临床特征 开放角眼的进展与周围毛囊微血管在不同位置的脱落
Jihei Sara Lee1, Youngmin Park1, Sungeun Park1
1Department of Ophthalmology, Severance Hospital, Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea.
Eye (London, England)
|August 3, 2023
概括
眼睛中的微血管滴 (MvD) 在开角青光眼 (OAG) 眼睛中表明结构进展更快,特别是在眼内压力 (IOP) 波动时的下象限. 时间性MvD与IOP波动的相关性较小.
科学领域:
- 眼科医生 眼科 眼科
- 玻璃眼研究研究 玻璃眼研究
- 微血管成像技术 微血管成像技术
背景情况:
- 开角光眼 (OAG) 是不可逆转失明的主要原因.
- 在OAG中,越来越多地识别了周周皮质冠状腺微血管滴 (MvD).
- 了解MvD对青光眼进展的影响对于患者管理至关重要.
研究的目的:
- 为了调查周周毛囊胆道MvD的位置和OAG中的结构进展之间的关联.
- 为了确定临床特征,特别是眼内压 (IOP) 波动,影响在MvD的存在下青光眼的进展.
主要方法:
- 在OCT血管学 (OCTA) 上分析了181个OAG眼睛的队列.
- 眼睛根据MvD位置进行分类:时间象限或下象限.
- 使用指导式进展分析 (GPA) 软件评估结构性进展,并根据年龄,IOP和基线RNFL厚度进行调整.
主要成果:
- 下部MvD眼睛与部MvD眼睛相比,表现出明显更快的下部RNFL稀释,特别是在更高的长期IOP波动 (P=0.022).
- 长期的IOP波动独立地与较低RNFL在较低MvD眼睛的稀释有关 (P=0.002).
- 没有发现IOP波动和RNFL稀释在时间MvD眼睛之间有显著的关联.
结论:
- 虽然整体RNFL和GCIPL的稀释率与MvD位置相似,但当IOP波动时,劣质MvD与下方象限的加速稀释有关.
- 暂时性MvD似乎不那么容易受到IOP波动诱导的结构性进展.
- 这些发现强调了MvD位置和IOP稳定性在预测OAG进展方面的重要性.
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