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  • Title: Urinary neutrophil gelatinase-associated lipocalin and the occurrence of delayed graft function after kidney transplant.
    Author: Qurashi S, Ghamdi G, Jaradat M, Tamim H, Aljumah A, Tamimi W, Al Dawood A, Binsalih S, Al Sayyari A.
    Journal: Exp Clin Transplant; 2014 Oct; 12(5):396-400. PubMed ID: 25019387.
    Abstract:
    OBJECTIVES: To investigate the predictive value of urinary neutrophil gelatinase-associated lipocalin in the occurrence of delayed graft function after kidney transplant. MATERIALS AND METHODS: In this prospective cohort study of 67 consecutive patients who received a living-related (40 patients [61%]) or deceased-donor kidney transplant (27 patients [39%]), urinary neutrophil gelatinase-associated lipocalin was determined in the first 100 mL perfusate of the donor kidney and in urine at 6 hours after transplant. Patients were followed (11 ± 7 mo) for changes in estimated glomerular filtration rate and delayed graft function. RESULTS: The mean urinary neutrophil gelatinase-associated lipocalin level at 6 hours after transplant was significantly higher after deceased-donor (781 ± 452 ng/mL) than living-donor transplant (229 ± 223 ng/mL; P ≤ 0.001). The decrease in estimated glomerular filtration rate from 6 to 12 months after transplant was positively correlated with the urinary neutrophil gelatinase-associated lipocalin levels in the perfusate in living-donor transplant. A significant correlation was noted between the occurrence of delayed graft function and the urinary neutrophil gelatinase-associated lipocalin level at 6 hours after living-donor transplant. In the deceased-donor group, the occurrence of delayed graft function was correlated with urinary neutrophil gelatinase-associated lipocalin levels in the perfusate. In deceased-donor kidney transplant, the mean urinary neutrophil gelatinase-associated lipocalin level in the perfusion fluid was significantly greater from donors who had terminal serum creatinine > 150 μmol/L, and urinary neutrophil gelatinase-associated lipocalin level at 6 hours after transplant was significantly greater in transplants with longer cold ischemia time and donors who had hypertension. CONCLUSIONS: Urinary neutrophil gelatinase-associated lipocalin levels in the donor kidney perfusate and 6 hours after transplant may be a useful predictor of delayed graft function and decreased graft function from 6 to 12 months after transplant.
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