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心脏扩大与血浆氨基末端脑纳肽水平的相关性研究

Journal of Clinical Cardiology(2013)

Cited 1|Views15
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Abstract
目的:探讨心室结构改变与血浆氨基末端脑纳肽(NT-proBNP)水平的相关性。方法:将59例患者按心脏超声检查结果分为单纯右室扩大组(20例)、单纯左室扩大组(19例)及双室扩大组(20例),比较3组的NT-proBNP水平及临床参数特点。结果:与单纯左室扩大组及双室扩大组比较,单纯右室扩大组NT-proBNP水平明显降低[(1 277.94±743.94)pg/ml:(2 177.23±1 544.15)pg/ml,P<0.05;(1 277.94±743.94)pg/ml:(4 099.01±1 560.52)pg/ml,P<0.01]。多因素回归分析发现,肺动脉楔压(PCWP)是NT-proBNP≥2 000pg/ml的独立危险因素(OR=1.32,P<0.01);PCWP为12.5mmHg(1mmHg=0.133kPa)时预测NT-proBNP≥2 000pg/ml的最佳灵敏度为86.4%,最佳特异度为75.6%。结论:单纯右室扩大患者NT-proBNP水平明显低于单纯左室扩大及双室扩大者,PCWP是NT-proBNP≥2 000pg/ml的独立危险因素,NT-proBNP水平可能与左心结构及血流动力学改变关系更密切。
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Key words
heart enlargement,NT-proBNP,dilated cardiomyopathy,pulmonary capillary wedge pressure
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