Therapeutic apheresis and dialysis : official peer-reviewed journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy
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Delayed initiation of renal replacement therapy (RRT) in critically ill acute kidney injury (AKI) patients results in high mortality while too early RRT causes unnecessary risks of the treatment. Current traditional indications cannot clearly identify the appropriate time for initiating RRT. This prospective cohort study was conducted to determine the accuracy of using plasma neutrophil gelatinase-associated lipocalin (pNGAL) and urine NGAL (uNGAL) in early identifying of the AKI patients who subsequently required RRT. ⋯ The combination of pNGAL level of 960 ng/mL and APACHE II score of 20 improved statistical values. In conclusion, pNGAL is an excellent early biomarker for RRT initiation in critically ill patients with AKI stage 2-3. The pNGAL value of 960 ng/mL, alone or in combination with APACHE II score might be used as the early new indicator for early initiation of RRT in AKI stage 2-3 and this might improve patient survival.
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The optimal timing for renal replacement therapy initiation in septic acute kidney injury (AKI) remains controversial. This study investigates the impact of early versus late initiation of continuous renal replacement therapy (CRRT) on organ dysfunction among patients with septic shock and AKI. Patients were dichotomized into "early" (simplified RIFLE Risk) or "late" (simplified RIFLE Injury or Failure) CRRT initiation. ⋯ In conclusion, improvement of non-renal SOFA score 48 h after CRRT correlated with SOFA score on CRRT initiation (P = 0.040) and APACHE IV risk of death (P = 0.000), but not estimated glomerular filtration rate on CRRT initiation (P = 0.377). Improvement of non-renal SOFA score correlated with SOFA score on CRRT initiation and APACHE IV risk of death. However, this retrospective review cannot identify any significant clinical benefit of early CRRT initiation in patients presenting with septic shock and AKI.