与疾病严重程度的FDG-PET关联以及NMDA受体IgG自身免疫脑炎的结果
Jonathan K Lee1,2, Jeffrey Lambe2,3, Scott Johnson1,2
1Department of Radiology, Diagnostics Institute, Cleveland Clinic, Cleveland, Ohio, USA.
基线大脑FDG-PET扫描显示N-甲基-D-酸盐 (NMDA) 受体-免疫球蛋白G (IgG) 自身免疫脑炎 (NMDAR-IgG AE) 的尾叶低代谢与疾病严重程度和长期结果相关. 这些发现表明FDG-PET可以预测患者的预后.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 放射学 放射学是一门学科.
背景情况:
- N-甲基-D-酸盐 (NMDA) 受体-免疫球蛋白G (IgG) 自体免疫脑炎 (NMDAR-IgG AE) 在基线氧葡萄糖-正子发射断层扫描 (bFDG-PET) 上表现为叶低代谢.
- 在NMDAR-IgG AE患者中,bFDG-PET发现,疾病严重程度和临床结果之间的关系仍未完全阐明.
研究的目的:
- 调查基线bFDG-PET发现与NMDAR-IgGAE患者的临床严重程度之间的关联.
- 确定bFDG-PET发现是否与NMDAR-IgG AE.的纵向临床结果相关.
主要方法:
- 在症状出现后3个月内接受bFDG-PET的成年NMDAR-IgGAE患者的回顾性分析.
- 对bFDG-PET发现进行了定性和定量评估.
- 斯皮尔曼的相关性分析被用来评估bFDG-PET和修改的兰金尺度 (mRS) 和自免疫脑炎临床评估尺度 (CASE) 在诊断和1年随访时的得分之间的关联.
主要成果:
- 包括16名患者 (13名女性,3名男性;中位数年龄29岁). 从发病到bFDG-PET的中位时间为5周.
- 在bFDG-PET上的叶低代谢与诊断时的临床严重程度有显著的相关性 (mRS: -0.65,CASE: -0.68).
- 基线叶低代谢也与1年随访时较高的mRS得分相关 (-0.71).
结论:
- 基线bFDG-PET叶低代谢与NMDAR-IgG AE的诊断时的疾病严重程度和1年后的功能结果有关.
- FDG-PET的发现可以作为一个有价值的成像生物标志物,用于预测NMDAR-IgG AE.的疾病严重程度和预后.
- 需要进行更大规模的研究来证实这些发现及其临床影响.
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