Clinical Research and Adult Diabetes Sections, Joslin Diabetes Center, Harvard Medical School, Boston, Massachusetts.
Brigham and Women's Hospital Heart & Vascular Center, Harvard Medical School, Boston, Massachusetts.
J Am Coll Cardiol. 2018 Jul 17;72(3):330-343. doi: 10.1016/j.jacc.2018.04.061. Epub 2018 Jun 20.
Despite the important role of high-intensity statins in reducing atherosclerotic cardiovascular disease events in secondary and primary prevention, substantial residual risk persists, particularly among high-risk patients with type 2 diabetes mellitus, metabolic syndrome, and obesity. Considerable attention is currently directed to the role that elevated triglycerides (TGs) and non-high-density lipoprotein cholesterol levels play as important mediators of residual atherosclerotic cardiovascular disease risk, which is further strongly supported by genetic linkage studies. Previous trials with fibrates, niacin, and most cholesterol ester transfer protein inhibitors that targeted high-density lipoprotein cholesterol raising, and/or TG lowering, have failed to show conclusive evidence of incremental event reduction after low-density lipoprotein cholesterol levels were "optimally controlled" with statins. Although omega-3 fatty acids are efficacious in lowering TG levels and may have pleiotropic effects such as reducing plaque instability and proinflammatory mediators of atherogenesis, clinical outcomes data are currently lacking. Several ongoing randomized controlled trials of TG-lowering strategies with an optimal dosage of omega-3 fatty acids are nearing completion.
尽管高强度他汀类药物在降低二级和一级预防中的动脉粥样硬化性心血管疾病事件方面发挥了重要作用,但仍存在大量残余风险,尤其是在 2 型糖尿病、代谢综合征和肥胖等高危患者中。目前,人们非常关注升高的甘油三酯(TGs)和非高密度脂蛋白胆固醇水平作为残余动脉粥样硬化性心血管疾病风险的重要介质的作用,遗传连锁研究进一步强烈支持了这一点。以前使用贝特类药物、烟酸和大多数胆固醇酯转移蛋白抑制剂的试验旨在提高高密度脂蛋白胆固醇和/或降低 TG,但在他汀类药物将低密度脂蛋白胆固醇“最佳控制”后,未能显示出对事件减少的明确证据。虽然 ω-3 脂肪酸在降低 TG 水平方面有效,并且可能具有降低斑块不稳定性和动脉粥样形成的促炎介质等多种作用,但目前缺乏临床结果数据。几项正在进行的关于 TG 降低策略的随机对照试验正在接近完成,使用了最佳剂量的 ω-3 脂肪酸。