Compared with the 1K1C+BEA group before removal of the clip, when the renal medulla was shattered by BEA, unclipping could not decrease blood pressure or improve the GFR (P>0.05).

• 1K1C+BEA组去夹前后比较；破坏肾髓质后去除钳夹未见明显的降压作用(P>0.；05); 肾小球滤过率(GFR)未见明显提高(P>0