梗阻性黄疸 (梗黄 )患者容易并发急性肾功能衰竭、胃肠道出血、感染等 ,但确切机制目前仍不清楚。[1] 研究认为 :[2 ] 内毒素血症可能是主要原因之一。我们通过检测梗黄患者手术前后内毒素 (ＥＴ)含量及肾功能的变化 ,观察血内毒素与肾功能的关系。1　材料与方法1 1　检测对象 Obstructive jaundice (yellow) patients complicated with acute renal failure, gastrointestinal bleeding, infection, but the exact mechanism is still not clear. [1] Studies suggest that: [2] Endotoxemia may be one of the main causes. By detecting the content of endotoxin (ET) and the changes of renal function before and after the operation of the patients with obstructive jaundice, we observed the relationship between endotoxin and renal function. 1 Materials and methods 1 1 test object