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At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
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Using Retinal Imaging to Study Dementia
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大型抑郁症中的视网膜微血管异常

Evgenii Sadykov1, Ladislav Hosak1, Alexandr Stepanov2

  • 1Department of Psychiatry, Faculty of Medicine in Hradec Kralove, Charles University and University Hospital Hradec Kralove, Hradec Kralove, Czech Republic.

Biomedical papers of the Medical Faculty of the University Palacky, Olomouc, Czechoslovakia
|July 19, 2023
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概括
此摘要是机器生成的。

重度抑郁与视网膜显著的微血管变化有关,包括更宽的动脉和静脉. 这些发现表明,在抑郁症中,大脑和视网膜之间存在潜在的共享病理.

关键词:
生物标志物生物标志物抑郁 抑郁症 抑郁症 抑郁症 是一种神经炎症是一种神经炎症.视网膜微血管异常 视网膜微血管异常

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科学领域:

  • 眼科医生 眼科 眼科
  • 神经科学是一个神经科学.
  • 精神病学是一个精神病学.

背景情况:

  • 视网膜微血管异常可能与严重抑郁症有关.
  • 了解这种联系对于非老年人群来说至关重要.

研究的目的:

  • 调查视网膜微血管变化与严重抑郁症之间的联系.
  • 探索潜在的共享病理生理机制.

主要方法:

  • 一项横截面研究,将50名患有严重抑郁症的患者与50名健康对照人进行比较.
  • 使用Zeiss FF450和oDocs相机捕获的视网膜图像.
  • 基于ICD-10对抑郁障碍的分类进行诊断.

主要成果:

  • 与对照组相比,患有严重抑郁症的患者表现出显著更大的动脉 (P<0.0001) 和静脉 (P<0.001-0.0001) 校准.
  • 微血管变化在患有抑郁症的人的视网膜中很明显.

结论:

  • 共同的胚胎起源表明,在大型抑郁症中,视网膜和大脑中存在类似的微血管病理.
  • 与微血管变化相关的神经炎症可能在抑郁症中起作用.
  • 这些发现可能有助于理解抑郁症的起源和个性化治疗.