实用医学杂志 ›› 2024, Vol. 40 ›› Issue (22): 3172-3178.doi: 10.3969/j.issn.1006-5725.2024.22.009

• 临床研究 • 上一篇    下一篇

IgM沉积强度对原发性IgA肾病患者肾小球超微结构及临床病理的影响

徐璐,张晶晶,闫奇奇,许雯婷,黎淮,王德光()   

  1. 安徽医科大学第二附属医院肾脏内科 (安徽 合肥 230601 )
  • 收稿日期:2024-04-15 出版日期:2024-11-25 发布日期:2024-11-25
  • 通讯作者: 王德光 E-mail:wangdeguang@ahmu.edu.cn
  • 基金资助:
    安徽省自然科学基金面上项目(2008085MH244);安医大二附院国自然孵育计划项目(2020GMFY04);安徽医科大学校科研基金项目(2021xkj171)

Impact of IgM deposition level on the ultrastructure and the clinicopathological features of primary IgA nephropathy patients

Lu XU,Jingjing ZHANG,Qiqi YAN,Wenting XU,Huai LI,Deguang. WANG()   

  1. Department of Nephrology,Second Affiliated Hospital of Anhui Medical University,Hefei 230601,Anhui,China
  • Received:2024-04-15 Online:2024-11-25 Published:2024-11-25
  • Contact: Deguang. WANG E-mail:wangdeguang@ahmu.edu.cn

摘要:

目的 探讨原发性IgA肾病(IgA nephropathy,IgAN)患者不同IgM沉积强度与肾小球超微结构病变及临床病理的关系。 方法 收集155例IgAN患者的临床病理资料。分为IgM阴性(51例)、轻度(89例)和中度及以上沉积(15例)3组。比较3组间肾小球超微特征性结构、临床指标、MEST-C评分差异并分析与IgM沉积强度的影响因素。 结果 与IgM阴性、IgM轻度沉积组相比,IgM中度及以上沉积组24 h尿蛋白水平、IgG沉积、肾小管萎缩/间质纤维化(T)评分、足突融合(foot process effacement,FPE)程度更高,血白蛋白水平、淋巴细胞计数更低(P < 0.05)。logistic结果显示FPE程度、T评分是IgM沉积强度的独立影响因素。 结论 IgM沉积强度与原发性IgAN患者FPE程度相关。FPE程度可协同临床病理评分更精准评估肾组织损伤及制定治疗方案。

关键词: IgA肾病, IgM沉积, 足突融合, 电子显微镜

Abstract:

Objective To investigate the correlations between IgM deposition levels,glomerular ultrastructural and clinicopathological features in primary IgA nephropathy(IgAN). Methods Data from 155 IgAN patients were categorized into three cohorts by IgM deposition levels. We assessed differences in glomerular ultrastructure, clinical indices, MEST-C scores, and factors influencing IgM deposition levels. Results The marked IgM cohort showed higher urinary protein, IgG deposition, and T scores, with reduced serum albumin and lymphocyte counts (P < 0.05). Logistic regression identified FPE and T score as independent factors for IgM deposition. Conclusions IgM deposition correlates with FPE severity in IgAN, suggesting its utility in assessing renal damage and guiding treatment strategies.

Key words: IgA nephropathy, IgM deposition, foot process effacement, electron microscope

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