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Updated: Jan 7, 2026

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光学一致性断层扫描血管图学特征和视网膜动脉宏动脉瘤的基于流量分类

Mohamed Oshallah¹, Anastasios E Sepetis¹, Antonio Valastro²

¹Ophthalmology Department, University Hospital Southampton, Tremona Road, Southampton SO16 6YD, UK.

Journal of clinical medicine

|December 30, 2025

概括

光学一致性断层扫描血管学 (OCTA) 通过流动信号有效地对视网膜动脉大动脉瘤 (RAM) 进行分类,类似于传统的 fundus fluorescein血管学 (FFA). 这种基于OCTA的分类有助于RAM的预后和治疗决策.

科学领域:

眼科医生眼科眼科
医疗成像医学成像
视网膜血管疾病视网膜血管疾病

背景情况:

视网膜动脉大动脉瘤 (RAMs) 是血管异常,需要准确的诊断方法.
体光素血管造影 (FFA) 是RAMs的标准成像技术,但涉及系统注射.
光学连贯断层扫描血管图 (OCTA) 为可视化视网膜血管提供了一个非侵入性的替代方案.

研究的目的:

建议并评估使用OCTA对RAM的基于流量信号的分类系统.
为了比较OCTA与FFA在评估RAM流量配置中的诊断性能.
确定OCTA在管理RAM中的临床实用性.

主要方法:

在6年内对49例RAM病例 (30只眼睛) 的回顾性审查.
分析OCTA (面部和B扫描) 和FFA图像用于RAM病理和流动.
基于OCTA的发现,将RAM分为高,低和不存在的流量信号类型.
在一小组患者中,直接比较OCTA流量概况与FFA发现.

主要成果:

OCTA成功地将RAM分为三个流信号类型:高 (9眼),低 (10眼) 和缺席 (9眼).
FFA的发现与OCTA相似,显示高 (4眼),低 (6眼) 和缺席 (2眼) 流量.
在OCTA和FFA流量评估之间观察到强烈的相关性 (斯皮尔曼r = 0.79,p = 0.004).
一个差异指出FFA显示流量,但OCTA没有,突出了潜在的差异.

结论:

根据流量信号,OCTA提供了一种可靠且非侵入性的方法来对RAM进行分类.
OCTA的调查结果与FFA的调查结果直接可比,提供了更安全的替代方案.
拟议的基于OCTA的分类可能会改善RAM预后,治疗指导和后续策略.

关键词:

在FFA和FFA之间.八国合作组织 (OCTA)血管造影 - 血管造影一个巨大的神经瘤发作.

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