脑血栓分析作为感染性内心炎在缺血性中风患者中有用的诊断工具
Aurora Semerano1,2, Beatrice Dell'Acqua1,2, Angela Genchi1,2
1Department of Neurology, IRCCS San Raffaele Hospital, Milan, Italy.
European stroke journal
|February 17, 2025
概括
从缺血性中风 (IS) 患者的脑血栓分析可以帮助诊断感染性内心炎 (IE). 对血栓的组织学和分子分析揭示了IE患者的独特特征,有助于早期诊断.
科学领域:
- 神经学和传染病的研究
- 病理学和分子诊断的研究.
背景情况:
- 传染性内心炎 (IE) 是一种严重的疾病,可能导致缺血性中风 (IS).
- 诊断IE,特别是当作为IS呈现时,可能是具有挑战性的.
- 在IS的内血管血栓切除过程中检索的脑血栓提供了潜在的诊断来源.
研究的目的:
- 评估分析脑血栓对于IS患者IE病理诊断的有用性.
- 确定脑瘤中的特定病理特征,以区分IE与IS的其他原因.
主要方法:
- 从具有确定的IE (n=10) 的IS患者和对照组 (没有 (CE-I-: n=30) 的心血管栓塞性中风和有 (CE-I+: n=10) 感染的IS患者中收集了脑瘤.
- 进行了组织学检查 (H&E,GMS染色),分子生物学 (PCR) 和微生物学测试.
- 血栓组成 (红血细胞,静脉血流,NETs) 和年龄被评估,并在各组之间进行比较.
主要成果:
- 在使用H&E和GMS染色剂检测到的所有IE血栓中检测到微生物.
- 与对照组相比,IE血栓的红细胞含量显著降低,·威尔布兰德因子增加,中性细胞外细胞陷 (NET) 的患病率更高.
- 血栓年龄分类和组成特征表明IE和对照组之间的高分辨能力 (AUC0.84-0.95).
结论:
- 在怀疑IE的IS患者中脑瘤的多式分析可以支持早期和最终的病理诊断.
- 在这种情况下,检测病原体和评估血栓组成是诊断IE的关键.
- 脑血栓分析是识别IE作为缺血性中风的原因的宝贵工具.
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