What question did this study set out to answer?

This research aims to examine the cardiovascular risks following acute retinal ischaemic events like CRAO and BRAO.

June 21, 2026Scientific ReportsOpen Access

Risk of cardiovascular events and death following retinal arterial occlusion and transient monocular visual loss

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Cohort study links retinal artery occlusions to increased cardiovascular risks, indicating the need for monitoring.

This research aims to examine the cardiovascular risks following acute retinal ischaemic events like CRAO and BRAO.
Conducted a propensity-matched cohort study involving 566 patients at an academic ophthalmic hospital in London.
Linked ophthalmic diagnoses with national records of cardiovascular events and mortality.
Analyzed the risk of cardiovascular events in patients with CRAO, BRAO, and TMVL compared to matched controls.
Patients with CRAO had a nearly threefold increased risk of ischemic stroke or myocardial infarction compared to controls (precise HR not stated).
6% of patients with CRAO were newly diagnosed with atrial fibrillation within one year.
Patients with BRAO were more likely to undergo carotid endarterectomy than those with CRAO.

Huemer et al. (2026) studied this question.

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