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Six-month results of intravitreal ranibizumab for macular edema after branch retinal vein occlusion in a single-center prospective study: visual outcomes and microaneurysm formation

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Title: Six-month results of intravitreal ranibizumab for macular edema after branch retinal vein occlusion in a single-center prospective study: visual outcomes and microaneurysm formation
Authors: Kawamura M, Hirano Y, Yoshida M, Mizutani T, Sugitani K, Yasukawa T, Ogura Y
Source: Clinical Ophthalmology, Vol Volume 12, Pp 1487-1494 (2018)
Publisher Information: Dove Medical Press, 2018.
Publication Year: 2018
Collection: LCC:Ophthalmology
Subject Terms: branch retinal vein occlusion, macular edema, microaneurysm, ranibizumab, Ophthalmology, RE1-994
More Details: Mihoko Kawamura, Yoshio Hirano, Munenori Yoshida, Takeshi Mizutani, Kazuhiko Sugitani, Tsutomu Yasukawa, Yuichiro Ogura Department of Ophthalmology & Visual Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan Purpose: The aim of this study is to report the 6-month results after one intravitreal ranibizumab (IVR) injection followed by pro re nata dosing for macular edema (ME) after branch retinal vein occlusion.Patients and methods: The inclusion criteria included a minimal patient age of 18 years, 20 letters or more best-corrected visual acuity (BCVA) (Early Treatment Diabetic Retinopathy Study [ETDRS] score, 77 letters or less), and central retinal thickness (CRT) of 250 microns or more. The primary outcome measure was the mean BCVA change from baseline at month 6; the secondary outcomes were mean changes in CRT, residual ME, and microaneurysm formation.Results: Twenty patients were enrolled from March 2014 through October 2016 at Nagoya City University Hospital. The baseline mean ETDRS letters and CRT were 63.1 and 500 microns, respectively; mean time from symptom onset to initial therapy was 1.80 months; and mean ETDRS gain and CRT reduction were 15.2 letters and 230 microns, respectively. The percentages of patients with Snellen equivalent BCVAs of 20/40 (70 ETDRS letters) or better and 20/20 (85 ETDRS letters) were 90% and 15%, respectively. Residual ME and microaneurysms were observed in 85% and 35% of patients. Microaneurysm formation was associated with delayed initial therapy.Conclusion: Prompt initiation of IVR injection provided a better visual prognosis at month 6 and suppressed the microaneurysm formation. Keywords: branch retinal vein occlusion, macular edema, microaneurysm, ranibizumab, prompt treatment
Document Type: article
File Description: electronic resource
Language: English
ISSN: 1177-5483
Relation: https://www.dovepress.com/six-month-results-of-intravitreal-ranibizumab-for-macular-edema-after--peer-reviewed-article-OPTH; https://doaj.org/toc/1177-5483
Access URL: https://doaj.org/article/110964b6729440d2bf9e055bee5f4980
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  Data: Six-month results of intravitreal ranibizumab for macular edema after branch retinal vein occlusion in a single-center prospective study: visual outcomes and microaneurysm formation
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  Data: Clinical Ophthalmology, Vol Volume 12, Pp 1487-1494 (2018)
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  Data: <searchLink fieldCode="DE" term="%22branch+retinal+vein+occlusion%22">branch retinal vein occlusion</searchLink><br /><searchLink fieldCode="DE" term="%22macular+edema%22">macular edema</searchLink><br /><searchLink fieldCode="DE" term="%22microaneurysm%22">microaneurysm</searchLink><br /><searchLink fieldCode="DE" term="%22ranibizumab%22">ranibizumab</searchLink><br /><searchLink fieldCode="DE" term="%22Ophthalmology%22">Ophthalmology</searchLink><br /><searchLink fieldCode="DE" term="%22RE1-994%22">RE1-994</searchLink>
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  Data: Mihoko Kawamura, Yoshio Hirano, Munenori Yoshida, Takeshi Mizutani, Kazuhiko Sugitani, Tsutomu Yasukawa, Yuichiro Ogura Department of Ophthalmology & Visual Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan Purpose: The aim of this study is to report the 6-month results after one intravitreal ranibizumab (IVR) injection followed by pro re nata dosing for macular edema (ME) after branch retinal vein occlusion.Patients and methods: The inclusion criteria included a minimal patient age of 18 years, 20 letters or more best-corrected visual acuity (BCVA) (Early Treatment Diabetic Retinopathy Study [ETDRS] score, 77 letters or less), and central retinal thickness (CRT) of 250 microns or more. The primary outcome measure was the mean BCVA change from baseline at month 6; the secondary outcomes were mean changes in CRT, residual ME, and microaneurysm formation.Results: Twenty patients were enrolled from March 2014 through October 2016 at Nagoya City University Hospital. The baseline mean ETDRS letters and CRT were 63.1 and 500 microns, respectively; mean time from symptom onset to initial therapy was 1.80 months; and mean ETDRS gain and CRT reduction were 15.2 letters and 230 microns, respectively. The percentages of patients with Snellen equivalent BCVAs of 20/40 (70 ETDRS letters) or better and 20/20 (85 ETDRS letters) were 90% and 15%, respectively. Residual ME and microaneurysms were observed in 85% and 35% of patients. Microaneurysm formation was associated with delayed initial therapy.Conclusion: Prompt initiation of IVR injection provided a better visual prognosis at month 6 and suppressed the microaneurysm formation. Keywords: branch retinal vein occlusion, macular edema, microaneurysm, ranibizumab, prompt treatment
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        Type: general
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