Ocular immunology and inflammation · 2023
The Impact of Severe COVID-19 on Corneal Endothelial Cells-Analysis of the In Vivo Noncontact Specular Microscopy.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Bayram Nurettin, Ozsaygılı Cemal, Gundogan Medine, Unal Sefa, Bagci Fatma, Pangal Emine, Yuvacı I Sa
Аннотация
PURPOSE: This study aimed to investigate the effects of severe COVID-19 infection on the corneal endothelium via in vivo specular microscopy.
METHODS: This was an observational, prospective, and controlled study including 56 eyes of 56 severe COVID-19 patients, compared to after-recovery and 56 eyes of 56 age- and gender-matched healthy controls.
RESULTS: Endothelial cell density was lower in the active disease period compared to healthy controls (p = .001) and decreased even more after recovery (p < .0001). After recovery, the average cell area and coefficient of variation were higher compared to the active disease period (p < .0001 and p = .008, respectively) and the healthy controls (for both, p < .0001), whereas hexagonality was lower (p < .0001). Central corneal thickness increased in the active disease period compared to after recovery (p < .0001) and healthy controls (p = .002).
CONCLUSIONS: These results may be due to direct host-virus interaction or linked to immune dysregulation, subclinical corneal endotheliitis, or still yet a viral-mediated inflammation.
METHODS: This was an observational, prospective, and controlled study including 56 eyes of 56 severe COVID-19 patients, compared to after-recovery and 56 eyes of 56 age- and gender-matched healthy controls.
RESULTS: Endothelial cell density was lower in the active disease period compared to healthy controls (p = .001) and decreased even more after recovery (p < .0001). After recovery, the average cell area and coefficient of variation were higher compared to the active disease period (p < .0001 and p = .008, respectively) and the healthy controls (for both, p < .0001), whereas hexagonality was lower (p < .0001). Central corneal thickness increased in the active disease period compared to after recovery (p < .0001) and healthy controls (p = .002).
CONCLUSIONS: These results may be due to direct host-virus interaction or linked to immune dysregulation, subclinical corneal endotheliitis, or still yet a viral-mediated inflammation.