JASN:纵向FGF23的变化轨迹和CKD患者死亡率有关!

2017-12-02 xing.T MedSci原创

总之,大多数CKD患者FGF23水平稳定,但连续测量可以确定快速上升以及死亡风险非常高的个体。

单次测量时升高的成纤维细胞生长因子23(FGF23)水平与CKD的患者死亡风险增加密切相关。然而,对CKD患者进行连续的FGF23测量数据较少。

近日,肾脏病领域权威杂志Journal of the American Society of Nephrology上发表一篇研究文章,在一项慢性肾功能不全患者的前瞻性队列研究中,研究人员对随机抽取的1135名参与者进行每年两到五次(平均4±1.2)的FGF23水平测量,其中203人死亡,其余390人死于2013年。

在多变量调整后的FGF23时间变化分析中,研究人员发现较高的FGF23水平与死亡风险增加独立相关(FGF23每增加1个对数转换后的风险比为1.84;95%CI为1.67-2.03)。在5年的随访期间FGF23的中位数稳定,但其逐渐右偏分布提示FGF23显著增高的亚组。轨迹分析显示三种不同的轨迹:在大多数参与者FGF23水平稳定(每年lnFGF23斜率为0.03,95%CI为0.02-0.04,n=724)以及更小的亚群伴有缓慢(斜率为0.14,95%CI为0.12-0.16,n=486)或快速(斜率为0.46,95%CI为0.54-0.38,n=99)水平上升。在充分调整的分析中,与FGF23稳定的参与者相比,FGF23缓慢上升的参与者死亡风险增加4.49倍(95%CI为3.17-6.35),FGF23快速上升的参与者死亡风险增加15.23倍(95%CI为8.24-28.14)。轨迹分析,采用每年四或三次FGF23测量也得到了类似的结果。

总之,大多数CKD患者FGF23水平稳定,但连续测量可以确定快速上升以及死亡风险非常高的个体。

原始出处:

Tamara Isakova,et al. Longitudinal FGF23 Trajectories and Mortality in Patients with CKD.JASN,2017, http://jasn.asnjournals.org/content/early/2017/11/13/ASN.2017070772.abstract

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    2018-05-24 chenhongpeng
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