近廿年来,绿脓杆菌已成为一种重要的致病原。现在医院外绿脓杆菌引起的感染仅占全部感染的3～6%;然而绿脓杆菌在医院内是常见的污染菌,大多数医院内绿脓杆菌引起的感染占10～20%。某医院观察,每10万出院病人中绿脓杆菌感染者达343人,约占所有感染的12%。疾病控制中心监视见10% Pseudomonas aeruginosa has become an important causative agent for nearly 20 years. Pseudomonas aeruginosa outside the hospital now caused the infection accounted for only 3 to 6% of all infections; however, Pseudomonas aeruginosa in the hospital is a common contamination of bacteria, most hospitals accounted for 10 to 20% of infections caused by Pseudomonas aeruginosa. A hospital observation, out of every 100,000 hospital patients infected with Pseudomonas aeruginosa up to 343 people, accounting for about 12% of all infections. CDC surveillance see 10%