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2015—2021年CHINET儿童患者临床分离不发酵糖革兰阴性杆菌耐药性变迁

Changing antibiotic resistance profiles of non-fermentative gram negative bacilli isolated from children in hospitals across China: results from the CHINET Antimicrobial Resistance Surveillance Program, 2015-2021

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【作者】 董方吕志勇杨溪杨洋胡付品朱德妹徐英春张小江张朝霞季萍谢轶康梅王传清王爱敏徐元宏黄颖孙自镛陈中举倪语星孙景勇褚云卓田素飞胡志东李金俞云松林洁单斌杜艳郭素芳魏莲花邹凤梅张泓王春胡云建艾效曼卓超苏丹虹郭大文赵金英喻华黄湘宁刘文恩李艳明金炎邵春红徐雪松鄢超王山梅楚亚菲张利侠马娟周树平周艳朱镭孟晋华胡芳芳沈瀚周万青贾伟李刚吴劲松卢月梅李继红段金菊康建邦马晓波郑燕萍郭如意朱焱陈运生孟青王世富胡雪飞沈继录汪瑞忠房华俞碧霞赵勇龚萍温开镇张贻荣刘江山廖龙凤顾洪芹姜琳贺雯薛顺虹冯佼岳春雷

【Author】 DONG Fang;Lü Zhiyong;YANG Xi;YANG Yang;HU Fupin;ZHU Demei;XU Yingchun;ZHANG Xiaojiang;ZHANG Zhaoxia;JI Ping;XIE Yi;KANG Mei;WANG Chuanqing;WANG Aimin;XU Yuanhong;HUANG Ying;SUN Ziyong;CHENG Zhongju;NI Yuxing;SUN Jingyong;CHU Yunzhuo;TIAN Sufei;HU Zhidong;LI Jin;YU Yunsong;LIN Jie;SHAN Bin;DU yan;GUO Sufang;WEI Lianhua;ZOU Fengmei;ZHANG Hong;WANG Chun;HU Yunjian;AI Xiaoman;ZHUO Chao;SU Danhong;GUO Dawen;ZHAO Jinying;YU Hua;HUANG Xiangning;LIU Wen’en;LI Yanming;JIN Yan;SHAO Chunhong;XU Xuesong;YAN Chao;WANG Shanmei;CHU Yafei;ZHANG Lixia;MA Juan;ZHOU Shuping;ZHOU Yan;ZHU Lei;MENG Jinhua;HU Fangfang;SHEN Han;ZHOU Wanqing;JIA Wei;LI Gang;WU Jinsong;LU Yuemei;LI Jihong;DUAN Jinju;KANG Jianbang;MA Xiaobo;ZHENG Yanping;GUO Ruyi;ZHU Yan;CHEN Yunsheng;MENG Qing;WANG Shifu;HU Xuefei;SHEN Jilu;WANG Ruizhong;FANG Hua;YU Bixia;ZHAO Yong;GONG Ping;WEN Kaizhen;ZHANG Yirong;LIU Jiangshan;LIAO Longfeng;GU Hongqin;JIANG Lin;HE Wen;XUE Shunhong;FENG Jiao;YUE Chunlei;Department of Clinical Laboratory, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health;

【通讯作者】 董方;

【机构】 国家儿童医学中心,首都医科大学附属北京儿童医院复旦大学附属华山医院抗生素研究所北京协和医院新疆医科大学第一附属医院四川大学华西医院复旦大学附属儿科医院安徽医科大学第一附属医院华中科技大学同济医学院附属同济医院上海交通大学医学院附属瑞金医院中国医科大学附属第一医院天津医科大学总医院浙江大学医学院附属邵逸夫医院昆明医科大学第一附属医院内蒙古医科大学附属医院甘肃省人民医院上海交通大学附属儿童医院北京医院广州医科大学附属第一医院哈尔滨医科大学附属第一医院四川省人民医院中南大学湘雅医院山东省立医院吉林大学中日联谊医院河南省人民医院陕西省人民医院江西省儿童医院山西省儿童医院贵州省人民医院南京大学医学院附属鼓楼医院宁夏医科大学总医院深圳市人民医院河北医科大学第二医院山西医科大学第二医院厦门大学附属第一医院福建省泉州市第一医院深圳市儿童医院山东大学齐鲁儿童医院南昌大学第一附属医院安徽医科大学第四附属医院上海市浦东新区人民医院浙江省宁波市镇海龙赛医院湖北省秭归县人民医院福建省晋江市医院甘肃省金昌市中西医结合医院江西省赣县区人民医院山东省广饶县人民医院河南省辉县市人民医院辽宁省营口市经济技术开发区中心医院青海省互助县人民医院四川省邻水县人民医院吉林省九台区人民医院

【摘要】 目的 了解CHINET中国细菌耐药性监测网儿童患者临床分离的不发酵糖革兰阴性杆菌的分布和耐药性变迁。方法按CHINET耐药监测统一方案使用纸片扩散法或商品化药敏试验自动测试仪进行药敏试验。按CLSI 2021年版标准判断结果。结果 临床分离不发酵糖革兰阴性杆菌26 987株中,主要以假单胞菌属和不动杆菌属细菌为主,其他各菌属均有不等检出。下呼吸道标本占51.1%,居于首位,脓液及伤口分泌物占16.5%,尿液标本占9.2%。这些菌株主要分离于内科病房(38.1%)、儿科ICU(26.8%)和外科病房(18.9%)。铜绿假单胞菌对氨曲南耐药率最高,为22.7%,对碳青霉烯类抗生素耐药率为15.6%,对其他抗菌药物耐药率均低于10%。碳青霉烯类耐药鲍曼不动杆菌检出率54.1%,明显高于铜绿假单胞菌的15.6%,2020年和2021年出现下降趋势。碳青霉烯类耐药铜绿假单胞菌在新生儿期患儿的检出率(34.7%)高于其他患儿;碳青霉烯类耐药鲍曼不动杆菌随患儿年龄增长检出率逐渐增高(39.9%~65.4%)。结论 儿童分离铜绿假单胞菌和鲍曼不动杆菌对各种抗菌药物的耐药率呈锯齿形变化,对大多抗菌药物的耐药率有下降趋势。不同年龄段患儿中碳青霉烯类耐药菌株的检出率不同。不发酵糖革兰阴性杆菌的分布特征和不同菌属菌株的耐药特征存在差异。因此,在儿科对此类菌进行耐药监测十分必要。

【Abstract】 Objective To understand the distribution and changing antibiotic resistance profiles of non-fermentative gram negative bacilli(NF-GNB) isolated from children in the hospitals participating in the CHINET Antimicrobial Resistance Surveillance Program. Methods Antimicrobial susceptibility testing was carried out according to the unified protocol using Kirby-Bauer method or automated systems. The data were analyzed according to the Clinical & Laboratory Standards Institute(CLSI) 2021 breakpoints.Results Overall, 26 987 NF-GNB strains were isolated from children from 2015 to 2021. Pseudomonas spp. and Acinetobacter spp. were the top two genera. The top three sources of the isolates were lower respiratory tract(51.1%), pus and wound secretion(16.5%), and urine samples(9.2%). The clinical setting of the strains mainly included internal medicine wards(38.1%), pediatric intensive care units(26.8%), and surgical wards(18.9%). Pseudomonas aeruginosa showed the highest resistance rate to aztreonam(22.7%), followed by carbapenems(15.6%), and other antibiotics(<10%). The prevalence of carbapenem-resistant Acinetobacter baumannii(CRAB) was 54.1%, significantly higher than the prevalence of carbapenem-resistant P. aeruginosa(CRPA)(15.6%). The prevalence of CRPA showed a downward trend in 2020 and 2021. The prevalence of CRPA in the isolates from neonates was higher(34.7%) than the prevalence in other age groups. The prevalence of CRAB gradually increased with age, up to the highest level in the isolates from adolescents(39.9% to 65.4%). Conclusions The P. aeruginosa and A. baumannii strains isolated from children showed changing patterns of antimicrobial resistance rates from 2015 to 2021. The resistance rate was decreasing over time for most antimicrobial agents tested. The prevalence of carbapenem-resistant organisms varied with the age of children. The NF-GNB species showed different distribution and resistance profiles. Ongoing surveillance of antimicrobial resistance is necessary for pediatric patients.

【基金】 CHINET中国细菌耐药监测网基金(2020QD049);北京市自然科学基金-海淀原始创新联合基金项目(L202004)
  • 【文献出处】 中国感染与化疗杂志 ,Chinese Journal of Infection and Chemotherapy , 编辑部邮箱 ,2024年02期
  • 【分类号】R446.5
  • 【下载频次】17
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