• Yilmaz Tabel, Ahmet Elmas, Sevcan Ipek, Ahmet Karadag, Ozlem Elmas, and Fatma Ozyalin.
• Department of Pediatric Nephrology, Inonu University, Malatya, Turkey.
• Am J Perinatol. 2014 Feb 1; 31 (2): 167-74.

BackgroundOur aims are to determine whether the urinary neutrophil gelatinase-associated lipocalin (uNGAL) can predict acute kidney injury (AKI) development in nonseptic and nonasphyxiated but critically ill preterm infants.MethodsFifty preterm infants, gestational age (GA) between 28 and 34 weeks, were included in this case control study. Blood and urine samples were taken for blood urea nitrogen, serum creatinine, and uNGAL on postnatal (PN) days 1 and 7. uNGAL levels were measured by enzyme-linked immunoassay. Clinical and laboratory characteristics of the AKI group were compared with the non-AKI group.ResultsAKI was diagnosed in six infants during the first week. The median uNGAL levels were significantly higher in the preterm infants with AKI than those of the controls on PN days 1 and 7 (p = 0.006 and p = 0.023, respectively). Backward stepwise logistic regression analysis identified that 5-minute Apgar score and uNGAL levels were significantly associated with the development of AKI, even after controlling for GA, birth weight, gender, and 1-minute Apgar score in nonseptic and nonasphyxiated but critically ill preterm infants.ConclusionsuNGAL can be useful as a predictive marker of AKI in nonseptic and nonasphyxiated but critically ill preterm infants.Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

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