优斯塔基管增强直接反映了ANCA相关的中耳炎的疾病活动
Taro Fujikawa1,2, Nobuhiro Hakuba1, Toru Miwa1
1Department of Otolaryngology, Teikyo University Hospital, Mizonokuchi, Kawasaki.
概括
与对比度增强的MRI显示,欧斯塔基管 (ET) 增强了与中耳炎 (OMAAV) 相关的活性抗中性粒细胞体抗体 (ANCA) 相关的血管炎 (AAV). 这种成像发现表明局部炎症,有助于评估疾病活动.
科学领域:
- 放射学 放射学是一门学科.
- 免疫学 免疫学 免疫学
- 耳鼻喉科 耳鼻喉科 耳鼻喉科
背景情况:
- 中耳炎与ANCA相关的血管炎 (OMAAV) 涉及尤斯塔希管 (ET).
- 对比增强型MRI (CE-MRI) 对评估OMAAV中ET参与的实用性尚未得到充分证实.
- 评估ET炎症对于管理OMAAV至关重要.
研究的目的:
- 确定CE-MRI上ET增强是否与ANCA相关血管炎 (AAV) /OMAAV.患者的疾病活性相关.
- 调查CE-MRI在评估OMAAV疾病活性中的诊断性能.
主要方法:
- 前性队列研究,比较患有活性OMAAV,缓解中的OMAAV和中耳炎的患者与输液 (OME) 对照.
- 高分辨率3.0-特斯拉脂肪抑制CE-MRI在疾病发病和缓解时进行.
- 分析了欧斯塔基管 (ET) 信号强度,并与ANCA和MPO-DNA复杂水平进行了比较.
主要成果:
- 所有活跃的OMAAV病例都显示出显著的ET对比度增强,即使之前使用了类固醇.
- ET增强在至少两个部分持续观察到,主要是围绕着地峡.
- 缓解期间增强减少,与ANCA和MPO-DNA复合物水平有很强的相关性 (P<0.001).
- 通过CE-MRI检测显示,对检测OMAAV疾病活性具有很高的灵敏度和特异性.
结论:
- 在高分辨率的CE-MRI上,欧斯塔基管 (ET) 增强是OMAAV中活跃血管炎症的可靠指标.
- 通过CE-MRI,可以有效评估疾病活动,并将活性OMAAV与其他疾病区分开来.
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