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促红细胞生

 
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lin91957
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PostPosted: Thu 22:27, 10 Mar 2011    Post subject: 促红细胞生

促红细胞生成素与肾缺血再灌注损伤
.17.SelaS,Shurtz—SwirskiR,SharonR,eta1.Nephron,2001,88(3):205—210.18.DaemenMA,VantVeerC,DeneckerG,eta1.JClinInvest,1999,104:54l一549.19.MadamanchiNR,LiS,PattersonC,eta1.A~erioselerThrombVascBiol,2001.21:321—326.20.VeseyDA,CheungC,PatB,ela1.NephwlDialTransplant,2004,19(2):348—355.21.LinF,CordesK,LiL,ela1.JAmSocNephrol,2003,14:1188—1199.22.GongH,WangW,KwonTH,e1.a1.KidneyInt,2004,66(2):683—95.23.NimeshSAP,EdwardJS,SalvatoreC,ela1.KidneyInt,2004,66(3):983—989.24.PrassK,ScharffA,RuscherK,ela1.Stroke,2003,34(Cool:1981一l986.25.BahlmannFH,DeGrootK,DuekenT,eta1.KidneyInt,2003,64(5):l648一l652.终末期肾病患者的钙化异常与心血管疾病魏芳综述姜埃利审校【摘要】终末期肾病患者较正常人有很高的患病率和病死率,其中~lllt管疾病占死亡原因的首位,而心血管系统的普遍钙化是高死亡率的重要因素。本文就钙化异常在ESRD患者心血管疾病中的作用作一综述。【关键词】终末期肾病;~lllt管疾病;钙化异常在终末期肾病(EndStageRenalDisease,ESRD)患者中心血管疾病(CardioVascularDisease,CVD)占死亡原因的首位,而心血管系统的普遍钙化是CVD高死亡率的重要因素…。尿毒症患者的心血管疾病是由多种危险因素造成的,除传统的危险因素年龄、家族史、高血压、吸烟、糖尿病、脂质代谢异常、肥胖和运动量下降外,还包括许多尿毒症相关的因素如容量过负荷、贫血、钙磷代谢紊乱、慢性炎症、高分解代谢和代谢产物的蓄积如AGEs、ADMA、同型半胱氨酸等’。本文就钙化异常在终末期肾病患者心血管疾病中的作用作一综述。1钙化异常机制正常情况下,组织钙化发生在骨骼和牙齿。当细胞外液的钙磷浓度增高时,机体通过一系列调节和抑制作者单位:30021l,天津医科大学第二医院血液净化中心机制阻止钙化的发生,其中包括各种抑制因子和内分泌机制。抑制蛋白因子包括基质GLA蛋白和细胞蛋白,通过增加细胞外抑制钙化的焦磷酸盐发挥作用。当这些调节与抑制机制不平衡时,便会出现钙化异常,如异位钙化和钙化防御,而异位钙化更常见。尿毒症性异位钙化的定义为:慢性肾功能不全时出现软组织的异常钙化和血钙、血磷、钙磷乘积及PTH代谢异常。有研究报道:基因缺陷也可导致钙化异常,如在缺乏基质GLA糖蛋白小鼠中,会出现动脉和软骨的致命性钙化;在缺乏骨桥素(osteopontin,OPN)的小鼠中,会加重基质GLA糖蛋白的缺陷;Ank和Npps基因突变的小鼠会分别出现关节软骨和脊髓韧带的钙化。此外,在骨骼以外发生成骨信号时也会出现钙化异常。人类钙化异常的出现常与其它原发病同时并存,如动脉粥样硬化、癌症或慢性肾衰竭等。有报道指出,肾衰竭患者有近一半钙磷乘积在正常范围,提示钙化异常不只与钙磷乘积异常有关。Raggi等发现,血液透析患者冠状动脉和主动脉的
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