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目的分析我院肾内科副流感嗜血杆菌暴发流行的原因,为控制感染提供依据。方法采集患者和医务人员的痰液或咽拭子按常规方法作培养和病原学鉴定及药敏试验。结果2002年1月~2月间,肾内科住院病人发生副流感嗜血杆菌感染16例,其中13名患者中分离出副流感嗜血杆菌Ⅰ型。同期肾内科15名医务人员亦检有副流感嗜血杆菌感染,其中11名工作人员标本中检出副流感嗜血杆菌Ⅰ型。结论本次流行菌株主要为副流感嗜血杆菌Ⅰ型,医务人员与患者的交叉感染为医院感染的危险因素;患者人群区域性丛集分布,提示有外源性交叉感染的可能;要高度重视院内感染监测,加强医务人员的无菌观念,做好病区环境净化工作,加强病人的保护性措施,以防止院内感染的发生和流行。
Objective To analyze the causes of outbreaks of Haemophilus parainfluenzae in our department and provide basis for controlling infection. Methods The sputum or throat swabs of patients and medical staffs were collected for routine culture and pathogenic identification and drug sensitivity test. Results From January to February 2002, 16 cases of haemophilus parainfluenzae inpatients were admitted to the department of nephrology. Haemophilus parahaemolyticus type Ⅰ was isolated from 13 patients. In the same period, 15 medical staff of the Department of Nephrology also admitted to Haemophilus parainfluenzae infection, in which 11 staff member specimens detected Haemophilus parainfluenzae type I. Conclusion The prevalence of this epidemic strain is Haemophilus parahaemolyticus type Ⅰ. The risk of nosocomial infection is the result of cross-infection of medical staff and patients. The distribution of regional population of patients indicates the possibility of exogenous cross-infection. Infection monitoring, strengthening the sterile concept of medical staff, to do a good job of ward environment purification work, strengthen patient protective measures to prevent the occurrence and prevalence of nosocomial infections.