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Retinal vein occlusion may cause Dementia

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17 Aug 2020

Studies have associated Retinal vascular change with changes in the brains of patients with dementia; however, there is limited evidence regarding the relationship between retinal vein occlusion (RVO) and the risk of dementia. With this background, researchers investigated the association between RVO and subsequent risk of dementia using a cohort comprising the entire Korean population. The study design was a retrospective cohort type and was based on the data of participants ≥40 years who underwent health examinations between 2009 and 2010 provided by the South Korean National Health Insurance Service. The RVO group (n = 46,259) comprised patients who were initially diagnosed between 2006 and 2010; the comparison group (three per RVO patient; n = 138,777) was selected using propensity score matching according to age, sex, and systolic blood pressure From the results of the study, the authors observed that- Retinal vein occlusion (RVO) was associated with an increased risk of dementia. The coexistence of RVO with hypertension was associated with a higher risk of dementia. RVO may be a predictor of dementia. The authors concluded that the presence of RVO was significantly associated with increased risks of all three types of dementia both in hypertensive and non-hypertensive individuals.

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Dr. Keerthana Ramesh

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