通过光谱域光学连贯性断层扫描血管学改善分析,用于评估脱皮综合征中的血管损伤
Rongpei Zhang1, Bingying Lin1, Hairui Zhang2
1State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China.
Photodiagnosis and photodynamic therapy
|February 11, 2025
概括
脱皮综合征 (XFS) 患者表现出微血管损伤,由OCT血管学检测出扩大状血管区 (FAZ) 和降低血管密度 (VD). 这些变化与系统性标记物如同类半氨酸 (Hcy) 相关联,表明血液循环问题.
科学领域:
- 眼科医生 眼科 眼科
- 医疗成像医学成像
- 心血管研究研究心血管研究
背景情况:
- 脱皮综合征 (XFS) 是二次光眼和白内障的常见原因.
- 微血管功能障碍越来越被认为是导致眼部疾病的一个因素.
- 谱域光学连贯断层扫描血管学 (OCTA) 提供了一种非侵入性方法来评估视网膜微血管.
研究的目的:
- 用OCTA评估XFS患者的微血管损伤.
- 调查XFS中OCTA参数和系统性血液标记物之间的相关性.
- 为了确定 XFS 的 OCTA 参数的预测能力.
主要方法:
- 一项横截面研究,比较了21只XFS眼睛和23只健康的眼睛.
- 测量的OCTA参数包括表面 (SVC) 和深层 (DVC) 血管复合体中的状无血管区 (FAZ) 面积和血管密度 (VD).
- 分析的全身血液参数是同型氨酸 (Hcy),中性粒细胞与淋巴细胞的比率 (NLR) 和血小板与淋巴细胞的比率 (PLR).
主要成果:
- 与对照组相比,XFS患者在SVC中显著扩大FAZ区域并减少VD.
- 在XFS眼中观察到SVC和DVC的外部上部 (OS) 和外部下部 (OI) 部门的病理损伤.
- 在XFS患者中,SVC的FAZ区域和OS VD与Hcy水平相关,与NLR和PLR负相关.
结论:
- 来自OCTA的FAZ区域和VD地图有效地检测XFS中的微血管损伤.
- 在XFS中 fundus微血管的改变与全身循环系统的变化有关.
- OCTA参数显示了预测XFS的潜力.
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