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儿童金黄色葡萄球菌血流感染临床特征及耐药分析
Authors
徐卫华
Publication date
1 January 2019
Publisher
Editorial Office of Journal of Sun Yat-sen University
Abstract
【目的】研究儿童金黄色葡萄球菌的血流感染临床特点、易患因素、转归及耐药性,为合理控制及治疗儿童金黄色葡萄球菌血流感染提供依据。【方法】以2016年1月至2018年6月间血培养金黄色葡萄球菌阳性182例,对患儿的科室分布、感染类型、基础疾病、临床特征、抗生素耐药、治疗转归及影响预后的因素等进行分析。【结果】血培养金黄色葡萄球菌阳性182例中,①按科室分:来自新生儿科63例(34.62%)、骨科22例(12.09%)、PICU20例(10.99%)、血液肿瘤科15例(8.24%)、风湿免疫科15例(8.24%)、呼吸科13例(7.14%);②按感染来源:社区感染109例(59.89%)、医院获得性感染73例(40.11%);③有基础疾病者103例(56.59%);④首发症状中最常见的为发热148例(81.76%);⑤耐甲氧西林金黄色葡萄球菌(MRSA)141例(77.47%);⑥金黄色葡萄球菌对青霉素耐药率100%,对氨苄青霉素、红霉素、阿莫西林/克拉维酸、苯唑青霉素、氨苄青霉素/舒巴坦、头孢曲松、克林霉素严重耐药,未发现对万古霉素、利奈唑胺、达托霉素耐药菌株;⑦转归:治愈及好转161例(88.46%),未愈及死亡21例(11.54%);⑧预后的不良因素为严重脓毒血症(χ2=68.633,P=0.000)及机械通气(χ2=67.467,P=0.000)。【结论】【结论】有基础疾病者、新生儿是金黄色葡萄球菌血流感染的易患因素,而严重脓毒血症及机械通气者预后差,MRSA在金黄色葡萄球菌血流感染占很高比例,其中院内感染较社区获得感染比例更高,在重症金黄色葡萄球菌血流感染经验性治疗效果不佳时,应及时调整治疗兼顾MRSA感染
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Last time updated on 15/10/2024