我们是否仍然需要在MS诊断中使用OCB,以及有多少?
Mirasol Forcadela1, Katherine Birch2, Chiara Rocchi1
1The Walton Centre Foundation Trust, Liverpool, UK.
Multiple sclerosis and related disorders
|October 21, 2023
概括
三个或更多大脑脊髓液特异性形形带 (CSF-OCBs) 的较高值可以提高多发性硬化症 (MS) 诊断的准确性. 这项分析表明,使用CSF-OCB可以显著缩短到MS诊断的时间.
科学领域:
- 神经学 神经学
- 免疫学 免疫学 免疫学
- 诊断医学 诊断医学 诊断医学
背景情况:
- 脑脊髓液特定的基基隆带 (CSF-OCBs) 对于通过时间传播 (DIT) 诊断多发性硬化症 (MS) 是至关重要的.
- 目前的MS诊断标准建议切断≥2个CSF-OCB,但证据表明≥3可能提供优越的诊断实用性.
- 本研究评估了不同CSF-OCB切线的诊断性能.
研究的目的:
- 评估≥2和≥3个CSF-OCB用于多发性硬化症 (MS) 诊断的诊断效用.
- 在现实临床环境中比较这些截止值的灵敏度和特异性.
- 确定CSF-OCB分析对MS诊断时间的影响.
主要方法:
- 在2018年7月至2020年6月期间分析的配对血清和CSF-OCB样本的回顾性分析.
- 使用隔离电聚焦来检测CSF-OCB,结果由两名盲目评级人员审查.
- 从1334个请求中获得足够信息的945名患者的临床数据审查.
主要成果:
- 在945名患者中,28%的患者发现了多个CSF-OCB.
- 对MS的敏感性和特异性对于≥2 (91.7%,91.2%) 和≥3 (90.2%,93.8%) 的CSF-OCB都很高.
- 超过3个CSF-OCB的值显示出略有更好的特异性,并且22名有2个CSF-OCB的患者中只有3名患有MS.CSF分析将诊断的时间缩短了大约14个月.
结论:
- 虽然≥2和≥3的CSF-OCB表现相似,但≥3的CSF-OCB可能对MS诊断更具特异性,因为2的CSF-OCB通常与非炎症性疾病有关.
- 建议考虑≥3的CSF-OCB截止值,以提高MS诊断的准确性.
- 脑脊液分析显著加快了MS的诊断,平均减少了14个月的诊断延迟.
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