在阿基亚斯米亚的临床特征和成像特征
Anastasia Pilat1, Rebecca J McLean1, Anna Vanina2
1Department of Neuroscience, Psychology and Behaviour, University of Leicester, Leicester, UK.
Brain communications
|September 8, 2023
概括
这项研究揭示了罕见的视觉障碍 - - 脊髓炎 - - 涉及视网膜水平的神经元异常,以及视神经和大脑形. 这些发现表明,阿基亚斯米亚患者的发育问题范围广泛.
科学领域:
- 眼科医生 眼科 眼科
- 神经科学是一个神经科学.
- 发展生物学 发展生物学
背景情况:
- 阿基亚斯米亚是一种罕见的视觉通路发育不良,其特点是视觉神经轴突在视觉中交叉的减少.
- 了解阿奇亚斯米亚对视觉结构和大脑形态的影响的全谱对于诊断和管理至关重要.
研究的目的:
- 为了研究患者的临床特征,黄斑,视神经和大脑形态.
- 为了确定潜在的潜在的发育过程和相关异常在 achiasmia.
主要方法:
- 这是一项前性,横截面研究,涉及12名患有骨质疏松症的参与者和24名匹配的健康对照.
- 综合评估包括眼科检查,眼动记录,光谱域光学连贯性断层扫描 (OCT),视觉唤起反应 (VERs) 和脑部MRI.
主要成果:
- 艾希亚斯米亚被VERS证实;参与者表现出视力敏度降低,看看的眼,缺少立体视力.
- 在一些患者中,OCT显示了视神经的低成形,其中有状低成形,而在另一些患者中则显示了黄斑变化.
- 在83%的参与者中,MRI显示了不同程度的形发育不良 (形/低形),其中一些人也呈现了形光学形.
结论:
- 这项研究首次在阿基亚斯米亚中确定了视网膜水平的神经元异常.
- 和视神经的变化,以及中线大脑异常,表明阿基亚斯米亚可能代表胎儿发育异常的范围.
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