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高血压病患者日间收缩压变异性与靶器官损害相关性研究 被引量:4

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摘要 目的探讨高血压病患者日间血压变异性与靶器官损害的关系。方法180例初诊高血压病患者,根据日问收缩压变异性第50百分位数(P50)〉13将受试者分为血压变异性高组(90例)和血压变异性低组(90例)。比较2组患者的血清Cr、TC、HDL-C、TG和尿微量白蛋白(MA);年龄、性别、TG和血压各变量与颈动脉内一中膜厚度(IMT)、左心室重量指数(LVMI)的关系采用线性回归分析。结果血压变异性低组患者年龄、日间收缩压变异性、夜间收缩压变异、IMT、左心室重量指数明显低于血压变异性高组[(51±2)岁比(55±2)岁、(104-2)mmHg比(16±4)mmHg(1mmHg=0.133kPa)、(9±2)mmHg比(13±4)mmHg、(0.65±0.20)m比(0.72±0.20)m、(92±15)g/m。比(101±20)g/m^2,均P〈0.01]。多变量分析证明年龄(P=0.0001)、日间收缩压(P=0.001)、日问收缩压变异性(P=0.015)和舒张压负荷(P=0.01)为内膜中层厚度的独立预测因子;年龄(P=0.0001)、男性(P=0.012)、日间收缩压(P=0.0001)和舒张压(P=0.035)和日间收缩压变异性(P=0.028)为左心室重量指数的独立预测因子;日间收缩压变异性和舒张压负荷为MA的独立预测因子。结论日间收缩压变异性与亚临床靶器官损坏存在相关性且独立于平均血压水平,这种存在于初诊高血压病人群中的关联,可能较早出现在高血压的自然病程中。
出处 《中国医药》 2012年第7期819-820,共2页 China Medicine
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