多式眼镜成像和白质超强度体积之间的关系
1Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Quantitative imaging in medicine and surgery
|October 13, 2025
概括
眼睛成像生物标志物,包括视网膜神经纤维层厚度和血管宽度,与白质超强度 (WMH) 相关. 这些发现表明,对大脑小血管疾病的早期,非侵入性检测有潜力.
科学领域:
- 眼科医生 眼科 眼科
- 神经学 神经学
- 放射学 放射学是一门学科.
背景情况:
- 白质过强度 (WMH) 是大脑小血管疾病的关键标志物,与中风,认知衰退和死亡率有关.
- 目前对WMH的MRI评估是昂贵的,对于大规模监测是不切实际的.
- 由于视网膜和大脑之间共享的微血管特征,眼镜成像提供了一个非侵入性的替代方案.
研究的目的:
- 探索多式眼镜成像生物标志物和WMH体积之间的关联.
- 为了能够更早地,非侵入性地检测大脑小血管疾病.
- 为了研究特定于叶片的WMH和多式联络生物标志物.
主要方法:
- 761名参与者接受了眼科 (OCT, fundus摄影) 和神经成像 (MRI) 评估.
- 眼睛指标包括斑点视网膜神经纤维层 (mRNFL),斑点质细胞内部形层 (mGCIPL),中枢视网膜动脉等价物 (CRAE) 和动脉/静脉比率 (AVR).
- 通用线性回归模型分析了眼部生物标志物和WMH体积之间的关联,并根据人口统计和血管风险因素进行调整.
主要成果:
- 较薄的mGCIPL和黄斑质细胞综合体 (mGCC) 与总大脑,叶和叶的WMH体积较大有关.
- 减少的黄斑内核层 (mINL) 与大脑和特定叶片中较大的WMH相关.
- 较小的AVR,较窄的CRAE,较宽的CRVE,较低的碎形维度 (FD) 和更大的全球静脉宽度与增加的WMH体积有关,特别是在叶. 关联在女性中更强烈.
结论:
- OCT和 fundus 摄影参数与WMH体积独立相关.
- 这些眼睛参数显示出作为早期检测和监测WMH的生物标志物的潜力.
- 多式眼镜成像可能有助于精确识别和监测白质变化.
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