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Diabetic Retinopathy01:27

Diabetic Retinopathy

DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...

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在全身性硬化症中视网膜微血管功能障碍.

Natallia Laptseva1, Konstantinos Bitos1, Valentina A Rossi2

  • 1Department of Cardiology, University Heart Center, University Hospital and University of Zurich, Zurich, Switzerland.

Microvascular research
|December 21, 2024
PubMed
概括
此摘要是机器生成的。

系统性硬化症 (SSc) 患者表现出视网膜微血管功能受损,视网膜血管分析显示. 这种功能障碍与疾病持续时间相关,这表明预后评估的可能性.

关键词:
心血管疾病的风险.动态视网膜血管分析仪内皮质功能障碍 内皮质功能障碍视网膜血管 视网膜血管系统性硬化症 系统性硬化症血管系统 血管系统

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科学领域:

  • 眼科医生 眼科 眼科
  • 类风湿病学 类风湿病学
  • 心血管研究研究心血管研究

背景情况:

  • 系统性硬化症 (SSc) 是一种由微血管病变和纤维化所标志的自身免疫性疾病.
  • 血管和内皮细胞的变化是SSc.的早期指标.
  • 视网膜血管分析为评估微血管功能提供了一种新的方法.

研究的目的:

  • 与健康对照组相比,研究SSc患者的视网膜微循环.
  • 评估视网膜微血管功能的实用性,作为SSc.中的生物标志物.

主要方法:

  • 非侵入性评估闪灯诱导的视网膜动脉 (FIDart%) 和静脉的血管扩张.
  • 测量包括中央视网膜动脉和静脉等价值 (CRAE,CRVE),臂动脉流介导扩张 (FMD) 和脉冲波速度 (PWV).
  • 40名SSc患者与40名年龄和性别匹配的健康对照 (HC) 患者进行了比较.

主要成果:

  • 在SSc患者中,视网膜微血管功能显著受损 (FIDart%:2.23 ± 2.0%与HC中的3.1 ± 1.9%相比,p=0.04).
  • 两组之间没有观察到口病或PWV的显著差异.
  • 视网膜微血管功能受损与较长的SSc疾病持续时间有关.

结论:

  • 在SSc.患者中,视网膜微血管功能显著受损.
  • 视网膜血管分析可以作为一种有价值的工具,用于SSc的风险评估和预后,独立于心血管风险因素.
  • 这些发现突出了视网膜微循环评估在管理SSc.的潜力.