Abstract
Background: To compare the predictors In-hospital mortality of patients with septic Acute Kidney Injury (S-AKI) and non-septic AKI (NS-AKI). Methods: a cohort study of critically ill patients with AKI admitted to the emergency room at a tertiary hospital from January to June 2019. The primary outcome was hospital mortality. Results: There were 116 patients who met the inclusion criteria. Compared with NS-AKI, patients with S-AKI had significantly lower mean MAP, median eGFR, and urine output. (UO). S-AKI had higher mortality and vasopressor requirements and had a lower renal recovery than NS-AKI (63.2% vs 31.4%, p=0.001; 30.8% vs 13.7%, p=0.031, and 36.9% vs 60.8%, p=0.011, respectively). AKI stage 3 and vasopressor requirements were dependent risk factors for both S-AKI and NS-AKI mortality. Meanwhile, SOFA score > 7 and the need for dialysis are dependent and independent risk factors for mortality in S-AKI. Worsening and/or persistence in UO, serum urea and creatinine levels at 48 h after admission were predictors of mortality in S-AKI and NS-AKI. Improvement in UO in surviving patients was more pronounced in S-AKI than in NS-AKI (50% vs 17.1%, p=0.007). The surviving S-AKI patients had a longer hospital stay than surviving NS-AKI [8 (6-14.5) vs 5 (4 – 8), p=0.004]. S-AKI have higher mortality and vasopressor requirements and have lower renal recovery than NS-AKI. Conclusion: S-AKI have higher mortality and vasopressor requirements and a lower renal recovery than NS-AKI. Independent predictors of mortality in S-AKI were high SOFA scores and the need for dialysis.
Highlights
Acute kidney injury (AKI) is a disorder that occurs in the kidneys with a sudden onset characterized by a decrease in kidney function and or a decrease in urine output.[1]
There was a history of higher use of RAS blocker drugs in NS-AKI than septic Acute Kidney Injury (S-AKI) patients which was in line with the higher proportion of heart failure in this group (Table 1)
There was no difference in terms of dialysis need and hospital length of stay (LOS) between S-AKI and NS-AKI (Table 2)
Summary
Acute kidney injury (AKI) is a disorder that occurs in the kidneys with a sudden onset characterized by a decrease in kidney function and or a decrease in urine output.[1]. To compare the predictors In-hospital mortality of patients with septic Acute Kidney Injury (S-AKI) and non-septic AKI (NSAKI). S-AKI had higher mortality and vasopressor requirements and had a lower renal recovery than NS-AKI (63.2% vs 31.4%, p=0.001; 30.8% vs 13.7%, p=0.031, and 36.9% vs 60.8%, p=0.011, respectively). S-AKI have higher mortality and vasopressor requirements and have lower renal recovery than NS-AKI. Conclusion: S-AKI have higher mortality and vasopressor requirements and a lower renal recovery than NS-AKI. Independent predictors of mortality in S-AKI were high SOFA scores and the need for dialysis
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