斯塔格德病:印度人队列中的临床特征和基因型
Mythri K Rao1, Ramya R Nadig1, J Syed Ali Fathima Afrin2,3
1Shri Bhagwan Mahavir Vitreoretinal Service, Medical Research Foundation, Chennai, India.
Clinical genetics
|June 16, 2025
概括
这项研究详细介绍了印度队列中的斯塔格特病 (STGD),在80%以上的患者中发现了ABCA4基因突变. 临床特征和遗传变异与疾病进展和视力丧失相关.
科学领域:
- 眼科医生 眼科 眼科
- 遗传学 遗传学 是一个
- 视网膜疾病 视网膜疾病
背景情况:
- 斯塔格特病 (STGD) 是一种常见的遗传性黄斑变质症.
- 了解临床和遗传谱对于诊断和管理至关重要.
研究的目的:
- 在印度群体中描述STGD的临床特征和遗传变异.
- 为了将临床发现与疾病进展和视力敏度相关联.
主要方法:
- 49名STGD患者 (98只眼睛) 的回顾性审查.
- 评估包括彩色底部摄影,底部自光学 (FAF),光学连贯性断层扫描 (OCT),全场电网膜学 (FFERG) 和下一代测序 (NGS) 基因测试.
- 对人口统计数据,临床特征,成像,电生理学和基因型的分析.
主要成果:
- 发病时的中位数年龄为14岁,出现时为22岁.
- 在80%以上的患者中发现了ABCA4基因突变.
- 下部最佳校正视敏度 (BCVA) 与外斑块,中厚度减小 (CFT),III型FERG和特定的FAF模式相关.
- 较长的疾病持续时间与III型FAF和FERG发现相关.
结论:
- 印度的STGD队列呈现出早期发病,主要与ABCA4突变有关.
- FAF,OCT和FERG的发现是疾病严重程度和进展的有价值指标.
- 特定的ABCA4变异与晚期疾病发作有关.
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