Methods A pig ischemic model was established by cross-clamping of the abdominal aorta above the celiac artery for 1 hour, and aortic bypass was used at the same time.

• 方法建立在小猪腹腔动脉开口以上阻断腹主动脉1小时和辅助主动脉转流的模型，观察术后动物出现并发症及组织病理学的改变，研究辅助主动脉转流重建肾上腹主动脉的效果。