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本文测定了２１只犬在正常、肾移植前和肾移植恢复血流后１小时，血中超氧化物歧化酶（ＳＯＤ）活性和脂质过氧化物丙二醛（ＭＤＡ）含量的变化。结果发现：在肾移植前和肾移植恢复血流后１小时与正常时相比，血中ＳＯＤ活性明显下降（Ｐ＜０．００１），同时血中ＭＤＡ含量显著升高（Ｐ＜０．００１），尤以移植后恢复血流１小时为甚。提示了在肾移植过程中，加入一定的自由基清除剂等，对术后恢复将有重要的作用，而在肾保存中移植后加入抗氧化剂至关重要。
The changes of superoxide dismutase (SOD) and lipid peroxidation malondialdehyde (MDA) in 21 dogs before and after renal transplantation and 1 hour after renal transplantation were measured. The results showed that the activity of SOD in blood decreased significantly (P <0.001) and the content of MDA in blood increased significantly (P <0.001) at 1 hour after kidney transplantation and before transplantation ), Especially in 1 hour after transplantation to restore blood flow even worse. Prompted in the process of kidney transplantation, adding a certain amount of free radical scavenger, etc., will have an important role in postoperative recovery, and renal preservation in the preservation of anti-oxidant is essential.