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替米沙坦逆转双肾一夹型高血压大鼠血管重塑的组织形态学改变

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摘要 目的:探讨双肾一夹(2K1C)型高血压大鼠血管重塑的组织形态学改变及血管紧张素Ⅱ受体1(AT1R)阻断剂替米沙坦(telmisartan)对2K1C型高血压大鼠血管重塑的逆转作用。方法:将成年雄性wistar大鼠随机分成模型组、对照组、替米沙坦组,均在术后每周测血压,8周后处死大鼠,取胸主动脉与颈总动脉行组织形态学观察。结果:模型组血压较对照组血压明显升高(P<0.01);模型组颈总动脉与胸主动脉管壁增厚,中膜厚度/内径比值较对照组明显增加,同时中膜细胞层数较对照组增多(P<0.05);治疗8周后,替米沙坦组血压明显降低(P<0.01),动脉管壁变薄,颈总动脉与胸主动脉中膜厚度/内径分别较模型组明显减少(P<0.01),二者中膜细胞层数较模型组减少(P<0.01)。结论:在2K1C高血压大鼠模型中,wistar大鼠血压的升高导致了血管重塑;替米沙坦能够逆转血管重塑。
出处 《包头医学院学报》 CAS 2010年第5期5-6,共2页 Journal of Baotou Medical College
基金 内蒙古自然基金(2009MS1160)
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