广场OCTA量化的外围非 perfusion 区域预测了亚临床新血管化的风险
An-Lun Wu1,2, Yukun Guo1,3, Tristan T Hormel1
1Casey Eye Institute, Oregon Health & Science University, Portland, OR, USA.
Eye (London, England)
|July 2, 2025
概括
单射宽场扫描源OCT血管学 (SS-OCTA) 检测非增殖性糖尿病视网膜病变 (NPDR) 中的亚临床视网膜新血管化 (RNV). 较高的非 perfusion 区域 (NPA) 指数与RNV的风险增加相关.
科学领域:
- 眼科医生 眼科 眼科
- 医疗成像医学成像
- 糖尿病视网膜病变研究研究
背景情况:
- 非增殖性糖尿病视网膜病变 (NPDR) 可以发展为危及视力的并发症.
- 早期发现亚临床视网膜新血管化 (RNV) 对于及时干预至关重要.
- 目前的诊断方法可能无法在NPDR中识别RNV的所有早期迹象.
研究的目的:
- 评估一次性广场扫描源OCT血管学 (SS-OCTA) 在检测亚临床RNV的有效性.
- 用NPDR量化眼睛中的非 perfusion 区域 (NPA).
- 探索NPA和亚临床RNV存在之间的关系.
主要方法:
- 在37只中度至重度NPDR的眼睛中进行了SS-OCTA成像.
- 亚临床RNV是由专家评分员使用面对面的OCT,面对面的OCTA和横截面的OCTA来确定的.
- 非 perfusion 区域 (NPA) 指数被计算为总成像面积的百分比.
主要成果:
- 亚临床RNV在37.8%的眼睛中被检测出来.
- 与没有RNV的眼睛相比,具有RNV的眼睛显示出明显更高的中端外围和总NPA指数.
- 总NPA指数在检测亚临床RNV方面表现出良好的诊断准确性 (AUC:0.761).
结论:
- 广场SS-OCTA在NPDR中有效识别亚临床RNV.
- 中端外围NPA指数升高与亚临床RNV的可能性更高有关.
- NPA指数可以作为一种有价值的生物标志物,用于识别面临RNV进展风险的眼睛.
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