氨基末端脑钠肽前体预测血液透析患者透析中低血压的发生

被引:5
作者
余金波
邹建洲
刘中华
沈波
徐少伟
吕文律
滕杰
丁小强
机构
[1] 复旦大学附属中山医院肾内科
关键词
利钠肽; 脑; 血液透析; 低血压; 氨基末端脑钠肽前体;
D O I
暂无
中图分类号
R459.5 [透析疗法];
学科分类号
100215 ;
摘要
目的研究维持性血液透析(MHD)患者透析中低血压(IDH)发生的危险因素,分析血氨基末端脑钠肽前体(NT-proBNP)水平与IDH发病的关系,为防治提供依据。方法收集2009年3月至5月我院肾内科血液净化中心202例MHD患者资料,根据3个月内每次血透中血压下降情况,分为无透析中低血压组(no-IDH)、透析中低血压偶发组(o-IDH)和透析中低血压频发组(f-IDH)。IDH指透析中收缩压下降≥20 mm Hg,或平均动脉压降低≥10 mm Hg并有低血压症状或需要干预措施。3个月透析过程中发生IDH频率<1/10为no-IDH,≥1/10但≤1/3为o-IDH,>1/3为f-IDH。应用多因素Logistic回归分析各指标与IDH发生相关性。血NT-proBNP诊断效能用受试者工作特征(ROC)曲线下面积(AUC)评价。结果 202例MHD患者中男108例(53.5%),女94例(46.5%),年龄20~80(55.85±14.48)岁。原发病分别为肾小球肾炎133例(65.8%)、糖尿病肾病20例(9.9%)、高血压肾病17例(8.4%)。IDH发病率42.1%,其中o-IDH 27.2%,f-IDH 14.9%。多因素Logistic回归分析显示年龄、性别、超滤率、血NT-proBNP、血浆白蛋白、主动脉根部内径等与IDH发生密切相关(均P<0.05)。血NT-proBNP水平与透析初始血压及透析中血压下降值均呈正相关(P<0.05)。以血NT-proBNP水平判断MHD患者发生IDH的AUC为0.76(95%CI 0.69~0.83,P<0.01);以NT-proBNP 1746.5 ng/L作为界值的灵敏度为88.61%,特异度为51.10%。判断MHD患者频发IDH的AUC为0.65(95%CI 0.53~0.76,P<0.05),以NT-proBNP 8208.0 ng/L作为界值的灵敏度为33.33%,特异度为91.30%。结论高龄、女性、高超滤率、高血NT-proBNP水平、低血浆白蛋白、主动脉根部内径短是MHD患者发生IDH的主要危险因素。血NT-proBNP可作为IDH发病的预测因子。
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页码:698 / 704
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