成都地区2001-2006年儿童感染性疾病常见病原菌变迁及耐药分析  被引量:7

Analysis on variance of common pathogenic bacteria and drug resistance in children in Chengdu area from 2001 to 2006

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作  者:张砺[1] 王晓蕾[2] 黄成[1] 沈伟[1] 梁勤军[1] 李学春[1] 谢永琼[1] 邓克芬[1] 李晋蜀[1] 吴娟[1] 

机构地区:[1]成都市儿童医院检验科,610017 [2]成都市儿童医院重症监护病房,610017

出  处:《中华儿科杂志》2007年第12期927-931,共5页Chinese Journal of Pediatrics

基  金:2005年度四川省学术和技术带头人培养资金(重点项目)资助课题(2005-1)

摘  要:目的探讨成都地区小儿感染性疾病常见病原菌分布及耐药趋势变化规律。方法对成都市儿童医院2001-2006年住院患儿所分离的2888株病原菌进行分析,试验方法严格按照美国国家临床试验室标准委员会(NCCLS)最新标准进行。结果 (1)2001-2006年分离株中格兰阴性菌占优势(1845株,63.9%),排列在前8位的儿科常见病原菌依次为大肠埃希菌、嗜血杆菌属、肺炎链球菌、肺炎克雷伯菌、金黄色葡萄球菌、表皮葡萄球菌、铜绿假单胞菌和其他非发酵菌。(2)血培养常见病原菌158株,依次为表皮葡萄球菌、大肠埃希菌、肺炎克雷伯菌、金黄色葡萄球菌、其他非发酵菌、肺炎链球菌和铜绿假单胞菌。(3)痰培养常见病原菌2018株,依次为大肠埃希菌、嗜血杆菌属、肺炎链球菌、肺炎克雷伯菌、金黄色葡萄球菌、表皮葡萄球菌、铜绿假单胞菌、其他非发酵菌。(4)泌尿系统病原菌120株,以大肠埃希菌为主,其他依次为肺炎克雷伯菌、其他非发酵菌、铜绿假单胞菌、表皮葡萄球菌。(5)脓培养病原菌497株,依次为大肠埃希菌、金黄色葡萄球菌、表皮葡萄球菌、嗜血杆菌属、其他非发酵菌、肺炎克雷伯菌、肺炎链球菌、铜绿假单胞菌。(6)各种体液(包括胸、腹腔液体和局部穿刺液等)病原菌85株,依次为肺炎克雷伯菌、铜绿假单胞菌、大肠埃希菌、金黄色葡萄球菌、肺炎链球菌和其他非发酵菌。2001-2003年与2004-2006年相比,病原菌排序发生变化,病原菌总体耐药情况呈上升趋势。2001-2003年和2004-2006年耐甲氧西林金黄色葡萄球菌(MRSA)检出率分别为6.7%、17.2%;耐甲氧西林凝固酶阴性的葡萄球菌(MRCNS)菌株检出率分别为20%、70.2%;大肠埃希菌和肺炎克雷伯菌的超广谱β内酰胺酶(ESBL_s+)菌株合计检出率分别为21.8%、43.8%;流感嗜血杆菌产β内酰胺酶率分别为19.4%、39.7%。结论近3年成都地区儿科常见致病菌分Objective To investigate the variance and drug resistance of pathogenic bacteria isolated from children with infectious diseases seen between 2001 and 2006 in Chengdu area. Methods A total of 2888 pathogenic bacterial strains isolated from children in Chengdu Children's Hospital from 2001 to 2006 were analyzed. Tests were performed according to the guidelines of National Committee for Clinical Laboratory Standards (NCCLS) of the United States. Result ( 1 ) Of the 2888 strains, 1845 (63.9%) were Gram negative bacteria. The main pathogenic bacteria included Escherichia coli (Ec, 718 strain, 24.9% ), Hemophilus ( H, 476 strain, 16.5% ), Streptococcus pneumoniae ( Sp, 412 strain, 14.3% ), Klebsiella pneurnoniae (Kp, 369 strain, 12.8%), Staphylococcus aureus (Sa, 353 strain, 12.2%), Staphylococcus epidermidis (Se,278 strain, 9. 6% ) , Pseudomonas aeruginosa (Pa,146 strain, 5.1% ) and other non-zvmocvte (Onz,136 strain, 4.7% ). (2) The common pathogens found in blood specimen were158 strain, which included Se (78 strain, 49. 4% ), Ec (23 strain, 14. 6% ), Kp (17 strain,10. 8% ), Sa (14 strain,8.9%), Onz (14 strain,8.9%), Sp (7 strain,4.4%) and Pa (5 strain,3.2%). (3) The number of common pathogens isolated from patients with lower respiratory tract infection was 2018, including Ec (441 strains, 21.9%), H (430 strains, 21.3%), Sp (368 strains, 18.2%), Kp (253 strains, 12.5%), Sa (207 strains, 10.3%), Se (149 strains,7.3%), Pa (97 strains, 4.8%) and Onz (73 strains, 3.6% ). (4) There were 120 strains of common pathogens isolated from urine specimens, including Ee (78 strains, 65% ), Kp (25 strains, 20.8% ), Onz (7 strains, 5.8% ), Pa (5 strains, 4.2% ) and Se (5 strains, 4. 2% ). (5) There were 497 strains of common pathogens found in pus specimens, including Ec 167 strains, (33.6%), Sa ( 126 strains, 25.4% ), Se (46 strains, 9. 3% ), H (44 strains, 8.9% ), Onz (3

关 键 词:儿童 细菌感染 抗菌药 抗药性 细菌 

分 类 号:R725.1[医药卫生—儿科]

 

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