血压昼夜节律与肾动脉阻力指数相关性研究

Prevention and Treatment of Cardio-Cerebral-Vascular Disease(2012)

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Abstract
目的 探讨血压昼夜节律与肾动脉阻力的相关性.方法 根据24小时动态血压(ABPM)监测结果将入选病例分为杓形组(20例)和非杓形组(35例),检测空腹血糖、血脂和肌酐.应用彩色多普勒超声肾血流测定法测定两组患者左、右侧主肾动脉(MRA)、叶段动脉(SRA)的收缩期峰速度(Vs)、舒张期末血流速度(Vd),计算阻力指数(RI).结果 非杓形血压组患者肾动脉阻力指数高于杓形血压组,差异有统计学意义(P<0.05).肾动脉平均阻力指数与夜间血压下降率呈负相关(r=-0.27,P<0.05).结论 肾动脉阻力指数与血压昼夜节律密切相关,非杓形血压可能更易引起肾动脉阻力增加.
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Key words
Resistive index,Blood pressure circadian rhythm,Renal arterial
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