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血清B型钠尿肽与心力衰竭关系的临床观察 被引量:3

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摘要 B型钠尿肽(BNP)又称为脑钠尿肽,主要由心室分泌。BNP源于在心肌细胞内合成的含134个氨基酸的Prepro—BNP,它在切去N端26个氨基酸信号序列后,在血液循环中继续被内肽酶切割为N端含76个线性氨基酸的NT—proBNP和C端含32个环状具有生物活性氨基酸的BNP。正常时只有少量NT—proBNP/BNP分泌入血循环,在血循环中可检测到它的存在。当心脏负荷增加或心室扩大时,心肌细胞受牵拉而触发NT—proBNP/BNP快速合成并释放入血循环。NT—proBNP比BNP半衰期长,更适合临床检测。我们通过测定不同级心力衰竭(心衰)患者血清中的NT—proBNP浓度,探讨NT—proBNP与心衰患者心功能状态的关系,寻找适用于临床的实验室常规检测指标。
出处 《中华老年医学杂志》 CAS CSCD 北大核心 2006年第9期671-672,共2页 Chinese Journal of Geriatrics
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参考文献6

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同被引文献41

  • 1刘军锋,贾克刚,刘运德.B型钠尿肽检测在心血管疾病中的应用[J].国外医学(临床生物化学与检验学分册),2005,26(6):352-354. 被引量:25
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