局部拉坦诺普罗斯特0.005%治疗对视神经头部和斑点的微血管变化的影响
Büşra D Yıldırım Erdal1, Gözde Hondur, Serdar Bayraktar
1Department of Ophthalmology, University of Health Sciences, Ulucanlar Eye Training and Research Hospital, Ankara, Turkey.
Indian journal of ophthalmology
|October 25, 2024
概括
局部拉坦诺普罗斯特0.005%最初增加了初级开角青光眼患者的视神经头部和斑点中的微血管密度. 然而,这些变化在三个月后恢复到基线,这表明了补偿机制.
科学领域:
- 眼科医生 眼科 眼科
- 玻璃眼研究研究 玻璃眼研究
- 眼睛的微循环 眼睛的微循环
背景情况:
- 主要开角青光眼 (POAG) 是不可逆转失明的主要原因.
- 眼内压力 (IOP) 降低是治疗的主要目标.
- 降低内血压的药物对眼睛微血管系统的影响需要进一步研究.
研究的目的:
- 评估局部拉坦诺普罗斯特0.005%对POAG患者视神经头部 (ONH) 和斑点的微血管结构的影响.
- 为了评估在治疗期间不同时间点血管密度 (VD) 的变化.
主要方法:
- 前性研究包括31名POAG受试者的57只眼睛.
- 光学连贯断层扫描血管造影 (OCTA) 用于测量ONH (全图像和周周) 和黄斑血管密度.
- 测量是在治疗前,治疗后1个月和3个月进行的.
主要成果:
- 局部拉坦诺普罗斯特显著降低了IOP17.0 ± 2.3 mmHg在1个月后和16.3 ± 2.5 mmHg在3个月后 (P < 0.001).
- 一个月后,ONH和黄斑血管密度显著急剧增加 (P ≤ 0.013),在3个月后恢复到基线 (P > 0.05).
- 没有观察到深层毛细管或状血管区域的显著变化.
结论:
- 最初的ONH和黄斑血管密度的增加很可能是由于latanoprost的急性IOP降低.
- 3个月后恢复到基线VD表明眼睛微血管系统中的补偿机制,以应对持续较低的IOP.
- 需要进一步的研究来了解这些适应的长期影响.
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