可溶性ST2对慢性心力衰竭患者的诊断价值探讨

被引:51
作者
邸玉青 [1 ]
彭道泉 [2 ]
机构
[1] 中国核工业北京四○一医院心内科
[2] 中南大学湘雅二医院心内科
关键词
可溶性ST2; N末端脑钠肽前体; 心力衰竭;
D O I
暂无
中图分类号
R541.6 [血液循环衰竭];
学科分类号
100201 [内科学];
摘要
目的观察心力衰竭患者血清可溶性ST2(sST2)水平变化,分析其与射血分数、N末端脑钠肽前体(NT-proBNP)等的相关性,探讨sST2在心力衰竭诊断及危险分层中的应用价值。方法入选2009年11月至2010年3月心力衰竭住院患者129例,按纽约心功能分级标准分为心功能Ⅱ级组66例、心功能Ⅲ级组32例、心功能Ⅳ级组31例,并收集患心脏神经症或阵发性室上性心动过速而胸部X线片、心脏彩超和心功能正常的35例作为对照组。采集入选者的临床资料,入院后行心脏彩色超声检查,测定血浆NT-proBNP水平,采用酶联免疫法测定血清sST2浓度。结果血清sST2水平在心功能ⅢⅣ组[1.84(0.93~3.19)ng/ml]显著高于心功能Ⅱ级组[0.94(0.83~1.30)ng/ml,P<0.001]及对照组[0.77(0.69~1.92)ng/ml,P<0.001]。sST2浓度与NT-proBNP(r=0.352)、心功能分级(r=0.456)、左心室舒张末容积(r=0.287)呈正相关(均为P<0.001),与左心室射血分数呈负相关(r=-0.288,P=0.016)。血清sST2诊断心力衰竭的ROC曲线下面积为0.775,NT-proBNP的ROC曲线下面积为0.889,两者联合诊断的ROC曲线下面积为0.926。结论心力衰竭患者血清sST2水平明显升高,升高水平与心力衰竭程度显著相关。sST2有可能作为判断心力衰竭的新生化指标,联合NT-proBNP可能会提高对心力衰竭的诊断价值。sST2或可作为NT-proBNP和超声心动图外的补充手段,对心力衰竭的诊断与鉴别有一定意义。
引用
收藏
页码:334 / 338
页数:5
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