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《V+N236T变异的乙型肝炎病毒感染者临床特征分析-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、实用肝脏病杂志2014年1月第17卷第1期JPracHepatol,Jan.2014.Vo1.17No.1·37··病毒性肝炎·逆转录酶区A181T/V和A181T/V+N236T变异的乙型肝炎病毒感染者临床特征分析李平,杨志国,张馨,常静霞,高蕾,汪茂荣【摘要】目的比较逆转录酶区A181变异与A181T/V+N236T变异的乙型肝炎病毒感染者临床特征的异同。方法对55例发生rtA181T/V单独变异和34例发生rtA181T厂v+rtN236T联合变异的乙型肝炎病毒感染者既往核苷(酸)类似物治疗情况进行回顾,对耐药时谷丙转氨酶、谷草转氨酶、HBVM、HBVDNA等指标进行检测,并根据耐药测序
2、结果确定病毒的基因型。结果阿德福韦单药治疗患者发生A181T/V+N236T变异较A181T/V变异的比例高(57.6%对42.4%,P<0.05),而拉米夫定换用(或加用)阿德福韦治疗患者发生A181T/V变异较A181T/V+N236T变异的比例高(75.5%对24.5%,P<0.05);在89例患者中B基因型和c基因型分别是l4例和75例,不同变异在B或c基因型中的分布无统计学差异;A181T/V变异与A181T/V+N236T变异相比,两组患者的年龄、性别构成、谷丙转氨酶、谷草转氨酶、HBVDNA、HBsAg定量、HBeAg状态等指标均无统计学差异。结论不同的核苷(酸)类似物治疗可导致
3、A181T/V变异和A181T/V+N236T变异模式的差异,但这两种变异感染者临床指标无明显差异。【关键词】乙型肝炎;乙型肝炎病毒逆转录酶区;核苷类耐药;变异DOI:10.3969~.issn.1672-5069.2014.01.011ClinicalcharacteristicsofpatientswithA181T/VmutationorA181T/V+N236TmutationinhepatitisBvirusreversetranscriptaseregionafternucleosidetreatmentLing,y帆g啪,。Xin,et.CenterrLiverDiseaseRe
4、search,81stHospitalofPLA,Nanjing210002,China【Abstract】ObjectiveTocomparetheclinicalfeaturesbetweenpatientsinfectedwithhepatitisBvirus(HBV)presentingA181T/VmutationorA181T/V+N236TmutationinHBVreversetranscriptaseregionafternucle—osidetreatment.MethodsFifty-fivepatientswithrtA181T/Vmutationand34patien
5、tswithnA181r/V+ItN23∈
6、TmutationwereenroHedinthisstudy.Theiradministrationofnucleosideanalogueswasreviewed;SerumALT.AST,HBVMandHBVDNAweredetected;HBVgenotypesweredeterminedbyDNAsequencing.ResultsInadefovirtreatmentgroup,theA181T/V+N236TmutationwasmorecommonthanrtA181T/Vmutation(57.6%VS.42.4%,P<0.05),
7、whiletheoccurrenceof~A181T/VmutationwashigherthanA181T/V+N236Tmutationinpatientsre—ceivinglamivudinetreatment(75.5%VS.24.5%,P<0.05);Inthetotal89patientsinourseries,therewere14caseswithgenotypesBand75caseswithgenotypeCofHBVinfection,andtherewasnosignificantdifferenceinthedistributionofmutationsbetwee
8、npatientswitheitherofthetwogenotypeinfection;Therewerenostatisticaldif-fereneesasrespecttoage,gender,ALT,AST,HBVDNA,HBsAgtitersandHBeAgstatusbetweenthetwogroupsofpatientswithdifferentmutations.Conclus
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