研究目的
To describe the efficacy of laser and intravitreal injection of anti?vascular endothelial growth factor (anti-VEGF) agents for patients with symptomatic retinal arterial macroaneurysm (RAM).
研究成果
Focal laser photocoagulation was helpful for the management of ruptured or leaky RAM. Combined focal laser and intravitreal anti-VEGF agents could better reduce macular exudation caused by RAM. Additionally, Nd:YAG laser was a safe and effective method to remove the sub-ILM hemorrhage caused by RAM.
研究不足
The study has several limitations, including its retrospective nature and small sample size. It was difficult to find large numbers of patients for a higher statistical power in symptomatic RAM owing to its infrequent occurrence.
1:Experimental Design and Method Selection:
The study collected patients with exudative or hemorrhagic RAM treated by focal laser photocoagulation from 2009 to
2:Nd:
20YAG laser was performed in patients with subinternal limiting membrane (sub-ILM) hemorrhage. Intravitreal anti-VEGF agents were given in eyes with macular exudation as adjuncts.
3:Sample Selection and Data Sources:
Patients with exudative or hemorrhagic RAM were included. Those with follow-up periods of less than 3 months or with vision-threatening disorders other than RAM were excluded.
4:List of Experimental Equipment and Materials:
Nd:YAG laser (3000LE, Alcon Inc, Texas), green laser photocoagulation of 532 nm (MC-500, Nidek Inc, Tokyo, Japan), spectral-domain optical coherence tomography (SD-OCT; RTVue-100, Optovue Inc, CA), and intravitreal anti-VEGF agents (bevacizumab, ranibizumab, aflibercept).
5:Experimental Procedures and Operational Workflow:
Focal green laser photocoagulation was applied on macroaneurysms. Nd:YAG laser was used to break the ILM in patients with sub-ILM hemorrhage. Intravitreal anti-VEGF agents were given in eyes with macular exudation.
6:Data Analysis Methods:
Changes of visual acuity and central foveal thickness before and after treatment were recorded and compared with Wilcoxon signed-rank test.
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