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  • Title: Predictive value of Banff score of early kidney allograft biopsies for 1-year graft survival.
    Author: Kaminska D, Bernat B, Mazanowska O, Krasnowski R, Polak W, Patrzalek D, Kochman A, Klinger M.
    Journal: Transplant Proc; 2006; 38(1):59-61. PubMed ID: 16504664.
    Abstract:
    The aim of this study was to evaluate the Banff score of early kidney allograft biopsies, taken during the first month after transplantation, seeking an association between early rejection and acute tubular necrosis. We analyzed data from 71 patients transplanted between 2000 and 2004 who had renal allograft biopsies performed within the first posttransplant month (23 women, 48 men), ages 18 to 67 years. All biopsies performed in cases of delayed or deteriorated graft function were graded according to the Banff' 97 classification. Twelve months after transplantation, 19 patients exhibited excellent renal function (group 1, serum creatinine concentration [Scr] < or = 1.5 mg/dL); 25 patients demonstrated preserved renal function (group II, Scr 1.51-1.99 mg/dL); and 19 patients showed deteriorated renal function (group III, Scr > or = 2.0 mg/dL). Eight recipients lost their grafts within 1 year after transplantation (group IV). The Banff index was defined as a sum of all components (value of glomerulitis ["g"] + interstitial inflammation ["i"] + tubulitis ["t"] + arteriolar hyaline thickening ["ah"] + intimal arteritis ["v"]). The deterioration of renal function was associated with a higher Banff index; patients who lost their grafts showed the highest values of this index. Scores of "v," "ah," and Banff index were positively correlated with serum creatinine concentrations at 28, 90, 180, and 360 days (P < .05). Glomerulitis ("g") was correlated with creatinine concentrations at 90 and 360 days (P < .05). Tubulitis ("t") and interstitial inflammation ("i") displayed no association with renal function at any time.
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