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目的研究老年科病房医院感染的特点及其危险因素,以加强防控措施。方法采用回顾性调查方法,对宁波市第一医院老年病房2010-2011年收治的1 860例住院患者进行了调查。结果该医院老年病科1 860例住院患者中,发生医院感染181例、197例次,医院感染率为9.7%、例次感染率为10.6%。老年患者医院感染部位以呼吸道为主,占56.9%;其次为泌尿道感染,占14.7%。从感染患者标本中检出病原菌178株,其中革兰阴性菌占64.0%,革兰阳性菌占26.4%。基础疾病、意识障碍、长期住院、侵入性操作等构成老年患者医院感染主要危险因素。结论老年科医院感染发生率高,危险因素明确,应有针对性地加强防控措施。
Objective To study the characteristics and risk factors of nosocomial infection in geriatric ward in order to strengthen prevention and control measures. Methods A retrospective survey method was used to investigate 1,860 hospitalized patients admitted to the ward of the First Hospital of Ningbo from 2010 to 2011. Results Among 1,860 hospitalized patients in our hospital, 181 cases were hospitalized and 197 cases were hospitalized. The nosocomial infection rate was 9.7% and the infection rate was 10.6%. The majority of nosocomial infections in elderly patients were respiratory tract, accounting for 56.9%; followed by urinary tract infection, accounting for 14.7%. 178 strains of pathogens were detected from infected patients, of which, Gram-negative bacteria accounted for 64.0% and Gram-positive bacteria accounted for 26.4%. Basic diseases, unconsciousness, long-term hospitalization, invasive procedures constitute the main risk factors for nosocomial infections in elderly patients. Conclusion Geriatric hospital infection rate is high, the risk factors are clear, prevention and control measures should be targeted to strengthen.