第34卷 第2期2019年4月
川北医学院学报(http://noth??cbpt??cnki??net)JOURNALOFNORTHSICHUANMEDICALCOLLEGE
Vol??34?No??2Apr.2019
201
doi:10??3969/j??issn??1005 ̄3697??2019??02.10
??论著??
血液透析患者血管内导管相关血流感染病原菌的流行病学特征及耐药性评估分析
朱其荣1?陈星1?喻雪琴1?陈芳1?戢敏1?李芸2?敬雪明1
(1.川北医学院附属医院四川南充 637000?2.四川大学华西医院四川成都 610041)
【摘要】目的:分析血液透析患者发生血管内导管相关性血流感染(catheterrelatedbloodstreaminfection?CRBSI)病原菌的流行病学特征及耐药情况?方法:收集732例尿毒症患者血液透析的临床资料?并对发生CRBSI的63例患者病原菌的流行病学特征及病原菌的耐药性进行评估分析?结果:732例血液透析患者送血及污染物品的培养样品中分离出病原菌63株?其中?革兰阴性菌34株(53.97%)?革兰阳性菌28株(44.44%)?病原菌构成比列前五位的分别是表皮葡萄球菌10株(15.87%)、肺炎克雷伯菌10株(15.87%)、金黄色葡萄球菌9株(14.29%)、大肠埃希菌9株(14.29%)和铜绿假单胞菌8株80??00%?铜绿假单胞菌对哌拉西林/他唑巴坦、头孢哌酮/舒巴坦和亚胺培南耐药率<25.00%?肺炎克雷伯菌、大肠埃希菌对头孢哌酮/舒巴坦、阿米卡星的耐药率>66.66%?对利福平的耐药率<30.00%?对万古霉素、利奈唑胺和替加环素对全部敏感?对血液透析患者发生CRBSI的单因素分析发现?血液透析患者年龄、导管留置时间与模式、白细胞水平、APACHEⅡ(分)、是否合并糖尿病与CRBSI发生率关系密切?其相对应因素比较?差异有统计学意义(P<0.05)?结论:了解血液透析患者发生CRBSI病原菌的流行病学特征及病原菌的耐药情况?有助于指导抗生素在治疗CRBSI中的合理应用?
【关键词】血液透析?导管相关性血流感染?病原菌?流行病学特征?耐药性【中图分类号】R515.9 【文献标志码】A
(12.70%)?革兰阴性菌中?鲍曼不动杆菌耐药率较高?除头孢哌酮/舒巴坦和亚胺培南外?对其它抗菌药物耐药率均>
头孢哌酮/舒巴坦和亚胺培南耐药率<11.11%?革兰阳性菌中?溶血性葡萄球菌、金黄色葡萄球菌、表皮葡萄球菌对青霉素、
Epidemiologicalcharacteristicsofdistributionofpathogenicbacteriaincatheter ̄relatedbloodstreaminfectioninhemodialysispatientsanddrugresistanceevaluationanalysis
ZHUQi ̄rong1?CHENXing1?YUXue ̄qin1?CHENFang1?JIMin1?LIYun2?JINGXue ̄ming1
610041?Sichuan?China)
(1.AffiliatedHospitalofNorthSichuanMedicalCollege?Nanchong637000?2.WestChinaHospitalofSichuanUniversity?Chengdu
【Abstract】Objective:Analysisoftheepidemiologicalcharacteristicsanddrugresistanceofcatheterrelatedbloodstreaminfec ̄
tion(CRBSI)pathogenicbacteriainhemodialysispatients.Methods:Theclinicaldataofhemodialysisof732patientswithuremiawerecollected?andtheepidemiologicalcharacteristicsofpathogenicbacteriaandthedrugresistanceofpathogenicbacteriaof63patientssamplesandcontaminants.Amongthem?34strains(53.97%)wereGram ̄negativebacteriaand28strains(44.44%)wereGram ̄pos ̄pneumoniae(15.87%)?staphylococcusaureus?9strains(14.29%)?e.coli?9strains(14.29%)and8strainspseudomonasaerugi ̄withCRBSIwereevaluatedandanalyzed.Results:63strainsofpathogenicbacteriawereisolatedfrom732hemodialysispatients'blooditivebacteria.Pathogenformthanalistofthetopfivewere10strainsbystaphylococcusepidermidis(15.87%)?10strainsofklebsiellanosa(12.70%).Ingramnegativebacteria?acinetobacterbaumanniiresistantrategenerallyhigher?inadditiontocefoperazone/shubaandimideculturesouth?otherantimicrobialsusceptibilitytestinvitroresistancetocommon>80.00%.Pseudomonasaeruginosawassensitivetopiperacillin/azobactam?cefoperazone/sulbactamandimipenem?withdrugresistancerate<25.00%.Klebsiellapneumoniaeandtigacyclineareallsensitivetothehemolyticstaphylococcus?staphylococcusaureusandstaphylococcusepidermidisinthethreemaingram ̄positivebacteria.Theantimicrobialresistanceratesofpenicillin?cefoperazone/sulbactamandamikacinagainstthreemajor
基金项目:四川省教育厅自然科学科研计划项目(17ZB0174)
作者简介:朱其荣(1982-)?女?硕士?讲师?E ̄mail:zhuzhu19820502@126.com通讯作者:敬雪明?E ̄mail:1124377569@qq.com网络出版时间:2019 ̄05 ̄14 11:27 网络出版地址:http://kns.cnki.net/kcms/detail/51.1254.R.20190514.1126.020.html
andescherichiacoliweresensitivetocefoperazone/sulbactamandimipenem?withdrugresistancerate<11.11%.Vancomycin?linezolid
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