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附子汤对慢性心力衰竭大鼠心室重构及肾素血管紧张素醛固酮系统的影响 被引量:22

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摘要 目的:研究附子汤对慢性心力衰竭大鼠心功能、心室重构及肾素血管紧张素醛固酮系统的影响。方法:将90只SD大鼠随机分为假手术组15只和模型组75只,采用腹主动脉缩窄法制作心力衰竭大鼠模型,8周后将存活的60只模型组大鼠随机分为模型组,附子汤高、中、低剂量组,卡托普利组,每组各12只,各组分别予相应的药物灌胃,假手术组和模型组以等量蒸馏水灌胃,每天1次,连续8周。观察超声心动图、心室重构指标、肾素(PRA)、血管紧张素Ⅱ(AngⅡ)、醛固酮(ALD)变化。结果:与假手术组比较,模型组左室舒张末内径(LVEDD)、左室收缩末内径(LVESD)升高,左心室射血分数(LVEF)、每博输出量(SV)降低,差异有显著性意义(P<0.05),提示造模成功。与模型组比较,附子汤高、中、低剂量组和卡托普利组LVEDD、LVESD降低,LVEF、SV增高,差异有显著性意义(P<0.05),附子汤高、中、低剂量组和卡托普利组各项指标组间比较,差异无显著性意义(P>0.05)。与假手术组比较,模型组CI、LVWI增加,差异有显著性意义(P<0.05),提示发生了心室重构。与模型组比较,附子汤高、中、低剂量组和卡托普利组CI、LVWI降低,差异有显著性意义(P<0.05),附子汤高、中、低剂量组和卡托普利组各项指标组间比较,差异无显著性意义(P>0.05)。与假手术组比较,模型组PRA、AngⅡ、ALD含量增高,差异有显著性意义(P<0.05),提示RAAS系统激活。与模型组比较,附子汤高、中、低剂量组和卡托普利组PRA、AngⅡ、ALD含量降低,差异有显著性意义(P<0.05),附子汤高、中、低剂量组和卡托普利组各项指标组间比较,差异无显著性意义(P>0.05)。结论:附子汤能下调慢性心力衰竭大鼠肾素血管紧张素醛固酮系统活性,改善心室重构和心功能。
作者 李庆
出处 《新中医》 CAS 2015年第1期222-224,共3页 New Chinese Medicine
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参考文献6

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