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估计的GFR使用cystatin C与儿科脏移植接受者的肌素对比
Helen Pizzo1, John Nguyen2, George J Schwartz3
1Department of Pediatrics, Cedars-Sinai Medical Center, 8700 Beverly Blvd., Los Angeles, CA, 90048, USA. Helen.Pizzo@cshs.org.
Pediatric nephrology (Berlin, Germany)
|March 1, 2024
概括
与传统方法相比,基于囊素C (CysC) 的方程,含有或不含有肌素 (Cr) 的方程,在儿童移植接受者中,提高了估计膜过率 (GFR) 的准确性.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 儿科移植医学 儿科移植医学
- 生物标记分析 生物标记分析
背景情况:
- 精确估计膜过率 (GFR) 对于早期检测儿科患者的移植恶化至关重要.
- 基于GFR监测的及时干预可以改善移植结果.
研究的目的:
- 为了比较基于血清肌素 (Cr) 和囊素C (CysC) 的GFR方程与儿科脏移植接受者的测量GFR (mGFR) 的性能.
- 评估各种GFR估计方程的准确性,偏差和精度.
主要方法:
- 从45名儿科脏移植患者 (年龄1-18岁) 收集了血清囊素C (CysC),血清肌素 (Cr) 和测量了GFR (mGFR).
- 基于Cr,基于CysC和联合Cr-CysC的估计GFR (eGFR) 方程与使用偏差,精度和准确度指标的mGFR进行了比较.
- 使用布兰德-阿尔特曼图表进行一致性评估和二次分析,以组织学变化和CKD分期的子组.
主要成果:
- 基于cystatin C的方程,特别是Gentian CysC和U25-CysC,在估计GFR时显示出更小的偏差和更高的准确性.
- 在活检证明的组织学变化的患者中,Gentian CysC和U25-CysC的准确性提高.
- 某些方程,包括Gentian CysC和U25-CysC,在更高水平 (>100毫升/分钟/1.73米2) 时倾向于高估GFR.
结论:
- 基于cystatin C的GFR估计方程,单独或与肌素结合,在儿科脏移植接受者中提供了卓越的偏差,精度和准确性.
- 这些发现表明CysC在优化该群体GFR监测方面可能发挥作用.
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