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Minerva Urologica e Nefrologica 2018 April;70(2):202-10

DOI: 10.23736/S0393-2249.17.03009-0


lingua: Inglese

Intravenous dextran 70 infusion has protective effects on ischemia reperfusion injury of kidney: an experimental study

Atilla SEMERCIOZ 1, Mustafa Z. TEMIZ 1 , Ipek ERBARUT 2, Ugur IZOL 2, Serdar AYKAN 1, Murat TUKEN 1, Engin KANDIRALI 1

1 Department of Urology, Bagcilar Training and Research Hospital, Bagcilar, Istanbul, Turkey; 2 Department of Clinical Pathology, Bagcilar Training and Research Hospital, Bagcilar, Istanbul, Turkey


BACKGROUND: Renal ischemia-reperfusion (IR) leads to alterations of tubular epithelial cells, interstitial microvasculopathy and endothelial cell dysfunction in peritubular capillaries. Although dextrans have deteriorative effects on healthy kidney, their favorable effects on postischemic microvascular disturbances have been demonstrated. Therefore, we aimed to investigate in vivo effects of systemic dextran 70 administration in kidney tissue with ischemia-reperfusion injury.
METHODS: Twenty-one rats were allocated as sham, IR and IR+ dextran 70 treatment groups. Perirenal dissection without ischemia-reperfusion injury was performed with 0.9 NaCl solution infusions in the sham group. The left renal ischemia-reperfusion injury model was induced with % 0.9 NaCl and dextran 70 solutions infusion in the IR and IR+ dextran 70 treatment groups, respectively. At the end of the experimental procedures, histopathologic findings, serum creatinine and blood urea nitrogen levels, 24 hour urinary volumes, urinary albumin, KIM-1and IL-18 levels, and tissue MDA and SOD levels were compared between the groups.
RESULTS: We determined slightly reduction of the histopathologic structural changes and significant reduced levels of the albuminuria and KIM-1 in the IR +dextran 70 treatment group (P=0.03 and P=0.02, respectively). Higher 24 hour urine out put and free radical scavenger SOD levels were also detected with Dextran 70 treatment (P=0.0 and P=0.03, respectively).
CONCLUSIONS: Intravenous Dextran 70 infusion has some substantial protective effects against the ischemic injury of kidney.

KEY WORDS: Dextrans - Kidney - Ischemia - Reperfusion injury

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