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ORIGINAL ARTICLE
Risk factor for retinal vein occlusion: A case control study
1
Department of Internal Medicine, Hedi Chaker Hospital, Sfax, TUNISIA
2
Department of Hematology, Habib Bourguiba Hospital, Sfax, TUNISIA
Publication date: 2024-05-06
Electron J Gen Med 2024;21(3):em583
KEYWORDS
ABSTRACT
Purposes:
Retinal vein occlusion (RVO) is a major cause of vision loss. Its pathogenesis is still not completely understood. Our aim was to describe patients with RVO, to precise risk factors responsible to retinal vasculopathy in our population and to assess the prevalence of thrombophilia disorders patients with RVO, compared to population-based group of age- and sex-matched controls.
Patients & methods:
Our study was retrospective conducted from 1 January 2013, until 30 June 2019, including 57 patients with RVO compared to 105 controls patient’s age- and sex-matched free of any visual disorders. Among 57 RVO cases, 26 were men and 31 were women.
Results:
The mean age was 45.0±14.7 years. Among systemic and ocular risk factors for RVO we found hypertension in 12 patients (31.6%), dyslipidemia in four patients (10.5%), diabetes in four patients (10.5%), and smoking in six patients (16.2%). Three patients (9.7%) had glaucoma and two patients (6.5%) had diabetic retinopathy. Ophthalmology examination found unilateral RVO in 52 patients (91.0%) and bilateral RVO in five patients (11.1%). Retinal angiography showed ischemic signs in seven patients (18.4%). Non-ischemic RVO was retained in 31 cases (81.6%). Macular edema was present in 12 patients (38.7%). Six cases (19.4%) developed neovascular glaucoma and two cases (6.5%) presented reversible blindness. Measures of thrombophilia practiced in 57 patients revealed 13 abnormalities (22.8%): Isolated thrombophilia disorder in 11 patients (71.4%) and combined prothrombotic disorder in two others.
Conclusions:
Among systemic and ocular risk factors for RVO, we found hypertension in 12 patients (31.6%). Thrombophilia disorders were also common.
Retinal vein occlusion (RVO) is a major cause of vision loss. Its pathogenesis is still not completely understood. Our aim was to describe patients with RVO, to precise risk factors responsible to retinal vasculopathy in our population and to assess the prevalence of thrombophilia disorders patients with RVO, compared to population-based group of age- and sex-matched controls.
Patients & methods:
Our study was retrospective conducted from 1 January 2013, until 30 June 2019, including 57 patients with RVO compared to 105 controls patient’s age- and sex-matched free of any visual disorders. Among 57 RVO cases, 26 were men and 31 were women.
Results:
The mean age was 45.0±14.7 years. Among systemic and ocular risk factors for RVO we found hypertension in 12 patients (31.6%), dyslipidemia in four patients (10.5%), diabetes in four patients (10.5%), and smoking in six patients (16.2%). Three patients (9.7%) had glaucoma and two patients (6.5%) had diabetic retinopathy. Ophthalmology examination found unilateral RVO in 52 patients (91.0%) and bilateral RVO in five patients (11.1%). Retinal angiography showed ischemic signs in seven patients (18.4%). Non-ischemic RVO was retained in 31 cases (81.6%). Macular edema was present in 12 patients (38.7%). Six cases (19.4%) developed neovascular glaucoma and two cases (6.5%) presented reversible blindness. Measures of thrombophilia practiced in 57 patients revealed 13 abnormalities (22.8%): Isolated thrombophilia disorder in 11 patients (71.4%) and combined prothrombotic disorder in two others.
Conclusions:
Among systemic and ocular risk factors for RVO, we found hypertension in 12 patients (31.6%). Thrombophilia disorders were also common.
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