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Investigating retinal vasculopathy pre-COVID-19 as an independent risk factor predictive of sepsis in COVID-19

Description: There is a pressing need to develop predictors of COVID-19 outcomes for intensive care unit (ICU) patients to assist in patient stratification. The number of comorbidities is a predictor of mortality in COVID-19. Diabetes mellitus represents a high-risk group for severe COVID-19. Clinical retinopathy in at-risk groups represents a sentinel sign of blood-retina barrier breakdown in patients with the comorbidities associated with poor COVID-19 outcomes. In this study, we will address the question of whether diabetic patients with existing diabetic retinopathy have worse COVID-19 outcomes, and if so whether this is associated with the SARS-CoV-2 virus being able to reach tissues beyond the respiratory system, in this case the vitreous of the eye. This will shed light both into the mechanisms of disease and provide a path towards non-invasive risk assessment using retinal fundus imaging, which has already been demonstrated in ICU settings.
Funder: Diabetes UK
Amount: £85,130
Funding type: research
Funder scheme: COVID 19 Project (partnership with Fight for Sight)
Start date: 2020-11-01
End date: 2022-05-02
Investigators: Miguel Bernabeu, Miguel Bernabeu
Institution: University of Edinburgh
Funded outputs count: 22
Funder award ID: 20/0006221
OpenAlex ID: G6924019685
2025 · Fabian Yii, Niall Strang, et al. · British Journal of Ophthalmology · 3
2025 · Justin Engelmann, Miguel O. Bernabeu · Nature Communications · 25
2025 · Fabian Yii, Ian J. C. MacCormick, et al. · Investigative Ophthalmology & Visual Science · 4
2025 · Fabian Yii, Ian J. C. MacCormick, et al. · JAMA Ophthalmology · 7
2025 · David Hardman, Katharina Hennig, et al. · Journal of The Royal Society Interface
2025 · Jesse Phitidis, Alison Q. O’Neil, et al. · Computer Methods and Programs in Biomedicine · 2
2024 · Claire Tochel, Justin Engelmann, et al. · Acta Diabetologica · 1
2024 · Fabian Yii, Niall Strang, et al. · Ophthalmology Science · 10
2024 · Justin Engelmann, Diana Moukaddem, et al. · Investigative Ophthalmology & Visual Science · 7
2024 · Justin Engelmann, Jamie Burke, et al. · Investigative Ophthalmology & Visual Science · 14
2024 · Fabian Yii, Miguel O. Bernabeu, et al. · Investigative Ophthalmology & Visual Science · 23
2024 · Justin Engelmann, Stephanie Kearney, et al. · Translational Vision Science & Technology · 8
2024 · Claire Tochel, Emma Pead, et al. · BMC Medical Research Methodology · 3
2023 · Claire Tochel, Justin Engelmann, et al. · SSRN Electronic Journal
2022 · Isabel Boden, Miguel O. Bernabeu, et al. · Diabetes Research and Clinical Practice · 13
2021 · Ana Villaplana-Velasco, Justin Engelmann, et al. · medRxiv · 5
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