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      Factor V G1691A is associated with an increased risk of retinal vein occlusion: a meta-analysis

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          Abstract

          We performed a meta-analysis to investigate the association between the Factor V G1691A polymorphism and the risk of retinal vein occlusion (RVO). This analysis included 37 studies involving 2,510 cases and 3,466 controls. Factor V G1691A was associated with an increased risk of RVO in the allele, heterozygote, dominant, and carrier models ( PA < 0.001, odds ratios >1), but not the homozygote or recessive models ( PA > 0.05). Similar results were observed in a meta-analysis of central retinal vein occlusion (CRVO) and when comparing Caucasian subgroups to population-based controls. These data demonstrate that the G/A genotype of Factor V G1691A is associated with an increased risk of RVO/CRVO in a Caucasian population.

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          Most cited references54

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          Associations of coagulation factor V Leiden and prothrombin G20210A mutations with Budd-Chiari syndrome and portal vein thrombosis: a systematic review and meta-analysis.

          We conducted a systematic review and meta-analysis to evaluate the associations of the coagulation factor V (encoded by F5) Leiden (FVL) or prothrombin (encoded by F2) G20210A mutation with Budd-Chiari syndrome or portal vein thrombosis (PVT).
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            New Developments in the Classification, Pathogenesis, Risk Factors, Natural History, and Treatment of Branch Retinal Vein Occlusion

            For years, branch retinal vein occlusion is still a controversial disease in many aspects. An increasing amount of data is available regarding classification, pathogenesis, risk factors, natural history, and therapy of branch retinal vein occlusion. Some of the conclusions may even change our impression of branch retinal vein occlusion. It will be beneficial for our doctors to get a deeper understanding of this disease and improve the treatment skills. The aims of this review is to collect the information above and report new ideas especially from the past a few years.
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              Cardiovascular risk factors and outcome in patients with retinal vein occlusion.

              The pathogenesis and treatment of retinal vein occlusions (RVO) are largely unclear. Prevalence of cardiovascular risk factors and of thrombophilic abnormalities was evaluated in 117 patients (61 M, 56 F; mean age 51 +/- 13 years) with a history of RVO (62 central, CRVO; 48 branch, BRVO; 7 both) and in 202 age- and sex-matched control subjects. Cardiovascular outcome after a mean 8.2 year follow-up was recorded for 90 patients. Arterial hypertension was significantly more frequent in patients than in controls (64.9 vs. 28.2%; adjusted OR 4.5 95% CI 2.4-7.9; P < 0.0001), as well diabetes mellitus (17.9 vs. 7.9%; P < 0.05). Antithrombin, Protein C, Protein S and homocysteine levels, lupus anticoagulant, anticardiolipin antibodies, FV G1691A and prothrombin G20210A polymorphisms were comparable in the two groups, nor were different according to RVO localization or to the age at event. BRVO patients were significantly older (55 +/- 9 vs. 47 +/- 15 years; P = 0.002) and had higher prevalence of diabetes, overweight and hypertension (29.2 vs. 8.1%; 83.3 vs. 58.1%, 79.2 vs. 56.5%; P always <0.05). In 58/90 (64%) patients for whom clinical follow-up was available, new vascular events were recorded (coronary/cerebral, n = 38); only 22 patients (24%) received long-term antiplatelet agents (mostly aspirin 100 mg/d), with lower, but not statistically significant, prevalence of overall vascular recurrence (45.4 vs. 70.6%, P = 0.06). High rate of vascular recurrence is shown in patients with previous RVO, in which conventional cardiovascular risk factors play a major role, especially in BRVO and in older patients.
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                Author and article information

                Journal
                Oncotarget
                Oncotarget
                Oncotarget
                ImpactJ
                Oncotarget
                Impact Journals LLC
                1949-2553
                26 September 2017
                4 September 2017
                : 8
                : 43
                : 75467-75477
                Affiliations
                1 The Second Department of Ophthalmology, Cangzhou Central Hospital, 061001, Cangzhou, PR China
                Author notes
                Correspondence to: Yuanyuan Zou, zouyuanyuanbird@ 123456sina.com
                Article
                20636
                10.18632/oncotarget.20636
                5650437
                0e81767a-6ec2-44b2-9d6a-b2482fd589fa
                Copyright: © 2017 Zou et al.

                This is an open-access article distributed under the terms of the Creative Commons Attribution License 3.0 (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 27 June 2017
                : 17 August 2017
                Categories
                Meta-Analysis

                Oncology & Radiotherapy
                factor v,retinal vein occlusion,polymorphism,meta-analysis
                Oncology & Radiotherapy
                factor v, retinal vein occlusion, polymorphism, meta-analysis

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