寻找并加纠正感染源是治疗败血症极其重要的环节。在抗菌素时代之前,通常起源于泌尿生殖道、胃肠道与胆道。近数年来比较常见的途径包括皮肤(3度灼伤),皮下组织(手术后创口)与肺。放置静脉导管菌血症发生率较高,感染性动脉移植与动静脉造瘘更易发生。静脉输液污染,特别是静脉注射高营 To find and correct the source of infection is an extremely important part of the treatment of sepsis. Prior to the antibiotic era, it usually originated in the urogenital, gastrointestinal and biliary tract. The most common routes in recent years include skin (3 degree burns), subcutaneous tissue (postoperative wounds) and lungs. The higher the incidence of intravenous catheter bacteremia, infectious arterial graft and arteriovenous fistula more likely to occur. Intravenous infusion of contaminated, especially high intravenous infusion