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目的调查医院感染病例中革兰阳性菌感染特点,寻找预防与控制措施。方法回顾分析北京某医院2009-2011年医院感染病例中222例革兰阳性菌感染情况。结果本次革兰阳性菌感染菌株调查中,检测到耐甲氧西林金黄色葡萄球菌(MRSA)83株,检出率37.39%,检出率最高。下呼吸道感染118例(占53.15%),为医院感染的主要感染部位。危险因素分析发现,接受介入性操作的患者112例,占50.45%。结论在病原菌和药敏结果的基础上使用抗菌药物,加强消毒隔离和呼吸道护理,减少不必要的介入性操作,将有助于控制医院感染病例中革兰阳性菌感染。
Objective To investigate the characteristics of Gram-positive bacteria in nosocomial infections in order to find prevention and control measures. Methods A retrospective analysis of Beijing hospital in 2009-2011 cases of nosocomial infections in 222 cases of gram-positive bacteria infection. Results In this survey of Gram-positive bacterial infections, 83 strains of methicillin-resistant Staphylococcus aureus (MRSA) were detected with a detection rate of 37.39% and the highest detection rate. 118 cases of lower respiratory tract infection (53.15%), the main site of infection for the hospital. Risk factor analysis found that 112 cases of interventional operation patients, accounting for 50.45%. Conclusions The use of antimicrobial agents based on pathogens and drug susceptibility results to enhance disinfection and respiratory tract care and reduce unnecessary interventional procedures will help to control Gram-positive bacterial infections in nosocomial infections.