使用布鲁赫膜开口最小边缘宽度光学连贯性断层扫描测量,比较青光斑与非青光斑视神经病变
Hirika Gosalia1, Karthik M Kumar1, A K Karan2
1Department of Neuro-Ophthalmology, Aravind Eye Hospital, Coimbatore, Tamil Nadu, India.
Indian journal of ophthalmology
|August 2, 2023
概括
光学连贯断层扫描 (OCT) 测量布鲁赫膜开口最小边缘宽度 (BMO-MRW) 可以区分青光斑和非青光斑视神经病变. 较低的BMO-MRW值表明青光斑视神经病变.
科学领域:
- 眼科医生 眼科 眼科
- 医疗成像医学成像
- 视神经病变是一种视觉神经病变.
背景情况:
- 由于疾病进展的变化,将青光斑与非青光斑视力缩区分开来是具有挑战性的.
- 光学连贯断层扫描 (OCT) 为视神经评估提供了先进的成像技术.
研究的目的:
- 为了使用基于OCT的Bruch膜开放最小边缘宽度 (BMO-MRW) 测量,比较眼和非眼视神经病变.
- 评估BMO-MRW在区分这些疾病中的诊断实用性.
主要方法:
- 一项涉及40只眼睛的研究:20只眼睛患有非玻璃眼光神经病变 (NGON),20只眼睛患有玻璃眼光神经病变 (GON).
- 所有参与者都接受了全面的眼科检查和OCT光盘扫描.
- 布鲁赫的膜开口最小边缘宽度 (BMO-MRW) 由OCT扫描计算出来.
主要成果:
- 使用五倍交叉验证的逻辑回归模型实现了0.95的曲线下的面积 (95% CI:0.86-1.00) 用BMO-MRW值来区分GON和NGON.
- 在患者中观察到明显较低的BMO-MRW测量,与格洛科马视神经病变 (GON) 相比,与非格洛科马视神经病变 (NGON) 相比.
结论:
- 基于OCT的BMO-MRW值显示出作为额外的诊断工具的希望.
- BMO-MRW可以帮助比较青光斑和非青光斑视神经病变,特别是在临床怀疑很高的情况下.
相关概念视频
Glaucoma: Overview
621
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
621
Open Angle Glaucoma: Treatment
480
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
480


