2017 - 2 Issue

Original article

Two-year follow-up Results of Patients with Macular Edema due to Retinal Vein Occlusion Treated with Ranibizumab

Zuzana Hladíková
Eva Klofáčová – Bohdana Kalvodová

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Published in Czech and Slovak Ophtalmology: 2017 - 2

Published on website: 12.07.2017

Keywords: macular oedema, ranibizumab, retinal vein occlusion, central retinal vein occlusion, branch retinal vein occlusion, 2-year follow-up

Summary

Purpose: To evaluate 2-year follow-up results of patients with macular oedema (ME) caused by central (CRVO) and branch (BRVO) retinal vein occlusion treated with intravitreal ranibizumab at the Department of Ophthalmology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Czech Republic.

Methods: Retrospective study.

Results: The 2-year follow-up was completed by 18 patients with ME caused by CRVO and 16 patients with ME caused by BRVO. In CRVO group mean age at diagnosis was 63 years, mean interval from diagnosis to the beginning of treatment was 3,6 months. During the first year of treatment the mean improvement of best corrected visual acuity (BCVA) was 17,4 letters of Early Treatment Diabetic Retinopathy Study (ETDRS) optotype, during the second year +2,4 letters. Mean number of injections was 6,8 in the first and 3,6 in the second year of treatment, mean total of 10,2 injections. In BRVO group the mean age at diagnosis was 68 years, mean interval from diagnosis to the beginning of treatment 6 month, mean gain in BCVA was +18,7 letters in the first and +1 letters in the second year of treatment, mean number of injections was 7 and 3,2 respectively, mean total of 9,6 injections. In both groups neither ocular nor systemic serious adverse effects were noted. 

Conclusion: According to our results intravitreal ranibizumab is a safe and effective treatment for ME caused by retinal vein occlusion. Our results in BRVO group were in accordance with published international studies – BRAVO (BRVO) +18,3 letters, HORIZON -0,7 and even slightly better in CRVO group - CRUISE (CRVO) +13,9 letters, HORIZON study -4,1 letters

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