组织学和临床因素与IgA血管炎炎中脏结果相关
Sean J Barbour1,2, Rosanna Coppo3, Lee Er2
1Division of Nephrology, University of British Columbia, Vancouver, British Columbia, Canada.
Clinical journal of the American Society of Nephrology : CJASN
|January 23, 2024
概括
IgA血管炎炎的结果取决于临床因素和特定的活检特征,而不仅仅是MEST-C得分. 内分毛细胞超细胞性 (E1) 和纤维状新月预测治疗患者的衰退.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 病理学 病理学 病理学
- 免疫学 免疫学 免疫学
背景情况:
- IgA 血管炎炎 (IgAVN) 与 IgA 病 (IgAN) 有形态相似之处.
- MEST-C得分预测Igan中的结局,但它们在IgAVN中的作用在大型队列中未得到充分研究.
研究的目的:
- 调查MEST-C评分和其他因素对IgA血管炎炎患者的大型多民族队列脏结果的预测价值.
主要方法:
- 在23个国际中心对361名患者 (262名儿童,99名成年人) 的活检进行了回顾性分析.
- 三位病理学家对MEST-C评分进行了独立评分.
- 隐性类混合模型用于识别接受免疫抑制治疗的患者的eGFR轨迹.
主要成果:
- 在活检时,MEST-C得分与EGFR/蛋白尿相关.
- 确定了两个eGFR轨迹类:一个是初步改善,然后下降 (第1类,N=91),另一个是稳定的eGFR (第2类,N=218).
- 第1类与较高的结局风险相关 (HR 5.84). 在MEST-C得分中,只有E1 (内毛细管超细胞性) 与第1类相关. 年龄≤18岁,男性性别,较低的eGFR和外非皮肤性疾病也预测了第1类.
结论:
- 在接受治疗的IgAVN中,结局取决于临床风险因素和特定的组织学特征,如内毛细胞超细胞化 (E1) 和纤维状新月.
- 这些预测特征 (E1,纤维状新月) 并未完全被标准的儿童疾病国际研究分类所捕获.
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