前段扫描源光学连贯性断层扫描的诊断标准,以检测视镜角度闭合的探测
Philip Yawen Guo1, Xiulan Zhang2, Fei Li2
1Department of Ophthalmology, The University of Hong Kong, Pok Fu Lam, People's Republic of China.
The British journal of ophthalmology
|April 9, 2024
概括
360°前段光学连贯断层扫描 (AS-OCT) 的规范百分位为检测角关闭提供了优越的诊断性能,而不是与虹膜直径接触 (ITC) 标准相比. 这种方法提供了更好的灵敏度和特异性,用于识别视镜角度闭合.
科学领域:
- 眼科医生 眼科 眼科
- 解剖成像 解剖成像 解剖成像
- 青光眼的诊断 青光眼的诊断
背景情况:
- 视角关闭是绿眼病的一个关键风险因素.
- 准确检测角度闭合对于及时干预至关重要.
- 前段光学连贯断层扫描 (AS-OCT) 提供了一种非接触式的角度评估方法.
研究的目的:
- 为了比较来自360°AS-OCT的规范百分点切线的诊断准确性,与虹膜沟接触 (ITC) 标准.
- 为了评估不同百分点值 (第5和第10) 的角度开放距离 (AOD500) 和状虹膜空间面积 (TISA500) 的有效性.
主要方法:
- 一项多中心研究,涉及394名健康个体进行规范性数据和119名健康和170名角度闭合患者进行测试.
- 导出AOD500和TISA500的年龄和位置特定的规范百分位数.
- 接收器操作特征 (ROC) 曲线分析,以比较第10百分位数,第5百分位数和ITC标准的诊断性能.
主要成果:
- 对于AOD500的第10个百分位标准显示了ROC曲线下的最高面积 (0.933),优于ITC标准 (0.852).
- 第10个百分点的标准实现了87.6%的灵敏度和84.9%的特异性,用于检测视镜角度闭合.
- 统计学显著性 (p<0.001) 观察到第10百分点的优越性标准,即使经过调整年龄和轴长.
结论:
- 与360° AS-OCT相比,规范百分点切线为角关闭检测提供了优越的诊断性能,与ITC相比.
- AOD500测量的第10个百分位代表了识别视镜角度闭合的强有力的标准.
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