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Rom J Ophthalmol ; 59(3): 172-6, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26978887

RESUMO

Retinal vein occlusion (RVO) is the second most common retinal vein disease with significant visual loss via thrombus or compression of vein wall. Thrombophilia is the predisposition to vascular thrombosis with the existence of genetic defect that leads to blood hypercoagulability. This report describes the case of a 55 year old male patient, with an active life who presented himself at the emergency room with acute visual lose, insidious and progressive visual field constriction, without any known history of neurological or vascular diseases. The examinations revealed unilateral optic nerve head edema, the fluorescein angiography was specific for nonischemic central retinal vein occlusion CRVO complicated with macular edema. Blood examinations has emphasized the presence of the heterozygous mutation A1298C in the methylenetetrahydrofolate reductase gene (MTHFR), the only one presented from the thrombophilia screen panel and a slightly elevated cholesterol level. During the follow-up period, the patient received anti-VEGF treatment (Bevacizumab, 3x 0.1 ml intravitreal injections) with improved visual acuity and amendment of macular edema. The complex etiology calls for interdisciplinary approach to determine better the cause of this ophthalmological disease. Although studies have found a correlation between some thrombophilia mutations and retinal vein occlusion, more studies that contain a larger number of patients are necessary in order to determine the final role of these gene variants.


Assuntos
Metilenotetra-Hidrofolato Redutase (NADPH2)/genética , Mutação , Oclusão da Veia Retiniana/diagnóstico , Oclusão da Veia Retiniana/genética , Trombofilia/genética , Inibidores da Angiogênese/administração & dosagem , Bevacizumab/administração & dosagem , Diagnóstico Diferencial , Angiofluoresceinografia/métodos , Marcadores Genéticos/genética , Genótipo , Heterozigoto , Humanos , Injeções Intravítreas , Isquemia/diagnóstico , Masculino , Pessoa de Meia-Idade , Oftalmoscopia/métodos , Oclusão da Veia Retiniana/tratamento farmacológico , Trombofilia/complicações , Resultado do Tratamento , Testes de Campo Visual/métodos
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