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比较研究缺血预处理组（ Ｐ Ｃ１ ， Ｐ Ｃ２ ， Ｐ Ｃ３） ，缺血再灌注组（ Ｉ／ Ｒ） 和对照组（ Ｃｔｒｌ） 家兔血液中超氧化物歧化酶（ Ｓ Ｏ Ｄ） 、肌酐（ Ｃｒ） 及肾脏超微结构的改变。结果显示在急性缺血６０ ｍｉｎ 再灌注６０ ｍｉｎ 时， Ｉ／ Ｒ 组血中 Ｓ Ｏ Ｄ 和 Ｃｒ 浓度明显高于 Ｐ Ｃ 各组及对照组（ Ｐ ＜ ０ ．０１） ， Ｐ Ｃ 组中仅发现 Ｐ Ｃ２ 与对照组血液中 Ｃｒ 无明显差别（ Ｐ ＞ ０ ．０５） ； Ｉ／ Ｒ 组肾细胞发生明显变性坏死，而 Ｐ Ｃ 各组与对照组未见明显改变，提示 Ｐ Ｃ 处理在肾脏缺血和再灌流过程中对肾脏有保护作用。
The levels of superoxide dismutase (SOD) and creatinine (creatinine) in blood of ischemic preconditioning group (P C1, P C2, P C3), ischemia reperfusion group (I / R) and control group (Ctrl) Cr) and renal ultrastructure changes. The results showed that the concentrations of S O D and Cr in I / R group were significantly higher than those in P C group and control group (P <0.01) at 60 min after 60 min of acute ischemia, and only in P group There was no significant difference in the blood Cr level between P C2 and control group (P> 0.05). Renal cells in I / R group were significantly degenerated and necrotic, but there was no obvious change in P C group and control group, Blood and reperfusion during the protection of the kidney.