感染性休克也称败血症性休克或中毒性休克。是由病原微生物及其毒素在人体引起的一种微循环障碍状态，致组织缺氧、代谢紊乱、细胞损害甚至多器官功能衰竭。成年人、婴幼儿、慢性疾病、长期营养不良、免疫功能缺陷及恶性肿瘤患者或较大手术后患者尤易发生。
由于细菌毒素的作用，尤其是内毒素，败血症性休克的促炎症性反应强于其他休克。
Septic shock may be more proinflammatory than other forms because of the actions of bacterial toxins, especially endotoxin.
单髁膝关节成形术较全髁膝关节成形术术后败血症性休克危险降低，但无显著性差别。
The rate of septic failure was lower after unicondylar than after total condylar primary knee arthroplasty, but the difference was not significant.
败血症性休克常发生在细菌感染后，以机体免疫系统释放出大量的致炎(炎症前)细胞因子为特征。
Septic shock often follows a bacterial infection, and is characterized by the overwhelming release of pro-inflammatory cytokines by the body's immune system.
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