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视网膜微血管结构的碎形变化在鸟胆色素变异的鸟胆色素变异

Kaersti L Rickels, Marco Ji, Ahmed Shakarchi

Ophthalmic surgery, lasers & imaging retina

|July 22, 2024

概括

鸟射胆红蛋白病变 (BSCR) 与视网膜血管网络中的碎形维度 (FD) 降低有关. 分析显示,BSCR患者的表面和深层毛细管和胆管显著减少了FD.

科学领域:

眼科医生眼科眼科
医疗成像医学成像
定量生物学定量生物学

背景情况:

视网膜血管疾病通常以减少的碎形维度 (FD) 为特征.
鸟胆红蛋白病 (BSCR) 是一种罕见的炎症性疾病,影响胆膜和视网膜.

研究的目的:

为了研究和量化与鸟射胆色素病变 (BSCR) 患者的视网膜血管网络的碎形维度 (FD).
确定FD分析是否可以作为BSCR血管变化的生物标志物.

主要方法:

一个回顾性队列研究,涉及光学连贯性断层扫描血管学 (OCTA).
使用ImageJ软件分析表面毛细管 (SCP),深毛细管 (DCP) 和胆管 (CC) 中的碎形维度 (FD).
用BSCR的28只眼睛和34只对照眼睛之间的FD值的比较.

主要成果:

在所有分析的血管层中,BSCR患者的平均FD显着较低:SCP (P < 0.001),DCP (P < 0.001) 和CC (P = 0.036).
在SCP中较低的FD与年龄的增加相关 (P = 0.014).
男性BSCR患者在DCP中表现出较低的FD (P = 0.043).

结论:

碎形分析表明,在BSCR中,表面和深层毛细管,以及在较小程度上是choriocapillaris的显著参与.
在BSCR中,FD可以作为血管变化的定量标记.

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