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丙泊酚对内毒素诱导兔心肌损害的保护作用 被引量:2

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摘要 目的探讨不同剂量丙泊酚对内毒素血症兔心肌损害的保护作用及可能的机制。方法通过连续注射内毒素复制内毒素血症动物模型。新西兰大白兔35只,雌雄不限,随机分为五组;各丙泊酚治疗组均为内毒素注入30min后予不同剂量丙泊酚持续静脉泵入。300min内观察动物的动脉收缩压(SBP),血清肿瘤坏死因子α(TNF-α),实验结束时取血测心肌肌钙蛋白I(cTnI)浓度、心肌丙二醛(MDA)浓度。结果(1)内毒素休克对照组血压呈不可逆下降,而丙泊酚能有效缓解内毒素导致的血压下降。(2)给予内毒素30min后心肌MDA、cTnI显著升高,丙泊酚治疗各组均能不同程度地逆转心肌MDA、cTnI的升高,降低血清TNF-α水平。结论早期、适量的丙泊酚对内毒素诱导的心肌损害可以起到一定的保护作用。其机制可能与丙泊酚抑制TNF-α生成、抑制体内脂质过氧化有关。
出处 《临床麻醉学杂志》 CAS CSCD 2006年第12期935-936,共2页 Journal of Clinical Anesthesiology
基金 南京医科大学科技发展基金(NY03028 NY03039)
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参考文献6

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