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1、DNA免疫吸附治疗儿童重症狼疮近期疗效及安全性分析刘颖吴玉斌【摘要】目的探讨DNA免疫吸附治疗儿童重症狼疮的近期临床疗效和安全性。方法2007年4月至2008年7月中国医科大学附属盛京医院小儿肾脏内科对9例重症狼疮患儿采用血液灌流DNA免疫吸附柱对每例进行3次吸附。观察其临床表现,对ANA、ds-DNA等自身抗体的清除效果,对免疫球蛋白、血清补体、24h尿蛋白定量、血常规、肝、肾功能、心肌酶谱、血清离子、血沉的影响。结果DNA免疫吸附后患儿的症状和体征均明显改善:ANA抗体滴度吸附后明显下降[(
2、2515.56±1772.62)及(477.89~272.31),P<0.001];抗ds-DNA抗体被完全清除,其它自身抗体也被清除;免疫球蛋白IgG吸附后下降明显[(14.47±5.07)g/L及(8.53士1.30)g/L,P<0.001];血清补体有上升趋势,24h尿蛋白有下降趋势;对肝、肾功能、心肌酶谱、血清离子、血沉无明显影响,有4例血小板下降。结论DNA免疫吸附疗法能够在短时间内消除重症狼疮患儿体内抗ds-DNA和ANA抗体等免疫物质,使患儿度过免疫风暴导致的危重期,且具有较好的安
3、全性。【关键词】系统性红斑狼疮;血液净化;DNA免疫吸附;儿童中图分类号:R72文献标志码:ATheeffectandsafetyofimmunoadsorptiontherapyforchildrenwithseveresystemiclupuserythematosus.Liuying,Wuyubin.DepartmentofPediatricsShengjinghospitalofChinaMedicalUniversity,Shenyang,Liaoning,110004[Abstrac
4、t]ObjectiveToevaluatethetreatmentofDNAimmunoadsorption(IA)inthechildrenwithseveresystemiclupuserythematosus(SLE).MethodsNinechildrenwithsevereSLEwereselectedandtreatedwithDNAimmunoadsorptionforthreetimesandobservedthechangesofclinicalsymptoms,ANA,ds-
5、DNA,complement,immunoglobulin,theamountofurineprotein,bloodrutinetest,liverandkidneyfunction,cardiacenzymes,electrolyteandESR.ResultsThesymptomsandsignswereamelioratedafterIA.Theamountofds-DNAwascompletelydisappeared.TheamountofANAwasdecreasedsignifi
6、cantly(beforeIA2515.56±1772.62,afterIA477.89±272.31P<0.001).TheamountofIgGwasdecreasedsignificantly(beforeIA14.474±5.07g/l,afterIA8.53±1.30g/lP<0.001).Thecomplementwasincreasedandtheamountofurineproteinwasdecreased.Therewasnoeffectonliverandkidneyfan
7、ction,electrolyte,cardiacenzymes,andESR.Therewerefourcaseswithdecreasedthrombocytes.ConclusionDNAimmunoadsorption(IA)canmakeds-DNAandANAdecreasedsignificantlyinthechildrenwithsevereSLEwithinshorttimeandmakethepatientsremission.Itshowssafetyinchildren
8、.[Keyword]Systemiclupuseryematosus;Bloodpurification;DNAimmunoadsorption;Children系统性红斑狼疮(Systemiclupuserythematosus,SLE)是一较常见的自身免疫性疾病。儿童患SLE往往病情危重,药物治疗难以控制病情进展。DNA免疫吸附(DNAimmunoadsorption,DNA-IA)是近15年发展起来的一种特异性的血液净化方法,运用此技[1]术治疗成人SLE国内已有报道,迄今国内尚无有关儿童