acute kidney injury has to be forewarned and avoided in the ICU.

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