Circulation:仅检测总胆固醇和HDL-C就足以预测血脂对CVD风险的影响

2019-08-15 MedSci MedSci原创

检测总胆固醇和高密度脂蛋白胆固醇(HDL-C)是心血管疾病(CVD)风险评估的核心,但其他脂类在风险预测中的作用一直存在争议。本研究纳入初始无CVD、也未服用他汀类药物、并进行了相关脂质检测的个体,共346 686位。平均随访8.9年,6216位受试者发生致死或非致死性的心血管事件,其中1656例为致死性的。采用Cox模型评估非空腹血脂(总胆固醇、HDL-C、非HDL-C、LDL-C和ApoA1、

检测总胆固醇和高密度脂蛋白胆固醇(HDL-C)是心血管疾病(CVD)风险评估的核心,但其他脂类在风险预测中的作用一直存在争议。

本研究纳入初始无CVD、也未服用他汀类药物、并进行了相关脂质检测的个体,共346 686位。平均随访8.9年,6216位受试者发生致死或非致死性的心血管事件,其中1656例为致死性的。采用Cox模型评估非空腹血脂(总胆固醇、HDL-C、非HDL-C、LDL-C和ApoA1、ApoB)与CVD的关系。

ApoB、LDL-C和非HDL-C高度相关(r>0.90),而HDL-C与ApoA1强相关(r=0.92)。根据经典风险因素校正后,ApoB、直接LDL-C和非HDL-C每升高1SD与复合致死性/非致死性CVD事件的相关性相似(风险比分别是1.23、1.20、1.21)。HDL-C和ApoA1升高1SD的相关性也相似(风险比均是0.81)。将总胆固醇和HDL-C或ApoB和ApoA加到CVD风险预测模型中,模型的辨别力可得到相似的改善。一旦预测模型中已纳入总胆固醇和HDL-C,再加入ApoB或LDL-C的任何指标,模型的辨别力都不能再得到提高。在相差分析中,对于致死性CVD的预测效果相似。对于服用他汀类药物的受试者,非-HDL-C或ApoB可提高经典风险因素的预测意义。但将ApoB或LDL-C加入已包含非HDL-C的模型时,则不能进一步改善辨别力。

在非进食状态下,检测总胆固醇和HDL-C足以捕获CVD预测中的脂类相关风险,加入载脂蛋白并不能显著改善模型的预测效果。

原始出处:

Claire Welsh , et al.Comparison of Conventional Lipoprotein Tests and Apolipoproteins in the Prediction of Cardiovascular Disease. Circulation. 2019;140:542–552.https://doi.org/10.1161/CIRCULATIONAHA.119.041149

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