| Short-term Effectiveness of Intravitreal Triamcinolone Injection for Refractory Macular Edema Secondary to Branch Retinal Vein Occlusion. |
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Hyun Min Ahn, Kyoung Sub Choi |
1Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea.
2Department of Ophthalmology, National Health Insurance Service Ilsan Hospital, Goyang, Korea. Docchoi73@hanmail.net |
| 분지망막정맥폐쇄에 동반된 불응성 황반부종에서 유리체내 트리암시놀론 주사의 단기 치료 효과 |
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안현민1,2⋅최경섭2 |
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연세대학교 의과대학 안과학교실1, 국민건강보험 일산병원 안과2 |
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| Abstract |
PURPOSE
To evaluate the short-term efficacy of intravitreal triamcinolone (IVTA) injection for the treatment of macular edema secondary to branch retinal vein occlusion (BRVO) refractory to intravitreal bevacizumab injections. METHODS: This retrospective, observational study included 23 eyes of 23 patients with macular edema secondary to BRVO. The patients with macular edema unresponsive to 2 or more consecutive monthly intravitreal bevacizumab injections were treated with IVTA. Best-corrected visual acuity (BCVA) and central foveal thickness (CFT) based on optical coherence tomography were evaluated before IVTA and 1 month and 3 months after IVTA injections. RESULTS: All patients were previously treated with 3.4 ± 1.2 intravitreal bevacizumab injections. The IVTA injection was performed at 4.3 ± 1.7 weeks after the last bevacizumab injection. The logarithm of the minimal angle of resolution (log MAR) BCVA was also decreased from 0.61 ± 0.45 to 0.52 ± 0.35 after 1 month and to 0.58 ± 0.37 after 3 months of IVTA, although without statistical significance (p = 0.114 and 0.412, respectively). Eight eyes (34.8%) showed more than 3 lines improvement of BCVA and 4 eyes (17.4%) showed stable BCVA increasing 2 lines or less. CFT was significantly improved from 512 ± 166 µm to 310 ± 139 µm after 1 month and to 324 ± 159 µm after 3 months of IVTA injections (p = 0.014 and 0.031, respectively). CONCLUSIONS: IVTA was beneficial in some patients with macular edema secondary to BRVO refractory to intravitreal bevacizumab therapy. This study indicates that IVTA could be considered as a treatment option for refractory macular edema associated with BRVO. |
| Key Words:
Anti-vascular endothelial growth factor;Bevacizumab;Branch retinal vein occlusion;Refractory macular edema;Triamcinolone |
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