相关实验视频

Updated: Jul 16, 2025

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking

Published on: September 26, 2019

患有帕金森病的患者视网膜功能和结构变化

Rehab Elanwar¹, Hatem Al Masry², Amna Ibrahim²

¹Neuro Diagnostic Research Center, Beni-Suef University, Beni-Suef, Egypt.

|September 18, 2023

概括

帕金森病 (PD) 患者表现出显著的视网膜结构和功能变化,包括视网膜神经纤维层厚度降低和电网膜图反应受损. 这些变化与疾病持续时间和运动功能障碍严重程度相关.

科学领域:

眼科医生眼科眼科
神经学神经学
神经科学是一个神经科学.

背景情况:

视觉功能障碍是帕金森病 (PD) 的常见非运动症状.
视网膜变化可以作为PD中神经退行症的指标.
了解这些变化可以提供有关疾病进展的见解.

研究的目的:

评估PD患者的功能和结构视网膜变化.
调查视网膜变化,疾病持续时间和运动障碍之间的相关性.
为了将PD患者的视网膜参数与年龄和性别匹配的健康对照进行比较.

主要方法:

一项病例对照研究,涉及50名异常PD患者和50名健康对照 (年龄在50-80岁).
使用Hoehn和Yahr分阶段和UPDRS评估的运动功能.
视网膜结构通过光学一致性断层扫描 (OCT) 进行评估,功能通过全场电网膜图 (ff-ERG) 进行评估.

主要成果:

与对照人群相比,PD患者表现出显著减少的周周状视网膜神经纤维层 (RNFL) 厚度和黄斑团细胞复合体 (GCC) 厚度 (P<0.05).
ff-ERG揭示了PD患者的棒和圆反应中的显著延迟延迟和降低幅度 (P<0.001).
在疾病持续时间和RNFL厚度之间,以及在UPDRS得分和ff-ERG参数之间发现了负相关性.

结论:

在帕金森病患者中存在显著的结构和功能视网膜损伤.
视网膜厚度受到疾病持续时间的显著影响.
在PD中,运动功能障碍的严重程度与视网膜功能有负相关.

关键词:

全场电网红图全场电网红图.斑点质细胞综合体斑点质细胞综合体光学连贯性断层扫描技术.帕金森病是帕金森氏症的一种疾病.视网膜神经纤维层厚度视网膜神经纤维层厚度

更多相关视频

Using Retinal Imaging to Study Dementia

Using Retinal Imaging to Study Dementia

Published on: November 6, 2017

In Vivo Dynamics of Retinal Microglial Activation During Neurodegeneration: Confocal Ophthalmoscopic Imaging and Cell Morphometry in Mouse Glaucoma

In Vivo Dynamics of Retinal Microglial Activation During Neurodegeneration: Confocal Ophthalmoscopic Imaging and Cell Morphometry in Mouse Glaucoma

Published on: May 11, 2015

相关概念视频

Parkinson's Disease: Treatment

Parkinson's Disease: Treatment

Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...

Parkinson's Disease: Overview

Parkinson's Disease: Overview

Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...

Neural Regulation

Neural Regulation

Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.