scholarly journals Epidemiology, Prevalence and Incidence in Branch Retinal Vein Occlusion and Macular Edema

2019 ◽  
pp. 65-67
Keyword(s):  
Visual Acuity ◽  
Macular Edema ◽  
Retinal Vein Occlusion ◽  
Branch Retinal Vein Occlusion ◽  
Older Patients ◽  
Visual Loss ◽  
Retinal Ischemia ◽  
Vein Occlusion ◽  
Retinal Vascular Disease ◽  
Central Retinal Vein

Retinal vein occlusion (RVO) is the second most common retinal vascular disease after diabetic retinopathy. RVO exists in two subtypes: CRVO (central retinal vein occlusion), which is less common and represents occlusion of the central retinal vein, and BRVO (branch retinal vein occlusion), which is 4-6 times more common and represents occlusion of some branches of central retinal vein. RVO is a relatively common and frequently devastating cause of visual loss mainly in older patients. Its prevalence varies according to studies in overall populations from 5.2 to 16 per 1000. Visual acuity is primarily decreased due to macular edema and retinal ischemia.

Epidemiology, Prevalence, and Incidence in Central Retinal Vein Occlusion and Macular Edema

2019 ◽  
pp. 2-4
Keyword(s):  
General Population ◽  
Macular Edema ◽  
Retinal Vein Occlusion ◽  
Central Retinal Vein Occlusion ◽  
Visual Loss ◽  
Retinal Ischemia ◽  
Common Cause ◽  
Vein Occlusion ◽  
Common Causes ◽  
Central Retinal Vein

Retinal vein occlusion (RVO) is one of the most common causes of acquired retinal vascular anomalies in adults and is a common cause of visual loss. There is little data on the prevalence of RVO in the general population, although it is at least as early as 1855 and there are more than 3000 publications. The number of studies on the incidence of RVO is relatively small. Reduced vision in patients affected by RVO can result from retinal ischemia and/or accumulation of fluid in the center of the retina (macular edema). In this review, studies on epidemiology, prevalence, and incidence in central retinal vein occlusion and macular edema were summarized and evaluated.

scholarly journals Subthreshold Micropulse Photocoagulation for Persistent Macular Edema Secondary to Branch Retinal Vein Occlusion including Best-Corrected Visual Acuity Greater Than 20/40

2014 ◽  
Vol 2014 ◽  
pp. 1-10 ◽  
Author(s):  
Keiji Inagaki ◽  
Kishiko Ohkoshi ◽  
Sachiko Ohde ◽  
Gautam A. Deshpande ◽  
Nobuyuki Ebihara ◽  
...  
Keyword(s):  
Visual Acuity ◽  
Macular Edema ◽  
Retinal Vein Occlusion ◽  
Branch Retinal Vein Occlusion ◽  
Disease Onset ◽  
Vein Occlusion ◽  
Corrected Visual Acuity ◽  
Group I ◽  
Group Ii ◽  
Best Corrected Visual Acuity

To assess the efficacy of subthreshold micropulse diode laser photocoagulation (SMDLP) for persistent macular edema secondary to branch retinal vein occlusion (BRVO), including best-corrected visual acuity (BCVA) > 20/40, thirty-two patients (32 eyes) with macular edema secondary to BRVO were treated by SMDLP. After disease onset, all patients had been followed for at least 6 months prior to treatment. Baseline Snellen visual acuity was used to categorize the eyes as BCVA ≤ 20/40 (Group I) or BCVA > 20/40 (Group II). Main outcome measures were reduction in central macular thickness (CMT) in optical coherence tomography (OCT) and BCVA at 6 months. In the total subject-pool at 6 months, BCVA had not changed significantly but CMT was significantly reduced. Group I exhibited no significant change in CMT at 3 months but exhibited significant reductions at 6 and 12 months. Group II exhibited a marginally significant reduction in CMT at 3 months and a significant reduction at 6 months. In patients with persistent macular edema secondary to BRVO, SMDLP appears to control macular edema with minimal retinal damage. Our findings suggest that SMDLP is an effective treatment method for macular edema in BRVO patients with BCVA > 20/40.

scholarly journals Spectral domain optical coherence tomography (SD OCT) pattern of macular edema and visual acuity in recent-onset branch retinal vein occlusion (BRVO) in a tertiary hospital

2018 ◽  
Vol 7 (3) ◽  
pp. 89-93
Author(s):  
Kiran Shakya ◽  
Ram Prasad Pokhrel ◽  
Om Krishna Malla
Keyword(s):  
Visual Acuity ◽  
Macular Edema ◽  
Retinal Vein Occlusion ◽  
Branch Retinal Vein Occlusion ◽  
Spectral Domain ◽  
Hypertensive Group ◽  
Vein Occlusion ◽  
Corrected Visual Acuity ◽  
Stage 1 ◽  
Best Corrected Visual Acuity

Background: Macular edema is the common sight-threatening condition following branch retinal vein occlusion. Objective: To find spectral domain optical coherence tomography characteristics of macular involvement and visual acuity in the patients with branch retinal vein occlusion Methodology: This is a cross-sectional study; consecutive new cases of branch retinal vein occlusion diagnosed at the ophthalmology department of Kathmandu Medical College, Kathmandu were carried out from November 2016 to October 2017. All subjects were divided three groups with normotensive/controlled hypertension, stage 1 hypertension (systolic pressure >140 mm Hg or diastolic pressure >90mm Hg) and Stage 2 hypertension (systolic pressure >160 mm Hg or diastolic pressure >100 mm Hg).The macular edema was evaluated by taking best corrected visual acuity and spectral domain optical coherence tomography for measurement of central foveal thickness. Results: Forty patients with forty eyes were enrolled. Mean age was 58.5 years SD ± 9.98 years. Stage 1 and stage 2 hypertensive groups had significantly worse best corrected visual acuity and more thickness of central foveal thickness than normotensive/controlled group (p<0.001). The best corrected visual acuity and central foveal thickness were successively worse among normotensive group, stage 1 hypertensive group and stage 2 hypertensive group (between normotensive/controlled group and stage 1 hypertensive group, p = 0.032 and 0.002 respectively and between stage I hypertensive group and stage 2 hypertensive group, p= 0.013 and 0.09 respectively). Conclusion: Control of hypertension could be a main contributing measure to lower incidence of branch retinal vein occlusion and the severity of macular edema.

scholarly journals Pharmacological intravitreal treatment for macular edema in branch retinal vein occlusion: Three-month results

2015 ◽  
Vol 68 (9-10) ◽  
pp. 295-300
Author(s):  
Jelena Karadzic ◽  
Igor Kovacevic ◽  
Jelena Ljikar ◽  
Zorka Grgic ◽  
Gordana Devecerski
Keyword(s):  
Visual Acuity ◽  
Macular Edema ◽  
Retinal Vein Occlusion ◽  
Branch Retinal Vein Occlusion ◽  
Structural Damage ◽  
Intravitreal Bevacizumab ◽  
Vein Occlusion ◽  
Clinical Center ◽  
Permanent Loss ◽  
Novi Sad

Introduction. Macular edema is the main cause of visual loss in patients with branch retinal vein occlusion. Macular edema is initially reversible, but over time, permanent loss of vision occurs from structural damage to the macula. For this reason, there is a need for more rapid and effective treatments than laser photocoagulation which has been established as a gold standard. There are several pharmacologic agents which have changed the management of macular edema. Material and Methods. Twenty eyes of 20 consecutive patients of the Department of Eye Diseases, Clinical Center of Vojvodina, in Novi Sad, were enrolled in this prospective, randomized and consecutive study conducted from January 2012 to January 2013. The patients were randomly assigned into two treatment groups, and they were given an intravitreal injection of bevacizumab 1.25 mg/0.05 mL (Avastin?), or triamcinolone acetonid injection 4 mg/0.1mL (Kenalog?). Reinjections were performed according to the following retreatment criteria a loss of visual acuity or increase in central retinal thickness. Results. Both intravitreal bevacizumab and triamcinolonacetonid were very effective in reducing macular edema and improving visual acuity in the eyes with macular edema secondary to retinal vein occlusion. The effect of the treatment was more pronounced if it started early after the onset of macular edema. The reported temporary effects of intravitreal triamcinolon- acetonide and bevacizumab could be explained by their clearance from the eye. Conclusion. The short-term results of our clinical trial showed that pharmacological intravitreal agents, such as bevacizumab and triamcinolon-acetonid, lead to rapid resolution of macular edema and significant improvement of visual acuity.

scholarly journals Intravitreal Steroid Injections in Macular Edema due to Central Retinal Vein Occlusion

2019 ◽  
pp. 38-44
Keyword(s):  
Visual Acuity ◽  
Macular Edema ◽  
Retinal Vein Occlusion ◽  
Central Retinal Vein Occlusion ◽  
Side Effect ◽  
Lamina Cribrosa ◽  
Initial Application ◽  
Vein Occlusion ◽  
Intravitreal Dexamethasone ◽  
Central Retinal Vein

Retinal vein occlusion is the most common retinal vascular disease after diabetic retinopathy. An occlusion that affects the entire retinal venous system at the level of the lamina cribrosa is called central retinal vein occlusion (CRVO). One of the major complications that threaten visual acuity in CRVO patients is macular edema. Intravitreal dexamethasone implant is widely used in the treatment of macular edema. Efficacy has been shown in terms of short-term edema resolution and increased visual acuity. It seems that the effect on the macula decreases on average in the third month. It is a good option for patients who need to reduce the number of visits. There is no additional side effect except an increase in the incidence of cataracts with recurrent injections. Increasing of intraocular pressure appears to be a tolerable side effect. Their activities are reduced when they are done every six months or when the initial application period is long. Intravitreal steroid treatment is an effective alternative for macular edema secondary to CRVO.

Comparison of ranibizumab and subthreshold micropulse laser in treatment of macular edema secondary to branch retinal vein occlusion

2018 ◽  
Vol 28 (6) ◽  
pp. 690-696 ◽  
Author(s):  
Yelda Buyru Özkurt ◽  
Sezen Akkaya ◽  
Sibel Aksoy ◽  
Mert Hakan Şimşek
Keyword(s):  
Visual Acuity ◽  
Macular Edema ◽  
Laser Treatment ◽  
Retinal Vein Occlusion ◽  
Branch Retinal Vein Occlusion ◽  
Intravitreal Ranibizumab ◽  
Micropulse Laser ◽  
Vein Occlusion ◽  
Subthreshold Micropulse Laser ◽  
The Mean

Purpose: To compare the effects of intravitreal ranibizumab injection and yellow (577 nm) subthreshold micropulse laser treatment in patients with macular edema following non-ischemic branch retinal vein occlusion. Methods: The medical records of 51 patients who underwent intravitreal ranibizumab (0.5 mg) injection or subthreshold micropulse laser for the treatment of macular edema due to branch retinal vein occlusion were retrospectively reviewed. Subthreshold micropulse laser was administered with a 10% duty cycle, 100 μm spot diameter, 200 ms exposure time. The patients received an injection or laser treatment at baseline and were, then, retreated as needed and were followed for 12 months. The mean best corrected visual acuity changes over the follow-up and the decrease in the mean central macular thickness were evaluated. Results: A total of 27 and 24 patients were assigned to intravitreal ranibizumab and subthreshold micropulse laser subgroups, respectively. The mean number of treatment was 3.81 of intravitreal ranibizumab group and 1.5 of subthreshold micropulse laser group (p < 0.05). The subgroups were similar with regard to the mean score of best corrected visual acuity at baseline, at 1, 6, and 12 months (p > 0.05). The decrease in the mean central macular thickness was significant in both intravitreal ranibizumab and subthreshold micropulse laser groups at 1, 6, and 12 months than that of values at baseline (p < 0.05). No new ocular or systemic adverse events were observed. Conclusion: Our study results showed that intravitreal ranibizumab or yellow subthreshold micropulse laser treatment for macular edema due to branch retinal vein occlusion was not found to be superior to each other for reducing macular thickness and increasing visual acuity for 1-year period. Based on these results, subthreshold micropulse laser may be a useful alternative approach in the treatment of macular edema secondary to branch retinal vein occlusion.

scholarly journals Central retinal vein occlusion: A patient with systemic sclerosis

2016 ◽  
Vol 73 (9) ◽  
pp. 868-872
Author(s):  
Jelena Karadzic ◽  
Aleksandra Radosavljevic ◽  
Igor Kovacevic
Keyword(s):  
Visual Acuity ◽  
Systemic Sclerosis ◽  
Macular Edema ◽  
Retinal Vein Occlusion ◽  
Central Retinal Vein Occlusion ◽  
Case Reports ◽  
Immunosuppressive Treatment ◽  
Central Vein ◽  
Vein Occlusion ◽  
Central Retinal Vein

Introduction. Scleroderma (systemic sclerosis) is a severe chronic connective tissue disease, which results in involvement of numerous internal organs. Changes in the eye are the consequences of organ-specific manifestations of scleroderma or adverse effects of immunosuppressive treatment applied. Case report. We reported a 42-year-old woman with systemic sclerosis and acute deterioration of vision in the left eye, with visual acuity 0.9. After thorough clinical examination, including fluorescein angiography and optical coherence tomography, the diagnosis of nonischemic central retinal vein occlusion was made. Further biochemical, rheumatological and immunological investigation, apart from inactive systemic sclerosis, showed normal findings. Therefore, the cause of central retinal vein occlusion could only be attributed to the microvascular changes in systemic sclerosis. After three months, visual acuity deteriorated to 0.6 due to the development of cystoid macular edema. The patient received intravitreal injection of bevacizumab and after a single dose visual acuity improved to 0.9. After a 6- month follow-up, macular edema resolved and visual acuity stabilized. Conclusion. According to our knowledge and current data from the literature, central retinal vein occlusion is a rare vision threatening manifestation of scleroderma. There are only few published case reports on central vein occlusion in scleroderma patients. Examination of the ocular fundus is recommended for evaluation of vascular disease in patients with systemic sclerosis.

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