Enzymuria and low molecular weight protein excretion as the differentiating marker of complications in the early post kidney transplantation period

Renal function in the early post-transplantation period depends largely on factors affecting the kidney prior to implantation. Function of the graft may be also disturbed by the most common complications of the early post-operative period such as acute graft rejection (AGR), acute tubular necrosis (...

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Bibliographic Details
Published in:International urology and nephrology 2006-01, Vol.38 (3-4), p.753-758
Main Authors: Kuźniar, Jakub, Marchewka, Z, Krasnowski, R, Boratyńska, M, Długosz, A, Klinger, M
Format: Article
Language:English
Subjects:
Adult
Biomarkers - urine
Enzymes - urine
Female
Humans
Kidney Transplantation - adverse effects
Male
Postoperative Complications - urine
Proteinuria - etiology
Time Factors
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Summary:Renal function in the early post-transplantation period depends largely on factors affecting the kidney prior to implantation. Function of the graft may be also disturbed by the most common complications of the early post-operative period such as acute graft rejection (AGR), acute tubular necrosis (ATN) and may be modified by nephrotoxic action of cyclosporine A (CsA). Evaluation of excretion of enzymes and low molecular weight proteins (LMWP) may help in the differentiation of these complications. Aim Comparison of the urinary excretion of markers of tubular injury in patients with AGR, ATN, or patients with stable graft function (SGF) was made and differences between groups and correlations between markers and cold ischemia time (CIT), warm ischemia time (WIT) and blood trough level of cyclosporine A (CsA0) were determined. Material and methods In 60 cadaveric renal allograft recipients in the early post-transplantation period urinary excretion of N-acetyl-beta-D-glucosaminidase (NAG) and B isoenzyme (NAG-B), alanylaminopeptidase (AAP), gamma-glutamyltransferase (GGT), alpha and pi isoenzymes of glutathione S-transferase (alpha-GST, pi-GST), retinol binding protein (RBP) and beta2- microglobulin (beta2M), were analyzed. Results NAG and NAB-B activities were higher in ATN (P
ISSN:0301-1623
1573-2584
DOI:10.1007/s11255-006-0052-z