脓毒症是临床危重症患者的严重并发症之一,来势凶猛,进展迅速,病死率高~〔1〕。全世界每天大约有14 000人死于脓毒症及其并发症,我国每年也有数百万的脓毒症患者~〔2〕。美国的流行病学研究显示,脓毒症每年需耗费高达200亿美元的医疗成本,而其发病率仍呈每年1.5%~8.0%的趋势增 Sepsis is one of the serious complications of clinical critically ill patients, ferocious, rapid progress, high mortality ~ 〔1〕. About 14,000 people die of sepsis and its complications every day in the world, and there are millions of sepsis patients each year in our country. [2] Epidemiological studies in the United States have shown that sepsis costs up to $ 20 billion a year in medical costs while the incidence is still at a trend of 1.5% to 8.0% per year