KNOWN RISK FACTORS FOR RETINAL VEIN OCCLUSION: ITS DISTRIBUTION AMONG OUR COMMUNITY - IUMSHS (1999-2000)
Abstract
Introduction. Retinal vein occlusion (RVO) may lead to visual loss or even to blindness. RVO may accompany with most of systemic disease as well as some eye diseases. Since no effective treatment is known to restore the full vision in none of the cases, it is necessary to determine and identify the precipitating factors and to treat them in order to prevent the involvement of another eye.
Methods. Among 2500 patients with chief complaint of visual loss 62 patients had retinal vessel occlusion, 59 patients (95 percent) had RVO and 3 patients (5 percent) had retinal artery occlusion (RAO). 3 patients with CRVO who didn"t fallow up were excluded the study. The necessary medical examinations were done in internal medicine clinic after primary examination in ophtalmology clinic and raw data were recorded in special form for each patient.
Results. From 56 patients with RVO, 55.36 percent (31 subjects) were female and 44.64 percent (25 subjects) were male. 76.79 percent of patients (43 subjects) were 50 years or more and 66.1 percent (37 subjects) suffered from hypertension, 35.7 percent ( 20 subjects) had hypercholestrolemia ; and 21.4 percent (12 patients) had diabetes mellitus. 23.2 percent of patients (13 subjects) were previously smokers, 14.28 percent (8 subjects) were current smokers and the rest had quitted smoking. Totally, 37.5 percent of patients) were menopausal women. In 57.14 percent of the patients body mass index BMI) were higher than 24.9 Kg/m2.In 80.4 percent and 44.6 percent of the patients serum a2- globulin and ? globulion was higher than normal, respectively.
Discussion. The data showed that most of the patients with RVO were more than 50 years old. Associated systemic risk factors in this study are listed bellow from the most to the least frequency order: hypertension, high 8MI, LDL hypercholestrolemia, diabetes mellitus and smoking.
Methods. Among 2500 patients with chief complaint of visual loss 62 patients had retinal vessel occlusion, 59 patients (95 percent) had RVO and 3 patients (5 percent) had retinal artery occlusion (RAO). 3 patients with CRVO who didn"t fallow up were excluded the study. The necessary medical examinations were done in internal medicine clinic after primary examination in ophtalmology clinic and raw data were recorded in special form for each patient.
Results. From 56 patients with RVO, 55.36 percent (31 subjects) were female and 44.64 percent (25 subjects) were male. 76.79 percent of patients (43 subjects) were 50 years or more and 66.1 percent (37 subjects) suffered from hypertension, 35.7 percent ( 20 subjects) had hypercholestrolemia ; and 21.4 percent (12 patients) had diabetes mellitus. 23.2 percent of patients (13 subjects) were previously smokers, 14.28 percent (8 subjects) were current smokers and the rest had quitted smoking. Totally, 37.5 percent of patients) were menopausal women. In 57.14 percent of the patients body mass index BMI) were higher than 24.9 Kg/m2.In 80.4 percent and 44.6 percent of the patients serum a2- globulin and ? globulion was higher than normal, respectively.
Discussion. The data showed that most of the patients with RVO were more than 50 years old. Associated systemic risk factors in this study are listed bellow from the most to the least frequency order: hypertension, high 8MI, LDL hypercholestrolemia, diabetes mellitus and smoking.
Keywords
Retinal Venous Occlusion, Risk Factor, Isfahan, Diabetes