在COVID-19后综合征中持续的内皮功能障碍及其与症状严重程度和慢性炎症的关联
Timon Kuchler1, Roman Günthner1, Andrea Ribeiro1,2
1School of Medicine, Klinikum Rechts Der Isar, Department of Nephrology, Technical University of Munich, Ismaninger Str. 22, 81675, Munich, Germany.
Angiogenesis
|July 28, 2023
概括
后COVID-19综合征 (PCS) 涉及持续的内皮功能障碍,影响视网膜微循环. 视网膜血管分析 (RVA) 显示与PCS严重程度相关的微血管损伤,表明潜在的诊断生物标志物.
科学领域:
- 眼科医生 眼科 眼科
- 心血管研究研究心血管研究
- 传染性疾病 传染性疾病
背景情况:
- 后COVID-19综合征 (PCS) 呈现了持续的症状,如疲劳和认知障碍,这给诊断和治疗带来了挑战.
- 了解PCS潜在的病理生理学对于公共卫生和患者管理至关重要.
- 内皮功能障碍 (ED) 越来越被认为是PCS的一个重要因素.
研究的目的:
- 使用视网膜血管分析 (RVA) 调查患有后COVID-19综合征 (PCS) 的患者的视网膜微循环.
- 为了将PCS患者的微血管参数与健康,年龄和性别匹配的队列进行比较.
- 探索微血管变化,PCS严重程度和炎症标志物之间的相关性.
主要方法:
- 一项前性观察队列研究,涉及41名PCS患者和匹配的健康队列.
- 使用视网膜血管分析 (RVA) 分析视网膜微循环,包括动态血管分析 (DVA).
- 测量的关键参数是静脉闪诱导扩张 (vFID),中枢视网膜动脉等效 (CRAE) 和动脉脉-静脉比 (AVR).
主要成果:
- 与健康对照组相比,PCS患者的vFID显著降低,CRAE更窄,AVR更低.
- 一种AVR和vFID的组合显示出在PCS患者和健康个体之间有很好的区分能力 (AUC:0.75).
- 较高的PCS严重性得分与较低的AVR相关,并且这种联系被较高的炎症参数放大.
结论:
- 长期内皮功能障碍,由微循环障碍证明,是PCS的标志,可能解释持续的症状.
- 视网膜血管分析 (RVA) 参数显示出作为PCS诊断和治疗管理的临床生物标志物的潜力.
- 这些发现强调了微血管健康在COVID-19的长期恢复中的作用.
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