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家兔急性失血性休克对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氨基末端脑钠肽前体(NT—proBNP)浓度的影响。方法选择30只家兔,随机分为实验组(急性失血性休克组)和对照组,每组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(10ml/min)至50ml注射器内,使平均动脉压(MAP)从正常下降至5.33—6.66kPa,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以造成失血性休克模型,整个实验从置管成功开始90min结束。对照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),置管后10rain(T2)、20min(T3)、30min(T4)、50min(T5)、70rain(T6)、90min(1_7)各时间点采集5rnJ静脉血栓测血红蛋白,血浆NT—proBNP。结果2组他至T6时间点NT—proBNP浓度逐渐上升,与Tl比较,T5、T6时间点NT—proBNP显著升高,差异有统计学意义(P〈0.05)。结论失血性休克可使NT.proBNP分泌增加,合并出血性休克的患者将血浆NT—pro—BNP作为心力衰竭的诊断和预后指标,应联合心脏彩超、心肌损伤标志物等综合分析判断。
出处 《河北医药》 CAS 2013年第23期3542-3543,共2页 Hebei Medical Journal
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