AJKD:基于胱抑素C的肾小球滤过率(eGFRcys)——评估心衰的可靠指标

2022-11-27 liangying MedSci原创 发表于上海

在CKD患者中,每年测量血清肌酸酐和胱抑素C,eGFRcys和eGFRcr值可优化HF的评估风险。

众所周知,肾小球滤过率(eGFR)可以判断肾功能情况,而肾功能较低的个体发生心力衰竭的风险较高。虽然生物标志物胱抑素C和肌酐都被用于测定eGFR,但基于胱抑素C (eGFRcys)和肌酐(eGFRcr)的eGFR在个体内可能存在很大差异,尚不清楚eGFRcys和eGFRcr哪一个才是更可靠的心力衰竭风险指标。为此有专家进行了一项队列研究,来评估eGFRcys和eGFRcr之间的差异及其与心力衰竭发生风险之间的关系。

实验招募了4512名患有CKD但没有患心衰的成年人。研究范围包含了年龄、种族、民族、糖尿病状况和肾脏疾病严重程度。主要结局为因心衰住院。

4512名参与者中,三分之一的eGFRcys和eGFRcr值相差超过15 mL/min/1.73 m2在多变量调整模型中,基线eGFRdiff每降低15 mL/min/1.73 m2,心衰住院的风险就会增加。在时间更新的分析中,eGFRdiff小于−15 mL/min/1.73 m2患者发生HF住院的风险较高,而eGFRdiff患者≥与eGFRcys和eGFRcr相似的参与者相比,15mL/min/1.73m2的HF住院风险较低。与eGFRcys和eGFRcr同时下降的参与者相比,eGFRcy下降速度更快的参与者发生心力衰竭的风险更高。

基线、时间更新和eGFRdiff斜率与发生心衰住院风险的相关性

总而言之,这项研究表明,在eGFRcys和eGFRcr差异较大的CKD患者中,发生心衰的风险与eGFRcys密切相关。eGFRcys和eGFRcr随时间变化的坡度变化也与心衰发生的风险独立相关。因此,在CKD患者中,每年测量血清肌酸酐和胱抑素C,eGFRcys和eGFRcr值可优化HF的评估风险。

参考文献:Debbie C. Chen, Michael G. Shlipak, Rebecca Scherzer, et al, Association of Intra-individual Differences in Estimated GFR by Creatinine Versus Cystatin C With Incident Heart Failure, American Journal of Kidney Diseases, Volume 80, Issue 6, 2022, Pages 762-772.e1, ISSN 0272-6386, https://doi.org/10.1053/j.ajkd.2022.05.011.

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    2022-11-27 delianjihui

    转化临床指导心衰治疗

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    2022-11-27 delianjihui

    转发学习

    0

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    2022-11-27 delianjihui

    感谢分享

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    2022-11-27 delianjihui

    学习受益

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