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Acta Cirúrgica Brasileira

Print version ISSN 0102-8650On-line version ISSN 1678-2674


COLOGNA, Adauto José et al. Cyclosporine action on kidneys of rats submitted to normothermic ischaemia and reperfusion. Acta Cir. Bras. [online]. 2008, vol.23, suppl.1, pp.36-41. ISSN 1678-2674.

PURPOSE: To verify if rat kidneys lesioned by ischaemia followed by reperfusion are affected by cyclosporine A (CsA). METHODS: Male Wistar rats were randomly divided into three groups, control (GS) and experimental (G1 and G2). G1 was subdivided in two: G1A composed of animals submitted to 60 minutes ischaemia and G1C with the same ischaemic procedure associated to 20 mg/kg/day CsA. Group G2 was subdivided and treated in the same way as G1 except that ischaemia was applied only for 40 minutes. Clamping the left renal artery followed by right side nephrectomy induced kidney ischaemia. Serum urea and creatinine were quantified on the day of surgery (D0) and in the following day (D1). Twenty four hours after reperfusion the left kidney was removed and histologically analyzed. RESULTS: Group GS had normal values for urea and creatinine both on D0 and D1 and did not show structural alterations. Renal function was not significantly different when G2C was compared to GS (p>0.05). Tissue lesions were smaller in G2C than in the other groups. CONCLUSIONS: Renal function was protected by CsA, which also reduced tissue lesions in the kidneys of rats submitted to 40 minutes ischaemia.

Keywords : Cyclosporine; Kidney; Ischaemia [Reperfusion].

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