眼动脉形态和血液动力学与白质过强度相关
Xiao-Lei Zhang1, Xue-Ru Cheng1,2, Yan-Ling Wang1,2
1Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
International journal of medical sciences
|July 15, 2024
概括
眼动脉 (OA) 血流和直径在患有白质过强度 (WMH) 的患者中减少. 这些变化与WMH存在有关,这表明动脉样硬化可能在两种疾病中发挥作用.
科学领域:
- 神经成像是一种神经成像.
- 血管生物学 血管生物学
- 脑血管疾病 脑血管疾病
背景情况:
- 白质超强度 (WMH) 在衰老中很常见,并与认知能力下降有关.
- 眼动脉 (OA) 的特征可能反映大脑血管健康.
研究的目的:
- 检查眼动脉 (OA) 形态和血液动力学在患有白质超强度 (WMH) 的患者.
- 为了确定WMH存在/严重程度和OA特征之间的关联.
主要方法:
- 横截面研究比较了44只眼睛的WMH与38只对照眼睛.
- 用于OA形态和血液动力学参数的计算流体动力学的3D重建.
- 通过Fazekas尺度评估WMH的严重程度.
主要成果:
- 与对照组相比,WMH患者的OA直径,血液流速,质量流量比率和壁剪应力显著降低.
- 甲状腺直径,血液流速,壁切应力和质量流量比独立地与WMH存在有关.
- 男性性别,高LDL和吸烟与WMH严重程度有关.
结论:
- 减少的OA直径,血液流速,质流比和壁切应力独立地与WMH的存在有关.
- 动脉样硬化可能是WMH和OA变化的共同潜在机制.
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