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近十年来,随着微生物学的发展,病原微生物分离和鉴定技术的提高,人们已逐渐认识到固紫染色阴性杆菌为医院获得性肺部感染的一种重要的病原菌。固紫染色阴性杆菌性肺炎为住院病人临床常见而危险的并发症,发病率高,临床表现凶险,治疗困难;预后较差。病原学及流行病学医院获得性肺炎主要是由固紫染色阴性杆菌引起,肺炎克雷白氏杆菌、大肠杆菌、绿脓杆菌、变形杆菌等为最常见的致病病原菌。
In recent ten years, with the development of microbiology and the improvement of identification and identification of pathogenic microorganisms, people have gradually realized that solid purple-stained bacillus is an important pathogen of hospital-acquired pulmonary infection. Solid violet-negative bacilli pneumonia is a common and dangerous complication of clinical inpatients, the incidence is high, the clinical manifestations of dangerous, difficult to treat; the prognosis is poor. Pathogens and epidemiology Hospital-acquired pneumonia is caused mainly by solid-violet-negative bacilli, Klebsiella pneumoniae, Escherichia coli, Pseudomonas aeruginosa, Proteus, etc. as the most common causative pathogens.