Stroke more likely in people with retinal disease
Recent research links an eye disease called retinal vein occlusion (RVO) to a high risk for stroke.
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Recent research links an eye disease called retinal vein occlusion (RVO) to a high risk for stroke.
Retinal vein occlusion is a retinal blood vessel disease in which a retinal vein is compressed by an adjacent retinal artery, resulting in blood flow turbulence, thrombus formation, and lack of blood supply to the retina. Although more common in adults, RVO can occur at any age. Having diabetes, high blood pressure or vascular disease makes development of RVO more likely.
Researchers in America compared the rates of heart attack and stroke in 4,500 people with RVO and 13,500 without the condition. Those with RVO had an almost twofold higher incidence of stroke than the age- and sex-matched controls with rates of 1.16 vs. 0.52 strokes per 100 person-years. No statistically significant differences in heart attack rates between the two groups were detected.
The findings suggest that people with RVO and their doctors should be aware of the possible increased likelihood of a stroke.
Retinal vein occlusion is a retinal blood vessel disease in which a retinal vein is compressed by an adjacent retinal artery, resulting in blood flow turbulence, thrombus formation, and lack of blood supply to the retina. Although more common in adults, RVO can occur at any age. Having diabetes, high blood pressure or vascular disease makes development of RVO more likely.
Researchers in America compared the rates of heart attack and stroke in 4,500 people with RVO and 13,500 without the condition. Those with RVO had an almost twofold higher incidence of stroke than the age- and sex-matched controls with rates of 1.16 vs. 0.52 strokes per 100 person-years. No statistically significant differences in heart attack rates between the two groups were detected.
The findings suggest that people with RVO and their doctors should be aware of the possible increased likelihood of a stroke.
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