ASH 2014:探寻高血压患者中脉搏波速度与HDL-C的相关性

2014-05-21 国际循环 国际循环

既往研究表明,脉搏波速度(PWV)所测得的动脉僵硬度增加是心血管疾病的独立预测因素,高密度脂蛋白胆固醇(HDL-C)水平降低可增加冠状动脉疾病发生风险。中国一项研究旨在探讨高血压患者中PWV与HDL-C的相关性。 研究者Hongyu Wang等人共计入选542例受试者(男/女:336/206,平均年龄为50.17±12.32岁),将其分为对照组(n=402,男/女:234/168,平均年龄为48

既往研究表明,脉搏波速度(PWV)所测得的动脉僵硬度增加是心血管疾病的独立预测因素,高密度脂蛋白胆固醇(HDL-C)水平降低可增加冠状动脉疾病发生风险。中国一项研究旨在探讨高血压患者中PWV与HDL-C的相关性。

研究者Hongyu Wang等人共计入选542例受试者(男/女:336/206,平均年龄为50.17±12.32岁),将其分为对照组(n=402,男/女:234/168,平均年龄为48.20±12.20岁)和高血压组(n=140,男/女:103/37,平均年龄为55.84±10.83岁),采用自动PWV 分析仪(Complior)测量PWV。结果显示,与对照组相比,高血压组的PWV、收缩压、舒张压、平均动脉压(MAP)、甘油三酯(TG)及血糖均显著增高(P均<0.001),HDL-C显著降低(1.23±0.35 mmol/L vs. 1.40±0.39mmol/L,P<0.001),总胆固醇(TC)及低密度脂蛋白胆固醇(LDL-C)则无差异(P均>0.05)。进一步的分析发现,在整个研究人群中,PWV与TC及TG呈正相关[r分别为0.106(P=0.014)和0.228(P<0.001)];与HDL-C呈负相关(r=-0.195,P<0.001),校正年龄、性别及MAP后仍是如此(r=-0.153,P=0.001)。在对照组中,PWV与HDL-C呈负相关(r=-0.137,P=0.006);在高血压组中,尽管PWV与HDL-C有负相关趋势,但未达显著统计学差异(r=-0.141,P=0.094)。多元线性回归分析结果显示,在整个研究人群及高血压组中,HDL-C均与PWV具有独立相关性[β分别为-0.112(P=0.006)和-0.189(P=0.014)]。

综上可见,高血压患者存在与动脉僵硬度相关的代谢紊乱,HDL-C显著降低,失去了血管保护效应。




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    2014-05-23 kksonne
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    2014-05-23 ZGMFX24A
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