维持性血液透析患者阿司匹林抵抗的发生率及相关因素

被引:6
作者
张春华
崔太根
赵素梅
王世相
张小东
机构
[1] 首都医科大学附属北京朝阳医院泌尿肾病中心
关键词
发病率; 维持性血液透析; 阿司匹林抵抗;
D O I
暂无
中图分类号
R459.5 [透析疗法];
学科分类号
摘要
目的探讨维持性血液透析(MHD)患者阿司匹林抵抗(AR)的发生率及相关影响因素。方法选择首都医科大学附属北京朝阳医院泌尿肾病中心2011年6月1日至30日MHD患者为研究对象。另选取GFR正常且没有肾脏损伤证据的年龄、性别相匹配的150例患者为对照组。调查两组患者的一般情况、生化指标及颈动脉超声。以血栓弹力图(TEG)的花生四烯酸类药物抑制率[MA(AA)]>50%为AR。结果 391例MHD患者高凝比例4.6%(18/391),正常凝血比例73.7%(288/391),低凝比例21.7%(85/391),Pearson相关分析显示391例MHD患者血小板、血红蛋白与反应时间(R值),血栓最大弹力度(MA值)不相关。以高凝和正常凝血状态的306例MHD患者为MHD组,与对照组比较,两组在年龄、性别、吸烟史、糖尿病及高血压比例上差异无统计学意义,MHD组超敏C反应蛋白(hsCRP)、同型半胱氨酸(Hcy)较对照组显著增加,MA值较对照组显著下降(P<0.05),MHD组AR的发生率为48.0%(147/306),显著高于对照组的20.0%(20/110,P=0.00)。将MHD患者按照是否存在AR分为AR组和阿司匹林敏感(AS)组,两组间年龄、性别、糖尿病史、透析龄、心脑血管及外周血管患病比例、内瘘血栓形成比例、颈动脉斑块比例、颈动脉内膜厚度(IMT)、hsCRP、Hcy、空腹血糖(FBG)、R值、MA值差异均有统计学意义(P值均<0.05)。Logistic回归分析显示糖尿病史、年龄、透析龄、Hcy、hsCRP是AR发生的独立危险因素。选择伴有颈动脉斑块形成或颈动脉内膜增厚的MHD患者289例,长期应用小剂量阿司匹林预防急性血管事件,随访(18.02±6.42)个月,未发现明显出血事件,Cox回归显示AR是影响MHD患者急性血管事件发生的主要危险因素[HR=0.40,95%CI(0.29~0.72),P=0.00]。结论 MHD患者血小板活化没有肾功能正常者显著,可依据患者的凝血状态应用小剂量阿司匹林预防急性血管事件。MHD患者AR发生率显著增高,糖尿病史、年龄、透析龄、Hcy、hsCRP是AR发生的独立危险因素。AR是影响伴有颈动脉斑块形成或颈动脉内膜增厚的MHD患者急性血管事件发生的主要危险因素。
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页码:178 / 183
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