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目的了解住院老年患者医院感染状况,分析诱发因素,提出有效干预措施。方法采用前瞻性监测与回顾性调查结合的方法,对该医院2007年度住院老年病人资料进行了调查分析。结果该医院全年住院65岁以上老年病人349例,发生医院感染11例,感染发生率为3.15%。老年病人医院感染发生部位以下呼吸道为主,占72.73%;这些老年病人多数存在基础疾病重、进行过侵入性操作和长期大量使用抗生素等感染诱发因素。引起老年医院感染的致病菌以革兰阴性杆菌为主,其中真菌感染占63.64%、铜绿假单胞菌感染占18.18%。结论老年病人是医院感染易感人群,以呼吸道感染比例最高,主要致病菌为革兰阴性杆菌。
Objective To understand the prevalence of nosocomial infection in hospitalized elderly patients, analyze the predisposing factors and propose effective interventions. Methods The prospective monitoring and retrospective investigation combined with the method of hospital data of 2007 inpatient elderly were investigated and analyzed. Results The hospital was hospitalized throughout the year in patients over the age of 65 elderly patients 349 cases of nosocomial infection in 11 cases, the incidence of infection was 3.15%. The respiratory tract was the main cause of nosocomial infection in elderly patients, accounting for 72.73% of the total. The majority of these elderly patients had underlying diseases, invasive procedures and long-term use of antibiotics. Gram-negative bacilli are the main pathogenic bacteria which cause the infection in geriatric hospitals, among which fungal infection accounts for 63.64% and Pseudomonas aeruginosa infection accounts for 18.18%. Conclusion Elderly patients are the most susceptible to nosocomial infection, with the highest proportion of respiratory infections, and the main pathogens are Gram-negative bacilli.