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家兔急性失血性休克对血清氨基末端脑钠肽前体浓度的影响

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摘要 目的探讨家兔急性失血性休克对血清氨基末端脑钠肽前体(N-terminal pro-B—typenatriureticpeptide,NT—proBNP)浓度的影响。方法选择30只家兔,随机分为实验组和对照组各15只。所有家兔麻醉后行股动脉和股静脉插管,实验组于置管成功后开始按20mL/kg总量快速放血(10mlMmin)至50mL注射器内,使平均动脉压(mean artery pressure,MAP)从正常下降至40~50mmHg,并同时调节注射器内血容量和输入液体使MAP连续维持在这一范围建立失血性休克模型,整个实验从置管成功开始到90min结束。C组仅给予麻醉和动静脉置管处理。分别于家兔置管成功后即刻(T1)和置管后10min(T2)、20min(T3)、30min(T4)、50min(T5)、70min(T6)、90min(T7)各时点采集5mL静脉血检测血红蛋白(haemoglobin,Hb)、血清NT—proBNP。结果2组在T2~T6时点NT—proBNP浓度逐渐上升,与T1比较,T5、T6时间点NT—proBNP显著升高,差异有统计学意义(P〈0.05)。结论失血性休克会导致家兔血清NT—proBNP分泌增加,为该指标的临床应用提供理论依据。
出处 《河北医科大学学报》 CAS 2014年第1期88-90,共3页 Journal of Hebei Medical University
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