在Nd:YAG激光囊切除术后斑点微血管结构的变化:一项OCT-A研究
Yusuf Samet Atlıhan1, Çisil Erkan Pota2, Aslı Çetinkaya Yaprak2
1Department of Ophthalmology, Akdeniz University Hospital, 07070, Antalya, Konyaaltı, Turkey. ysf20smt@gmail.com.
International ophthalmology
|September 27, 2025
概括
新:--石榴石 (Nd:YAG) 激光囊切除术可能会降低视网膜血流和血管密度,正如光学连贯断层扫描血管学 (OCT-A) 所示. 需要进一步的研究来了解这些微血管变化的临床意义.
科学领域:
- 眼科医生 眼科 眼科
- 医疗成像医学成像
- 血管生物学 血管生物学
背景情况:
- 后囊模糊化 (PCO) 是白内障手术后的一个常见并发症.
- 新:--石榴石 (Nd:YAG) 激光囊切除术是治疗PCO的标准程序.
- 这种手术后潜在的微血管变化尚不清楚.
研究的目的:
- 在 Nd:YAG 激光囊切除术后,研究视网膜和胆 ?? 囊中的微血管变化.
- 评估光学连贯断层扫描血管学 (OCT-A) 在监测这些变化的有用性.
主要方法:
- 包括34名接受Nd:YAG激光囊切除术的34名患者的34只眼睛.
- 眼科检查和OCT-A是在手术前,手术后1周和1个月进行的.
- 评估的参数包括视网膜厚度,质细胞层 (GCL),视网膜神经纤维层 (RNFL),以及表面 (SCP) 和深层 (DCP) 毛细管和胆管毛细管 (CC) 中的血管密度.
主要成果:
- Nd:YAG激光囊切除术导致前腔深度 (ACD) 增加,状血管区域 (FAZ) 扩大.
- 在中央SCP和DCP中观察到血管密度的显著下降 (p < 0.001).
- 在一些偏和CC象限中也注意到了减少;在IOP,SE,AL,黄斑或胸膜厚度中没有发现显著变化.
结论:
- Nd:YAG激光囊切除可能导致视网膜血流和血管密度的减少.
- 这些微血管变化的临床意义需要进一步调查.
- OCT-A是一种有前途的非侵入性工具,用于在手术后监测视网膜微循环,但需要进行纵向研究.
更多相关视频
09:56In Vivo Multimodal Imaging and Analysis of Mouse Laser-Induced Choroidal Neovascularization Model
Published on: January 21, 2018
9.8K
07:18Evaluation of Capillary and Other Vessel Contribution to Macular Perfusion Density Measured with Optical Coherence Tomography Angiography
Published on: February 18, 2022
2.1K
相关概念视频
01:27Open Angle Glaucoma: Treatment
917
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...
917
01:28Angle Closure Glaucoma: Treatment
1.1K
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
1.1K