J Renal Nutr:血浆同型半胱氨酸饱和度对中国成人H型高血压慢性肾病的影响

2021-11-03 MedSci原创 MedSci原创

提示当HCY水平达到饱和时,临床医生们应该考虑其他防治CKD的策略。

中国人群中高血压患的病率为23.2%,患病人数估计为2.45亿,约75%的中国高血压患者同时患有高半胱氨酸血症(HHcy,因此有研究者提出了H型高血压的概念,H型高血压的定义是高血压患者伴有10 mmol/L的Hcy水平。H型高血压可能具有更高的血管疾病和肾脏疾病风险,然而同型半胱氨酸(Hcy)与慢性肾病(CKD)风险之间的相关数据有限。

本研究旨在探讨Hcy与中国成人h型高血压患者CKD患病率和肾小球滤过率(eGFR)的关系。共有12873名27-75岁的中国成人H型高血压患者被纳入最终分析。

总的研究结果在调查的12873名中国成人中H型高血压患者CKD的患病率为7.58%,平均Hcy为17.58±10.96μmol/L。平滑曲线表明,随着Hcy的增加,CKD的患病率先升高后降低,eGFR先降低后降低,支持Hcy与CKD和eGFR患病率的L型关联。此外,研究进一步发现同型半胱氨酸的拐点为22 mmol/L。

与对照组相比,同型半胱氨酸浓度为23-25 mmol/L、25-27 mmol/L、27-29 mmol/L和≥ 29 μmol/L的个体CKD的发病率无显著增加。eGFR和Hcy之间的关系中同样也观察到类似的结果,表明Hcy与CKD和eGFR患病率之间的关联更可能是非线性的。

在完全调整的平滑曲线中,同型半胱氨酸与CKD和eGFR患病率之间的关系不是线性的。随着同型半胱氨酸水平的升高,CKD患病率先升高后趋于平稳,eGFR先降低后趋于平稳。拐点在22 mmol/L左右。

同型半胱氨酸与CKD和eGFR患病率之间的非线性关系

总之,本研究表明,在中国H型高血压患者中,同型半胱氨酸对CKD和eGFR的患病率具有饱和效应,提示当HCY水平达到饱和时,临床医生们应该考虑其他防治CKD的策略。

参考文献:Shi Y , Ding C , Hu L , et al. Saturation Effects of Plasma Homocysteine on Chronic Kidney Disease in Chinese Adults With H-type Hypertension: A Cross-sectional Study[J]. Journal of Renal Nutrition, 2020.

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    2023-03-09 showtest 来自上海

    在中国#H型高血压#患者中,#同型半胱氨酸##CKD##EGFR#的患病率具有饱和效应,提示当HCY水平达到饱和时,临床医生们应该考虑其他防治CKD的策略。

    0

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    2022-09-18 jml2020
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