相关实验视频

Updated: Feb 22, 2026

Optimization of the Retinal Vein Occlusion Mouse Model to Limit Variability

Optimization of the Retinal Vein Occlusion Mouse Model to Limit Variability

Published on: August 6, 2021

视网膜静脉阻塞中的视网膜动脉血管及其与水性幽默的关联内分泌素-1

SolAh Han¹, Chau Thi Ngoc Tran², Jee Myung Yang¹

¹Department of Ophthalmology, Asan Medical Center, College of Medicine, University of Ulsan, 88, Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, South Korea.

Ophthalmology and therapy

|February 21, 2026

概括

视网膜动脉血管是视网膜静脉封闭 (RVO) 的常见发现,与棉花斑点和更高的内甲蛋白-1水平有关. 这表明动脉内皮功能障碍可能在RVO中起作用.

科学领域:

眼科医生眼科眼科
血管生物学血管生物学
视网膜疾病视网膜疾病

背景情况:

视网膜静脉封闭 (RVO) 是视力丧失的一个重要原因.
动脉血管在RVO病理生理学中的作用尚不清楚.
内甲素-1 (ET-1) 与血管功能障碍有关.

研究的目的:

为了确定视网膜动脉血管的发生率和特征,在RVO.
调查血管与其他RVO发现的空间关联,如棉毛斑 (CWS) 和视网膜出血.
探索血管和水性幽默ET-1度之间的关系.

主要方法:

用广场光素血管学 (FA) 对58只眼睛进行了回顾性分析,其中使用了RVO.
通过ELISA进行ET-1分析,从18个未经治疗的RVO眼睛收集水性幽默.
对动脉血管,CWS和视网膜出血的评估,与地形一致性评估.

主要成果:

视网膜动脉血管在36.2%的RVO眼睛中被发现,主要是在超时象限.
患有血管的眼睛显示CWS的频率更高 (81.0%与54.1%相比),并且具有显著的垂直半球场一致性.
在患有血管的眼睛中观察到升高的水性幽默ET-1水平,尽管受样本大小限制.

结论:

视网膜动脉血管是RVO的一个未被认可的特征.
与CWS和ET-1的关联表明局部动脉内皮功能障碍.
血管可能是RVO病理生理学的动脉组成部分,需要进一步研究.

关键词:

棉羊毛斑点的地方内皮质功能障碍内皮质功能障碍输内甲林-1-1是什么视网膜静脉封闭视网膜静脉封闭血管的情况.

更多相关视频

In Vivo Vascular Injury Readouts in Mouse Retina to Promote Reproducibility

In Vivo Vascular Injury Readouts in Mouse Retina to Promote Reproducibility

Published on: April 21, 2022

Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography

Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography

Published on: March 26, 2020

相关概念视频

Vascular Spasm

Vascular Spasm

The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last...

Glaucoma: Overview

Glaucoma: Overview

Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...

Venous Thrombosis I: Introduction

Venous Thrombosis I: Introduction

Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...