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不同脂质指标预测男女人群冠心病的临床作用

Clinical Utility of Different Lipid Measures for Coronary Heart Disease in Men and Women
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摘要 背景:对于载脂蛋白与传统脂质测量指标预测冠心病(coronaryheartdisease,CHD)危险的性能,目前有关证据尚有矛盾。 目的:采用鉴别和标准化特征(discrimination and calibration characteristics)以及危险再分类对不同脂质测量指标预测CHD的性能进行比较;评估载脂蛋白预测CHD的效果是否优于传统的脂质指标。设计、地点及参试者:以人群为基础的前瞻性队列来自FraminghaiR,Massachusetts。我们评估了血清总胆固醇、高密度脂蛋白胆固醇(HDL-C)、低密度脂蛋白胆固醇(LDL-C)、non-HDL-C、载脂蛋白(apo)A-I和apoB以及三种脂质比值(总胆固醇:HDL-C,LDL-c:HDL-C以及apoB:apoA-I)。332例中年白人参试者均参加了第4次后代检查(1987~1991年),没有心血管病。53%的参试者为女性。主要观测指标:首次CHD事件(已确诊或未确诊之心肌梗死、心绞痛、冠状动脉不全或冠心病死亡)。结果:在中位随访15年后,291例参试者(198例男性)发生CHD。在校正非脂质危险因素的多变量模型中,apoB:apoA-I比值可预测CHD(在男性每增加1个sD的风险比[hazardratio,HR],1.39;95%可信区间[CI],1.23~1.58。女性HR,1.40;95%,CI,1.16~1.67),但是其危险比与总胆固醇:HDL—C(男性HR,1.39;95%CI,1.22~1.58。女性HR,1.39;95%CI,1.17~1.66)、LDL—C:HDL—C(男性HR,1.35;95%CI,1.18~1.54。女性HR,1.36;95%CI,1.14~1.63)相似。在男性及女性,使用apoB:apoA—I比值的模型证实其操作特征与其他脂质相似但不优于其他脂质比值。apoB::apoA—I比值在包含所有Framinghan危险评分因子的模型,包括总胆固醇:HDL—C(男性、P=0.12;女性P=0.58),不能预测CHR危险。 结论:在这个大型人群队列,apoB:apoA-I比值预测CHD的性能与传统的脂质比值相近,但并不优于总胆固醇:HDL-C比值。在已有总胆固醇及HDL-C测量结果的条:件下,这些数据并不支持apoB或apoA-I的临床应用。
出处 《美国医学会杂志(中文版)》 2008年第2期67-75,共9页 The Journal of the American Medical Association(Chinese Edition)
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