慢性肾脏病患者动脉硬化相关因素分析

被引:0
作者
马忠超
机构
[1] 青岛大学
关键词
慢性肾脏病; 动脉粥样硬化; 氧化应激; 微炎症状态;
D O I
暂无
年度学位
2010
学位类型
硕士
导师
摘要
目的探讨糖尿病肾脏疾病患者颈动脉硬化程度及其相关影响因素。 方法选择糖尿病肾脏疾病(DKD)患者90例,按慢性肾脏病(CKD)分期,分为CKD1-2期、3-4期、5期未透析患者各20例,HD和PD患者各15例(诊断及分期按K/DOQI指南2003版标准);另选健康成年人13例作为正常对照组。测定血清丙二醛(MDA)、超氧化物歧化酶(SOD)、髓过氧化物酶(MPO)、白介素-1β(IL-1β)、白介素-Ⅰ(IL-6)、氧化低密度脂蛋白(ox-LDL)。应用彩色B型超声仪测量计算双侧颈总动脉内膜-中层厚度(CCA-IMT)、粥样斑块、弹性指数(Ep)、僵硬指数(SI)。同时记录所有研究对象的临床及生化指标。 结果CKD各期组患者的GLU、TG、LDL-C、LP(a)、SUA、PTH, SBP、PP、MPO, MDA、SOD、ox-LDL、IL-6、CRP水平高于正常对照组(P<0.05或P<0.001);CKD5期组P、Ca×P水平高于正常对照组(P<0.05或P<0.001);CKD各期组患者的HB、ALB、TBIL水平低于正常对照组(P<0.05或P<0.001);HD组ALB、PA、MPO水平高于PD组(P<0.05或P<0.001)。CKD各期组患者的斑块发生率、CCA-IMT、Ep、SI高于正常对照组(P<0.01或P<0.001)。相关性分析表明CCA-IMT、Ep、SI各自分别与PTH、SBP、PP、TG、LP(a)、MDA、SOD、MPO、ox-LDL、IL-6、CRP呈正相关(P<0.05或P<0.001),与HB、ALB、TBIL呈负相关(P<0.05或P<0.001),与PA、Ca、P、Ca×P、GLU、DBP、HDL-C、IL-1β无明显相关(P>0.05)。 结论1.高血糖、高血压、脂代谢紊乱、高尿酸血症、低胆红素血症、贫血、营养不良、钙磷代谢紊乱、PHT升高、氧化应激、炎性因子贯穿于CKD发展的全过程,并随着肾功能的减退而逐渐增强。2. CKD患者斑块发生率、CCA-IMT、Ep、SI随肾功能的减退而逐渐增加。3.除了传统的心血管危险因素高血糖、高血脂、高血压外,非传统危险因素高尿酸血症、总胆红素降低、贫血、营养不良、钙磷代谢紊乱、PHT升高、氧化应激和炎性因子相互促进,共同促进了As的形成和进展。4. HD患者氧化应激指标MPO高于PD患者,两组比较,As发生率及炎性因子水平无显著差异。5. CKD患者随肾功能逐渐减退,氧化应激增加,抗氧化能力亦相应增强。
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