他汀不降低家族性高胆固醇血症辅酶Q10浓度

2011-06-10 范伟伟译 MedSci原创

 《动脉粥样硬化》(Atherosclerosis)杂志2011年6月6日在线发表的一项研究表明,长期、大剂量他汀治疗不能使显性或遗传型家族性高胆固醇血症(FH)患者的血浆辅酶Q10(CoQ10)浓度降低至正常值以下。与未接受他汀治疗的对照组相比,FH患者的动脉僵硬度增加,低CoQ10水平与动脉僵硬度增加相关。   研究者评价了接受他汀治疗的杂合性FH患者,与同等剂量他汀治疗的低密度脂蛋白受体

 《动脉粥样硬化》(Atherosclerosis)杂志2011年6月6日在线发表的一项研究表明,长期、大剂量他汀治疗不能使显性或遗传型家族性高胆固醇血症(FH)患者的血浆辅酶Q10(CoQ10)浓度降低至正常值以下。与未接受他汀治疗的对照组相比,FH患者的动脉僵硬度增加,低CoQ10水平与动脉僵硬度增加相关。

  研究者评价了接受他汀治疗的杂合性FH患者,与同等剂量他汀治疗的低密度脂蛋白受体(LDLR)变异阴性的FH患者相比,是否具有较低的CoQ10水平,以及这种较低的血浆CoQ10浓度是否与动脉僵硬度增加相关。

  研究纳入LDLR变异阴性和阳性的临床FH患者各30例,采用性别、他汀治疗持续时间和剂量配对。另采用30例受试者为对照。采用高效液相色谱法测量血浆CoQ10和不对称二甲基精氨酸(ADMA)水平,通过脉搏波分析得出增强指数。

  结果显示,接受相同剂量他汀治疗的LDLR变异阴性和阳性FH患者,其血浆CoQ10水平、CoQ10和总胆固醇比值、以及低密度脂蛋白胆固醇(LDL-C)水平相似(p > 0.05),其CoQ10和脂质水平与不采用任何调脂治疗的对照组相似。动脉僵硬度在LDLR变异阴性FH患者中较高(p = 0.04),在LDLR变异阳性的FH患者中有增高的趋势(p = 0.09)。ADMA在LDLR变异阳性组较高(p < 0.01)。对于所有FH患者,其增强指数在校正年龄、血压和心率因素后,和血浆CoQ10水平成负相关。

  因此,研究者建议在FH患者中进行CoQ10补充治疗试验。

  链接:

  Relationship between plasma coenzyme Q10, asymmetric dimethylarginine and arterial stiffness in patients with phenotypic or genotypic familial hypercholesterolemia on long-term statin therapy

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    2012-01-25 drwjr
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    2011-06-12 wetgdt